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  <doc>
    <id>53842</id>
    <completedYear/>
    <publishedYear>2021</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>10</pageFirst>
    <pageLast>113785</pageLast>
    <pageNumber>1</pageNumber>
    <edition/>
    <issue/>
    <volume>239</volume>
    <type>article</type>
    <publisherName>Elsevier Ltd.</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Multi-length scale characterization of compression on metal foam flow-field based fuel cells using X-ray computed tomography and neutron radiography</title>
    <abstract language="eng">The mechanical compression of metal foam flow-field based polymer electrolyte fuel cells (PEFCs) is critical in determining the interfacial contact resistance with gas diffusion layers (GDLs), reactant flow and water management.&#13;
The distinct scale between the pore structure of metal foams and the entire flow-field warrant a multilength scale characterization that combines ex-situ tests of compressed metal foam samples and in-operando analysis of operating PEFCs using X-ray computed tomography (CT) and neutron radiography. An optimal ‘medium’ compression was found to deliver a peak power density of 853 mW/cm². The X-ray CT data indicates that the compression process significantly decreases the mean pore size and narrows the pore size distribution of metal foams. Simulation results suggest compressing metal foam increases the pressure drop and gas velocity, improving the convective liquid water removal. This is in agreement with the neutron imaging results that demonstrates an increase in the mass of accumulated liquid water with minimum compression compared to the medium and maximum compression cases. The results show that a balance between Ohmic resistance, water removal capacity and parasitic power is imperative for the optimal performance of metal foam based PEFCs.</abstract>
    <parentTitle language="eng">Energy Conversion and Management</parentTitle>
    <identifier type="doi">10.1016/j.enconman.2020.113785</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="date_peer_review">29.11.2021</enrichment>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">true</enrichment>
    <author>Y. Wu</author>
    <author>X. Lu</author>
    <author>J.I.S. Cho</author>
    <author>L. Rasha</author>
    <author>M. Whiteley</author>
    <author>T. P. Neville</author>
    <author>R. Ziesche</author>
    <author>N. Kardjilov</author>
    <author>Henning Markötter</author>
    <author>I. Manke</author>
    <author>X. Zhang</author>
    <author>P. R. Shearing</author>
    <author>D. J. L. Brett</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Fuel cell</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Compression effect</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Metal foam microstructure</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Neutron radiography</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>X-ray CT</value>
    </subject>
    <collection role="ddc" number="621">Angewandte Physik</collection>
    <collection role="institutes" number="">8 Zerstörungsfreie Prüfung</collection>
    <collection role="institutes" number="">8.5 Röntgenbildgebung</collection>
    <collection role="themenfelder" number="">Energie</collection>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
    <collection role="themenfelder" number="">Wasserstoff</collection>
  </doc>
  <doc>
    <id>59666</id>
    <completedYear/>
    <publishedYear>2024</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>2007</pageFirst>
    <pageLast>2017</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>17</volume>
    <type>article</type>
    <publisherName>Royal Society of Chemistry (RSC)</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">A nature-inspired solution for water management in flow fields for electrochemical devices</title>
    <abstract language="eng">A systematic, nature-inspired chemical engineering approach is employed to solve the issue of flooding in electrochemical devices. The mechanism of passive water transport utilized by lizards living in arid environments is leveraged to design flow-fields with a microchannel structure on their surface, through which capillary pressure rapidly removes the water generated in the electrochemical device. This water management strategy is implemented in proton exchange membrane fuel cells (PEMFCs) with a lunginspired flow-field, which ensures uniform distribution of reactants across the catalyst layer. Jointly, this nature-inspired approach results in flood-free, stable operation at 100% RH and a B60% increase in current (B1.9 A cm-2) and peak power density (B650 mW cm−2) compared to current PEMFCs with a flood-prone, serpentine flow-field (B0.8 A cm-2 and 280 mW cm-2, respectively). This significant advance allows for PEMFC operation at fully humidified conditions.</abstract>
    <parentTitle language="eng">Energy &amp; Environmental Science</parentTitle>
    <identifier type="doi">10.1039/d3ee03666a</identifier>
    <identifier type="urn">urn:nbn:de:kobv:b43-596662</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">true</enrichment>
    <licence>Creative Commons - CC BY - Namensnennung 4.0 International</licence>
    <author>P. Trogadas</author>
    <author>J. I. S. Cho</author>
    <author>L. Rasha</author>
    <author>X. Lu</author>
    <author>N. Kardjilov</author>
    <author>Henning Markötter</author>
    <author>I. Manke</author>
    <author>P. R. Shearing</author>
    <author>D. J. L. Brett</author>
    <author>M. O. Coppens</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Neutron imaging</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>X-ray tomography</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Fuel cell</value>
    </subject>
    <collection role="ddc" number="621">Angewandte Physik</collection>
    <collection role="institutes" number="">8 Zerstörungsfreie Prüfung</collection>
    <collection role="institutes" number="">8.5 Röntgenbildgebung</collection>
    <collection role="themenfelder" number="">Energie</collection>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Datei für die Öffentlichkeit verfügbar ("Open Access")</collection>
    <collection role="unnumberedseries" number="">Wissenschaftliche Artikel der BAM</collection>
    <collection role="themenfelder" number="">Wasserstoff</collection>
    <thesisPublisher>Bundesanstalt für Materialforschung und -prüfung (BAM)</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-bam/files/59666/2024_Trogadas_nature_inspired_flow_fields.pdf</file>
  </doc>
  <doc>
    <id>31084</id>
    <completedYear/>
    <publishedYear>2014</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>640</pageFirst>
    <pageLast>644</pageLast>
    <pageNumber/>
    <edition/>
    <issue>7</issue>
    <volume>105</volume>
    <type>article</type>
    <publisherName>Carl Hanser</publisherName>
    <publisherPlace>München</publisherPlace>
    <creatingCorporation>Deutsche Gesellschaft für Materialkunde</creatingCorporation>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Imaging of hydrogen in steels using neutrons</title>
    <abstract language="eng">We investigated the hydrogen distribution spatially and temporally in technical iron at room temperature. Samples were charged electrochemically and subsequently analysed by means of neutron radiography and tomography. The radiographic images allowed for a time-resolved analysis of hydrogen fluxes. The three-dimensional distribution of hydrogen measured by neutron tomography delivered valuable information for the damage analysis of hydrogen-induced cracks. For the first time hydrogen concentration gradients inside the material could be detect directly together with the cracks. The neutron radiography and tomography results were gained at the Research Reactor BER II of the HZB in Berlin.</abstract>
    <parentTitle language="eng">International journal of materials research</parentTitle>
    <identifier type="old">34076</identifier>
    <identifier type="doi">10.3139/146.111043</identifier>
    <identifier type="issn">1862-5282</identifier>
    <enrichment key="date_peer_review">17.07.2014</enrichment>
    <author>Axel Griesche</author>
    <author>Eitan Dabah</author>
    <author>N. Kardjilov</author>
    <author>A. Hilger</author>
    <author>I. Manke</author>
    <author>Thomas Kannengießer</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Hydrogen embrittlement</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Hydrogen diffusion</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Neutron tomography</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Blister</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
  </doc>
  <doc>
    <id>38574</id>
    <completedYear/>
    <publishedYear>2017</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>3490</pageFirst>
    <pageLast>3496</pageLast>
    <pageNumber/>
    <edition/>
    <issue>6</issue>
    <volume>52</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Time-resolved Bragg-edge neutron radiography for observing martensitic phase transformation from austenitized super martensitic steel</title>
    <abstract language="eng">Neutron Bragg-edge imaging was applied for the visualization of a γ-Austenite to α'-martensite phase transformation. In the present study, a super martensitic&#13;
stainless steel sample was heated until complete austenitization and was subsequently cooled down to room temperature. The martensitic phase Transformation started at Ms = 190 °C. Using a monochromatic neutron beam with λ = 0.390 nm, the transmitted intensity was significantly reduced during cooling below Ms, since the emerging martensitic phase has a higher attenuation coefficient than the austenitic phase at this wavelength. The phase Transformation process was visualized by filming the transmission images from a scintillator screen with a CCD camera with a temporal resolution of 30 s and a spatial&#13;
resolution of 100 µm.</abstract>
    <parentTitle language="eng">Journal of Materials Science</parentTitle>
    <identifier type="doi">10.1007/s10853-016-0642-9</identifier>
    <identifier type="issn">0022-2461</identifier>
    <identifier type="issn">1573-4803</identifier>
    <enrichment key="date_peer_review">13.01.2017</enrichment>
    <author>Eitan Dabah</author>
    <author>Beate Pfretzschner</author>
    <author>Thomas Schaupp</author>
    <author>N. Kardjilov</author>
    <author>I. Manke</author>
    <author>M. Boin</author>
    <author>R. Woracek</author>
    <author>Axel Griesche</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Neutron imaging</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Bragg-edge imaging</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Phase transformation</value>
    </subject>
    <collection role="ddc" number="620">Ingenieurwissenschaften und zugeordnete Tätigkeiten</collection>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
  </doc>
  <doc>
    <id>37323</id>
    <completedYear/>
    <publishedYear>2015</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>60</pageFirst>
    <pageLast>66</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>69</volume>
    <type>conferenceobject</type>
    <publisherName>Elsevier B.V.</publisherName>
    <publisherPlace>Amsterdam, NL</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Imaging with Cold Neutrons at the CONRAD-2 Facility</title>
    <abstract language="eng">CONRAD-2 is an imaging instrument using low-energy (cold) neutrons. The instrument is installed at the end of a curved neutron guide which avoids the direct line of sight towards the reactor core. This ensures a very low background of high-energy neutrons and. photons at the sample position. The cold neutron beam provides a wavelength range which is suitable for phase-and diffraction-contrast imaging such as grating interferometry and Bragg edge mapping. The instrument is well suited for high resolution imaging due to the high efficiency of the very thin scintillators that can be used for the detection of cold neutrons. An instrument upgrade was performed recently as a part of an upgrade program for the cold neutron instrumentation at HZB. The parameters of the instrument as well as some research highlights will be presented.</abstract>
    <parentTitle language="eng">Physics Procedia</parentTitle>
    <identifier type="doi">10.1016/j.phpro.2015.07.008</identifier>
    <identifier type="issn">1875-3892</identifier>
    <identifier type="urn">urn:nbn:de:kobv:b43-373239</identifier>
    <enrichment key="eventName">10th World Conference on Neutron Radiography (WCNR)</enrichment>
    <enrichment key="eventPlace">Grindelwald, SWITZERLAND</enrichment>
    <enrichment key="eventStart">05.10.2014</enrichment>
    <enrichment key="eventEnd">10.10.2014</enrichment>
    <enrichment key="date_peer_review">13.09.2016</enrichment>
    <licence>Creative Commons - Namensnennung - Nicht kommerziell - Keine Bearbeitung 3.0</licence>
    <author>N. Kardjilov</author>
    <author>A. Hilger</author>
    <author>I. Manke</author>
    <author>J. Banhart</author>
    <author>Axel Griesche</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>iron embrittlement</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>neutron imaging</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>neutron instrumentation</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>cold neutrons</value>
    </subject>
    <collection role="ddc" number="543">Analytische Chemie</collection>
    <collection role="ddc" number="620">Ingenieurwissenschaften und zugeordnete Tätigkeiten</collection>
    <collection role="ddc" number="621">Angewandte Physik</collection>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Datei für die Öffentlichkeit verfügbar ("Open Access")</collection>
    <collection role="unnumberedseries" number="">Wissenschaftliche Artikel der BAM</collection>
    <thesisPublisher>Bundesanstalt für Materialforschung und -prüfung (BAM)</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-bam/files/37323/Kardjilov_Imaging with Cold Neutrons at the CONRAD-2 Facility.pdf</file>
  </doc>
  <doc>
    <id>22730</id>
    <completedYear/>
    <publishedYear>2010</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>26</pageFirst>
    <pageLast>34</pageLast>
    <pageNumber/>
    <edition/>
    <issue>1</issue>
    <volume>10</volume>
    <type>article</type>
    <publisherName>Wiley-VCH</publisherName>
    <publisherPlace>Weinheim</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">In situ synchrotron X-ray radiography investigations of water transport in PEM fuel cells</title>
    <abstract language="eng">Water transport in an operating PEM fuel cell was investigated with synchrotron X-ray radiography with a spatial resolution of 3 µm and a temporal resolution of 5 s. This method allows for the detection of water accumulations with less than 10 µm diameter. We demonstrate that synchrotron X-ray imaging can dramatically expand the possibilities of imaging with high spatial and time resolution, especially as a complement to neutron radiography. Water transport processes from the first appearance of small water accumulations in the gas diffusion layer to their transport into the channel system were analysed in situ. Correlations between local effects such as water formation and operating conditions of the whole system, e.g. power variations, were found. A recently described eruptive water transport mechanism is analysed in detail.</abstract>
    <parentTitle language="eng">Fuel Cells</parentTitle>
    <identifier type="old">25280</identifier>
    <identifier type="doi">10.1002/fuce.200800123</identifier>
    <identifier type="issn">1615-6846</identifier>
    <identifier type="issn">1615-6854</identifier>
    <enrichment key="bibliotheksstandort">Sonderstandort: Publica-Schrank</enrichment>
    <enrichment key="date_peer_review">13.12.2010</enrichment>
    <author>I. Manke</author>
    <author>C. Hartnig</author>
    <author>N. Kardjilov</author>
    <author>Heinrich Riesemeier</author>
    <author>Jürgen Goebbels</author>
    <author>R. Kuhn</author>
    <author>P. Krüger</author>
    <author>J. Banhart</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Fuel cell</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Gas diffusion layer</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Imaging</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Synchrotron</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>X-ray radiography</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Two-phase flow</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Water transport</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")</collection>
  </doc>
  <doc>
    <id>29506</id>
    <completedYear/>
    <publishedYear>2013</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>945</pageFirst>
    <pageLast>950</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>Curran</publisherName>
    <publisherPlace>Red Hook, NY</publisherPlace>
    <creatingCorporation>American Ceramic Society</creatingCorporation>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Neutron imaging of hydrogen in steels</title>
    <abstract language="eng">Transmission images with neutrons show a high contrast between hydrogen and iron when using state-of-the-art scintillator materials and digital Cameras. Monitoring the 2D hydrogen distribution evolution with good temporal resolution is possible if a high flux of neutrons is provided. The mass transport of hydrogen can be quantified by Converting the intensity distribution of the images in a hydrogen concentration distribution by using Standards with known composition and similar thickness. Then neutron radiography can be used quantitatively as a non-destructive measurement technique to determine diffusion coefficients e.g. for hydrogen in Steel.&#13;
We report about measurements at Research Reactors in Germany. The capabilities and limitations, s well as perspectives of this method will be discussed and illustrated with selected examples.</abstract>
    <parentTitle language="eng">Materials Science &amp; Technology (MS&amp;T) 2013 (Proceedings)</parentTitle>
    <identifier type="old">32432</identifier>
    <enrichment key="eventName">Materials Science &amp; Technology (MS&amp;T) 2013</enrichment>
    <enrichment key="eventPlace">Montreal, Quebec, Canada</enrichment>
    <enrichment key="eventStart">27.10.2013</enrichment>
    <enrichment key="eventEnd">31.10.2013</enrichment>
    <enrichment key="date_peer_review">14.11.2013</enrichment>
    <author>Axel Griesche</author>
    <author>Eitan Dabah</author>
    <author>A. Hilger</author>
    <author>N. Kardjilov</author>
    <author>I. Manke</author>
    <author>Thomas Kannengießer</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Neutron radiography</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Hydrogen</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Diffusion</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Steel</value>
    </subject>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
    <collection role="literaturgattung" number="">Graue Literatur</collection>
  </doc>
  <doc>
    <id>31068</id>
    <completedYear/>
    <publishedYear>2014</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>14</pageFirst>
    <pageLast>22</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>78</volume>
    <type>article</type>
    <publisherName>Elsevier Science</publisherName>
    <publisherPlace>Kidlington</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Three-dimensional imaging of hydrogen blister in iron with neutron tomography</title>
    <abstract language="eng">We investigated hydrogen embrittlement and blistering in electrochemically hydrogen-charged technical iron samples at room temperature. Hydrogen-stimulated cracks and blisters and the corresponding hydrogen distributions were observed by neutron tomography. Cold neutrons were provided by the research reactor BER II to picture the sample with a spatial resolution in the reconstructed three-dimensional model of ~25 µm. We made the unique observation that cracks were filled with molecular hydrogen and that cracks were surrounded by a 50 µm wide zone with a high hydrogen concentration. The zone contains up to ten times more hydrogen than the bulk material. The hydrogen enriched zone can be ascribed to a region of increased local defect density. Hydrogen also accumulated at the sample surface having the highest concentration at blistered areas. The surfaces of the brittle fractured cracks showed micropores visualized by scanning electron microscopy. The micropores were located at grain boundaries and were surrounded by stress fields detected by electron backscattered diffraction. The cracks clearly originated from the micropores.</abstract>
    <parentTitle language="eng">Acta materialia</parentTitle>
    <identifier type="old">34060</identifier>
    <identifier type="doi">10.1016/j.actamat.2014.06.034</identifier>
    <identifier type="issn">1359-6454</identifier>
    <identifier type="issn">1873-2453</identifier>
    <enrichment key="date_peer_review">17.07.2014</enrichment>
    <author>Axel Griesche</author>
    <author>Eitan Dabah</author>
    <author>Thomas Kannengießer</author>
    <author>N. Kardjilov</author>
    <author>A. Hilger</author>
    <author>I. Manke</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Hydrogen embrittlement</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Hydrogen diffusion</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>In situ</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Neutron tomography</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Iron</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
  </doc>
  <doc>
    <id>46936</id>
    <completedYear/>
    <publishedYear>2018</publishedYear>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst>1209</pageFirst>
    <pageLast>1214</pageLast>
    <pageNumber/>
    <edition/>
    <issue>12</issue>
    <volume>60</volume>
    <type>article</type>
    <publisherName>Carl Hanser Verlag</publisherName>
    <publisherPlace>München</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Neutronen-Laminografie am Beispiel eines historischen Artefakts</title>
    <title language="eng">Neutron computed laminography on an ancient metal artifact</title>
    <abstract language="deu">Die Computer-gestützte Laminografie (CL) wurde als komplementäre Methode zur Computertomografie für die dreidimensionale Bildgebung von lateral ausgedehnten Objekten entwickelt. Ursprünglich für medizinische Zwecke verwendet, wurde diese Methode kürzlich als zerstörungsfreie nicht-invasive Methode nicht nur in der Materialforschung, sondern auch mit steigendem Interesse für kunsthandwerkliche und historische Objekte eingesetzt. Hier wird die Computer-gestützten Laminografie mit polychromatischer Neutronenstrahlung an einer historischen Tsuba eingesetzt, einem Stichblatt eines japanischen Schwerts. Eine Analyse der Lötstellen gibt Rückschlüsse auf das Herstellungsverfahren. Zudem wurden unterschiedliche Materialsysteme gefunden, vermutlich um dem Tsuba lokal eine höhere Stabilität zu verleihen. Die Messungen wurden an der Imaging-Beamline CONRAD-2 an der Neutronenquelle BER 2 des Helmholtz-Zentrums Berlins (HZB) durchgeführt.</abstract>
    <parentTitle language="deu">Materials Testing</parentTitle>
    <identifier type="doi">10.3139/120.111261</identifier>
    <identifier type="issn">0025-5300</identifier>
    <enrichment key="date_peer_review">20.12.2018</enrichment>
    <author>T. Arlt</author>
    <author>N. Kardjilov</author>
    <author>Andreas Kupsch</author>
    <author>I. Manke</author>
    <author>F. Salvemini</author>
    <author>F. Grazzi</author>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Neutronenlaminographie</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Computertomographie</value>
    </subject>
    <collection role="ddc" number="543">Analytische Chemie</collection>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
  </doc>
  <doc>
    <id>23589</id>
    <completedYear/>
    <publishedYear>2011</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>5293</pageFirst>
    <pageLast>5298</pageLast>
    <pageNumber/>
    <edition/>
    <issue>12</issue>
    <volume>196</volume>
    <type>article</type>
    <publisherName>Elsevier</publisherName>
    <publisherPlace>Amsterdam [u.a.]</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Reconstruction of limited computed tomography data of fuel cell components using direct iterative reconstruction of computed tomography trajectories</title>
    <abstract language="eng">CT (computed tomography) reconstructions of fuel cell components of a yet unrivaled spatial resolution and quality are presented. This is achieved by application of the novel DIRECTT (Direct Iterative Reconstruction of Computed Tomography Trajectories) algorithm. We focus on two different key issues which essentially rule the fuel cell's durability on different length scales and physical interactions. On the resolution scale of some 100 µm agglomerations of condensed water in flow-field channels are detected by means of quasi-in situ neutron CT (after operation). Five orders of magnitude below nanometer sized Ru catalyst particles on carbon black support are visualized by electron tomography. Both types of experiments are especially adapted to the type of material involved but they are accompanied by severe deviations from ideal CT measuring conditions, as well. In order to overcome the tremendous reconstruction artifacts of standard algorithms, we employ DIRECTT which is described in detail. Comparisons of DIRECTT reconstructions to the conventional filtered back projection, prove the significant improvements in both experimental methods.</abstract>
    <parentTitle language="eng">Journal of power sources</parentTitle>
    <identifier type="old">26170</identifier>
    <identifier type="doi">10.1016/j.jpowsour.2010.10.106</identifier>
    <identifier type="issn">0378-7753</identifier>
    <enrichment key="date_peer_review">05.05.2011</enrichment>
    <author>Axel Lange</author>
    <author>Andreas Kupsch</author>
    <author>Manfred P. Hentschel</author>
    <author>I. Manke</author>
    <author>N. Kardjilov</author>
    <author>Tobias Arlt</author>
    <author>R. Grothausmann</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>PEM fuel cell</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Neutron computed tomography</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Electron tomography</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Reconstruction algrorithm</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Water management</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Catalyst</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
  </doc>
  <doc>
    <id>22609</id>
    <completedYear/>
    <publishedYear>2010</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>6</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>article</type>
    <publisherName>Nature Publishing Group</publisherName>
    <publisherPlace>London, UK</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Three-dimensional imaging of magnetic domains</title>
    <abstract language="eng">Magnetic domains have been the subject of much scientific investigation since their theoretical existence was first postulated by P.-E. Weiss over a century ago. Up to now, the three-dimensional (3D) domain structure of bulk magnets has never been observed owing to the lack of appropriate experimental methods. Domain analysis in bulk matter thus remains one of the most challenging tasks in research on magnetic materials. All current domain observation methods are limited to studying surface domains or thin magnetic films. As the properties of magnetic materials are strongly affected by their domain structure, the development of a technique capable of investigating the shape, size and distribution of individual domains in three dimensions is of great importance. Here, we show that the novel technique of Talbot-Lau neutron tomography with inverted geometry enables direct imaging of the 3D network of magnetic domains within the bulk of FeSi crystals.</abstract>
    <parentTitle language="eng">Nature communications</parentTitle>
    <identifier type="old">25152</identifier>
    <identifier type="doi">10.1038/ncomms1125</identifier>
    <identifier type="issn">2041-1723</identifier>
    <enrichment key="bibliotheksstandort">Sonderstandort: Publica-Schrank</enrichment>
    <enrichment key="date_peer_review">02.12.2010</enrichment>
    <author>I. Manke</author>
    <author>N. Kardjilov</author>
    <author>R. Schäfer</author>
    <author>A. Hilger</author>
    <author>M. Strobl</author>
    <author>M. Dawson</author>
    <author>C. Grünzweig</author>
    <author>G. Behr</author>
    <author>Manfred P. Hentschel</author>
    <author>C. David</author>
    <author>Andreas Kupsch</author>
    <author>Axel Lange</author>
    <author>J. Banhart</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Computed tomography</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Reconstruction algorithm</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Talbot-Lau neutron tomography</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Magnetic domains</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")</collection>
  </doc>
</export-example>
