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  <doc>
    <id>1538</id>
    <completedYear/>
    <publishedYear>2014</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>433</pageFirst>
    <pageLast>440</pageLast>
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    <edition/>
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    <title language="eng">The Effects of Severe Temperature Changes and High Humidity on Porous CFRP</title>
    <abstract language="eng">Purpose: &#13;
A route to manufacture porous carbon fiber reinforced plastic (CFRP)  for study purposes is described.&#13;
Design/methodology/approach: &#13;
The porous CFRP is characterized using standard techniques such as matrix digestion as well as the more sophisticated method of high resolution Microfocus X-Ray Tomography (μCT). A comparison of the results of those methods is presented. The mass gains of specimens with a wide range of porosity have been measured both in constant humidity and in alternating environments.&#13;
Findings: &#13;
It could be shown that severe temperature changes can temporarily increase the moisture content of porous CFRP. However, after the return to a constant environment, the moisture content returns back to saturation levels. Furthermore,  it could be shown by  X-Ray Tomography that even under severe climatic conditions  no permanent liquid water condensates inside the pores.&#13;
Research limitations/implications: &#13;
Using Microfocus Computed Tomography it could be shown that even after nearly a year under hot-wet conditions and more than 150 severe temperature cycles there is no liquid water detectable inside the pores.&#13;
Originality/value: &#13;
In this paper the effects of severe temperature changes and high humidity on porous CFRP.</abstract>
    <parentTitle language="eng">Proceedings of the 15th International Materials Symposium (IMSP´2014), Pamukkale University (Denizli, Turkey), 15./17. October 2014</parentTitle>
    <identifier type="url">http://jamme.acmsse.h2.pl/vol67_1/6712.pdf</identifier>
    <author>Heinrich Dinnebier</author>
    <author>Ingo Ehrlich</author>
    <collection role="ddc" number="620">Ingenieurwissenschaften und zugeordnete Tätigkeiten</collection>
    <collection role="institutes" number="FAKMB">Fakultät Maschinenbau</collection>
    <collection role="institutes" number="TCNeustadt">Technologie-Campus Neustadt an der Donau</collection>
    <collection role="persons" number="ehrlichlft">Ehrlich, Ingo (Prof. Dr.) - Labor Faserverbundtechnik</collection>
    <collection role="persons" number="tcnehno">Technologie-Campus Neustadt a. d. Donau (Prof. Ehrlich+ Prof. Nonn)</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Labor Faserverbundtechnik (LFT)</collection>
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  <doc>
    <id>1540</id>
    <completedYear/>
    <publishedYear>2014</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>441</pageFirst>
    <pageLast>450</pageLast>
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    <title language="eng">Comparison of Impact Delaminations in CFRP Using Ultrasonic Testing, Microfocus Computed X-Ray Tomography and Micrographic Cross-Section</title>
    <parentTitle language="eng">Proceeding of the 15th International Materials Symposium (IMSP´2014), Pamukkale University (Denizli, Turkey), 15./17. October 2014</parentTitle>
    <author>Ingo Ehrlich</author>
    <author>Heinrich Dinnebier</author>
    <author>C. Jost</author>
    <collection role="ddc" number="620">Ingenieurwissenschaften und zugeordnete Tätigkeiten</collection>
    <collection role="institutes" number="FAKMB">Fakultät Maschinenbau</collection>
    <collection role="institutes" number="TCNeustadt">Technologie-Campus Neustadt an der Donau</collection>
    <collection role="persons" number="ehrlichlft">Ehrlich, Ingo (Prof. Dr.) - Labor Faserverbundtechnik</collection>
    <collection role="persons" number="tcnehno">Technologie-Campus Neustadt a. d. Donau (Prof. Ehrlich+ Prof. Nonn)</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Labor Faserverbundtechnik (LFT)</collection>
  </doc>
  <doc>
    <id>1504</id>
    <completedYear/>
    <publishedYear>2014</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>14</pageFirst>
    <pageLast>20</pageLast>
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    <edition/>
    <issue>1</issue>
    <volume>67</volume>
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    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
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    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">The effects of severe temperature changes and high humidity on porous CFRP</title>
    <abstract language="eng">Purpose: A route to manufacture porous carbon fiber reinforced plastic (CFRP) for study purposes is described. Design/methodology/approach: The porous CFRP is characterized using standard techniques such as matrix digestion as well as the more sophisticated method of high resolution Microfocus X-Ray Tomography (μCT). A comparison of the results of those methods is presented. The mass gains of specimens with a wide range of porosity have been measured both in constant humidity and in alternating environments. Findings: It could be shown that severe temperature changes can temporarily increase the moisture content of porous CFRP. However, after the return to a constant environment, the moisture content returns back to saturation levels. Furthermore, it could be shown by X-Ray Tomography that even under severe climatic conditions no permanent liquid water condensates inside the pores. Research limitations/implications: Using Microfocus Computed Tomography it could be shown that even after nearly a year under hot-wet conditions and more than 150 severe temperature cycles there is no liquid water detectable inside the pores. Originality/value: In this paper the effects of severe temperature changes and high humidity on porous CFRP.</abstract>
    <parentTitle language="eng">Journal of Achievements in Materials and Manufacturing Engineering (JAMME)</parentTitle>
    <author>Heinrich Dinnebier</author>
    <author>Ingo Ehrlich</author>
    <collection role="ddc" number="620">Ingenieurwissenschaften und zugeordnete Tätigkeiten</collection>
    <collection role="institutes" number="FAKMB">Fakultät Maschinenbau</collection>
    <collection role="institutes" number="TCNeustadt">Technologie-Campus Neustadt an der Donau</collection>
    <collection role="persons" number="ehrlichlft">Ehrlich, Ingo (Prof. Dr.) - Labor Faserverbundtechnik</collection>
    <collection role="persons" number="tcnehno">Technologie-Campus Neustadt a. d. Donau (Prof. Ehrlich+ Prof. Nonn)</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Labor Faserverbundtechnik (LFT)</collection>
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