TY - CHAP A1 - Hartmann, Jürgen A1 - Manara, Jochen A1 - Zipf, Matthias A1 - Stark, Thomas A1 - Knopp, Kevin A1 - Zänglein, Marc A1 - Schreiber, Ekkehard A1 - Schmidt, Franz A1 - Brunner, Martin A1 - Müller, Michael T1 - Experimental set-up for dynamic material investigation at high temperatures T2 - Sensors and Measuring Systems; 19th ITG/GMA-Symposium N2 - Energy efficiency and operation safety in energy conversion, process technology, and aerospace engineering requires advanced material investigation, in particular at high temperatures to characterize the materials and components. Additionally, modern additive manufacturing methods, in particular the 3D metal laser printer requires a detailed control of the melting temperature. Many applications are based on a layered structures, e.g. thermal barrier coatings in gas turbines. Also components manufactured by additive manufacturing pose a layered structure. In these structures the mechanical contact between the layers and to the substrate is of high interest. Besides, the complete characterisation of the additive manufactured component is important for its later application. To cope with these new demands, the University of Applied Sciences Wuerzburg - Schweinfurt (FHWS) and the Bavarian Center for Applied … Y1 - 2018 UR - https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8436229 SN - 978-3-8007-4683-5 SP - 516 EP - 519 PB - VDE Verlag ER - TY - JOUR A1 - Hartmann, Jürgen A1 - Zipf, Matthias A1 - Manara, Jochen A1 - Stark, Thomas A1 - Arduini, Mariacarla A1 - Ebert, Hans-Peter T1 - Infrared-optical characterization of emitting and absorbing gases at high temperatures and high pressures JF - High Temperatures – High Pressures N2 - In the context of the optimization of stationary gas turbines, the surface temperatures of the turbine blades have to be measured by a non-contact technique using radiation thermometers during operation of the turbine. Nowadays turbine blades are protected by thermal barrier coatings. The infrared-optical properties of these coatings require the usage of the MIR or LWIR region for non-contact measurement of the surface temperatures. For performing such measurements and for properly analyzing the derived data, the transmission and absorption spectra of the combustion gas mixture within the turbine were determined at the local conditions during operation of the turbine. Therefore, subject of this work is the measurement of the transmission spectra of carbon dioxide and water vapor at high temperatures and high pressures to identify a wavelength range, which is almost free of absorption and emission effects. In … Y1 - 2018 VL - 47 IS - 1 SP - 3 EP - 21 ER - TY - GEN A1 - Hartmann, Jürgen A1 - Knopp, Kevin A1 - Zänglein, Marc A1 - Manara, Jochen A1 - Stark, Thomas A1 - Zipf, Matthias A1 - Schreiber, Ekkehard A1 - Krüger, U. A1 - Brunner, Martin A1 - Müller, Michael T1 - Messsystem für dynamische Materialuntersuchung bei hohen Temperaturen BT - Sensoren und Messsysteme 2018 (Poster) Y1 - 2018 CY - Nürnberg ER - TY - CHAP A1 - Hartmann, Jürgen A1 - Knopp, Kevin A1 - Lenski, Philipp A1 - Zänglein, Marc A1 - Manara, Jochen A1 - Stark, Thomas A1 - Zipf, Matthias A1 - Arduini, Mariacarla A1 - Schreiber, Ekkehard A1 - Krüger, U. A1 - Schmidt, Franz A1 - Brunner, Martin T1 - Sensor systems for additive manufacturing Y1 - 2018 PB - Key Note Lecture MSE 2018 CY - Darmstadt ER - TY - CHAP A1 - Hartmann, Jürgen A1 - Manara, Jochen A1 - Zipf, Mathias A1 - Stark, Thomas A1 - Knopp, Kevin A1 - Zänglein, Marc A1 - Lenski, Philipp A1 - Schreiber, Ekkehard A1 - Schmidt, Franz A1 - Brunner, Martin A1 - Müller, Michael T1 - Thermophysical property measurements at high-temperatures for power engineering and additive manufacturing processes BT - QIRT 2018, 25 - 29 June 2018, Berlin, Germany N2 - To address the needs for increasing efficiency in power conversion, stratified structures like thermal barrier coatings, are used to increase operation temperature. Also advanced material processing like 3D laser printing of metals and ceramics are based on a layer-to-layer process at high temperatures, resulting in non-homogeneous components. Both systems require more and more detailed investigation methods to characterise the material properties of the resulting structures and to optimize the relevant processes. To address the required needs in advanced material characterisation recently an attempt was started to develop a unique measurement set-up for advanced material characterisation. This method is based on the well know laser flash principle, which was improved by adding supplementary heating sources and additional detection channels. Combining different heating mechanism and heating times with the two-dimensional measuring of the thermal flow across the sample enables the determination of different opto-thermal parameters and other material properties, e.g. mechanical contact, electrical conductivity or optical data, which also depend on or affect the flow of heat. In this paper we describe the implementation of the different optical methods to measure the thermal heat flow by point-like and two-dimensional temperature measurement and present first results on several samples. KW - thermophysical property measurement KW - additive manufacturing process Y1 - 2018 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:863-opus-17678 SN - 978-3-940283-94-8 CY - Berlin ER -