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Mechanical Properties of Refractory Metals at Extremly High Temperatures
Fischer B.,Beschliesser M.,Hoffmann A.,Vorberg S. 한국분말야금학회 2006 한국분말야금학회 학술대회논문집 Vol.2006 No.1
Driven by the unavailibility of commercial test equipment for tensile and creep testing at temperatures up to 3000°C a measuring system has been developed and constructed at the University of Applied Sciences, Jena. These temperatures are reached with precision by heating samples directly by electric current. Contact-less strain measurements are carried out with image processing software utilizing a CCD camera system. This paper covers results of creep tests which have been conducted on TZM sheet material (thickness 2 mm) in different heat-treatment conditions in the temperature range between 1200°C and 1600°C.