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High-temperature properties of MIM-processed superalloys

: Klöden, B.; Jehring, U.; Weißgärber, T.; Kieback, B.; Langer, I.; Stein, R.W.-E.

European Powder Metallurgy Association -EPMA-:
World Powder Metallurgy Congress and Exhibition, World PM 2010. Vol.4 : 10th - 14th October 2010, Fortezza da Basso, Florence, Italy
ISBN: 978-1-899072-19-4
World Powder Metallurgy Congress and Exhibition (World PM) <2010, Florence>
Conference Paper
Fraunhofer IFAM, Institutsteil Pulvermetallurgie und Verbundwerkstoffe Dresden ()

Two Ni-based PM superalloys (Inconel 713C & Udimet 720), which have been processed by metal injection moulding (MIM), were analyzed with respect to their high-temperature properties. This included tensile tests at temperatures up to 900°C and evaluation of oxidation resistance up to 1100°C. The first test series lead to promising results when compared to other processing routes; however, optimizations concerning impurity contents are necessary to improve the high-temperature performance.