Space power systems for the 1980-2000 period will have to operate for long times, ten to thirty years, and at high temperatures, 1100-1900 K, if they are to be cost-effective. These conditions will require materials having long-time stability in vacuum, and high-temperature strength and creep resistance. Superalloys and refractory metals are the likely candidates for the various components of space power systems. Currently two major materials problems are strength degradation by aging and evaporation, and the lack of a long-life data bank. Long-time testing of some superalloys is underway.
High-temperature materials for space power systems
Hochtemperaturwerkstoffe fuer die Raumfahrt
High Temp. High Press. ; 10 , 2 ; 135-140
1978
6 Seiten, 2 Quellen
Article (Journal)
English
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