Creep of mechanically-alloyed NiAl containing 13 vol% Mo or Mo{sub 2}C dispersoids
Conference
·
OSTI ID:20001666
Dispersion-strengthened nickel aluminide NiAl was synthesized by reactive mechanical alloying from elemental powders. The microstructure and creep properties of these materials was compared for two cases: (1) NiAl-Mo, where dispersoids are a brittle, ceramic phase. Also, the effect of annealing treatments which coarsened both matrix grains and dispersoids was investigated. Inhibited diffusional creep is identified as the rate-controlling creep mechanism.
- Research Organization:
- Massachusetts Inst. of Tech., Cambridge, MA (US)
- Sponsoring Organization:
- National Science Foundation; Swiss National Foundation
- OSTI ID:
- 20001666
- Report Number(s):
- CONF-981104--; ISBN 1-55899-458-0; ISSN 1067-9995
- Country of Publication:
- United States
- Language:
- English
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