The effects of interstitial content and annealing on the flow and fracture behavior of polycrystalline {beta}-NiAl
Conference
·
OSTI ID:78357
- Univ. of Florida, Gainesville, FL (United States)
- NASA-Lewis Research Center, Cleveland, OH (United States)
The strain aging behavior of three polycrystalline NiAl alloys has been investigated at temperatures between 300 and 1,200 K. Yield stress plateaus, yield stress transients upon a tenfold increase in strain rate, work hardening peaks, and dips in the strain rate sensitivity (SRS) have been observed between 700 and 800 K. These observations are indicative of dynamic strain aging (DSA) and are discussed in terms of conventional strain aging theories.
- OSTI ID:
- 78357
- Report Number(s):
- CONF-941144--; ISBN 1-55899-265-0
- Country of Publication:
- United States
- Language:
- English
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