The effects of interstitial content and annealing on the flow and fracture behavior on polycrystalline beta-NiAl
Technical Report
·
OSTI ID:188483
The strain behavior of three polycrystalline NiAl alloys has been investigated at temperatures between 300 and 1200 K. Yield stress plateaus, yield stress transients upon a ten-fold 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.
- Research Organization:
- National Aeronautics and Space Administration, Cleveland, OH (United States). Lewis Research Center
- OSTI ID:
- 188483
- Report Number(s):
- N--96-17349; NASA-CR--200037; NAS--1.26:200037; NIPS--96-07285; CNN: NGT-2958
- Country of Publication:
- United States
- Language:
- English
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