Strain aging behavior in NiAl microalloyed with interstitial and substitutional solutes
Book
·
OSTI ID:571840
- Florida A and M Univ., Tallahassee, FL (United States). Center for Nonlinear and Nonequilibrium Aeroscience
- NASA-Lewis Research Center, Cleveland, OH (United States)
- Univ. of Florida, Gainesville, FL (United States). Dept. of Materials Science and Engineering
Dynamic strain aging has been investigated in polycrystalline NiAl alloys containing combined additions of interstitial and substitutional impurities. The results indicate that strain aging can be enhanced in polycrystalline alloys containing concentrations of silicon or iron in excess of 0.15 at.% in addition to conventional levels of carbon. This co-doping leads to very dramatic strain aging events, comparable to those typically observed in single crystals. This effect will be discussed with respect to conventional theories of strain aging.
- OSTI ID:
- 571840
- Report Number(s):
- CONF-961202--
- Country of Publication:
- United States
- Language:
- English
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