Orientation effect on the stress response by strain-rate change at 400 K in Ni{sub 3}Al single crystals
Conference
·
OSTI ID:20001678
Cyclic strain-rate change tests were performed by using binary, stoichiometric Ni{sub 3}Al single crystalline specimens with different tensile orientations at 400K. In all the specimens, the flow stress was independent of strain rate in steady state and exhibited a temporary change by the strain-rate change. The characteristics of the temporary stress change, the initial stress change and transient time, were independent of orientation. Based on the multiplication-immobilization model, the authors concluded that the immobilization mechanism, the Kear-Wilsdorf locking mechanism, is independent of orientation in binary, stoichiometric Ni{sub 3}Al.
- Research Organization:
- National Research Inst. for Metals, Tsukuba, Ibaraki (JP)
- OSTI ID:
- 20001678
- Report Number(s):
- CONF-981104--; ISBN 1-55899-458-0; ISSN 1067-9995
- Country of Publication:
- United States
- Language:
- English
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