Cyclic stress-strain behavior of PWA 1480 at 650 deg C
Conference
·
OSTI ID:7047537
The monotonic plastic flow behavior of several single crystal nickel-base, superalloys has been shown to vary significantly with crystallographic orientation. In the present study, the cyclic plastic flow response of one such alloy, PWA 1480, was examined at 650 deg C in air. Single crystal specimens aligned near several crystallographic directions were tested in fully reversed, total-strain-controlled low cycle fatigue tests at a frequency of 0.1 Hz. The cyclic stress-strain response and general cyclic hardening behavior was analyzed as a function of crystallographic orientation and inelastic strain range.
- Research Organization:
- National Aeronautics and Space Administration, Cleveland, OH (USA). Lewis Research Center
- OSTI ID:
- 7047537
- Report Number(s):
- N-87-14483; NASA-TM-87311; E-3038; NAS-1.15:87311; CONF-860340-15
- Country of Publication:
- United States
- Language:
- English
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