Following creep under combined tension and torsion for 2 hr, probes of 5-min duration were made with different sequences along (a) a Mises ellipse through the loading point, and (b) along a possible creep surface suggested by the normality concept as applied to previous experiments. The results indicate that the sequence of probing makes considerable difference and the shape of a creep surface estimated from normality is not necessarily consistent with a definition of the creep surface as a surface of constant creep rate.
Concerning a Creep Surface for an Aluminum Alloy
W. N. Findley,
J. S. Y. Lai,
W. N. Findley
Brown University, Providence, R. I.
J. S. Y. Lai
University of Utah, Salt Lake City; Brown University, Providence, R. I.
K. G. Nolte
Pan American Petroleum Corporation, Tulsa, Okla.; Brown University, Providence, R. I.
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Findley, W. N., Lai, J. S. Y., and Nolte, K. G. (December 1, 1971). "Concerning a Creep Surface for an Aluminum Alloy." ASME. J. Appl. Mech. December 1971; 38(4): 1091–1094. https://doi.org/10.1115/1.3408931
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