Long-Term Rupture Strength of Alloys and Plastics From Tensile Strength at Elevated Temperatures

[+] Author and Article Information
Solomon Goldfein

Plastics and Ceramics Research, Materials Research Laboratory, U. S. Army Engineer Research and Development Laboratories, Fort Belvoir, Va.

J. Basic Eng 88(4), 762-770 (Dec 01, 1966) (9 pages) doi:10.1115/1.3645958 History: Received March 24, 1965; Online November 03, 2011


This paper covers an investigation to determine if the long-term, tensile stress-rupture strength of alloys could be calculated from the results of static tensile-strength tests at elevated temperatures. Twenty-one alloys were investigated. A second-order form of a mechanical-chemical equation of state was used to draw master rupture curves from both long-term rupture and tensile-strength data. It is concluded that the long-term strength of an alloy can be computed from a knowledge of its tensile strength at elevated temperatures, prior history, chemical composition, and mode of failure.

Copyright © 1966 by ASME
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