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RESEARCH PAPERS

Ramberg-Osgood Strain-Hardening Characterization of an ASTM A302-B Steel

[+] Author and Article Information
L. A. James

Westinghouse Electric Corporation, Beltis Atomic Power Laboratory, Box 79, West Mifflin, PA 15122-0079

J. Pressure Vessel Technol 117(4), 341-345 (Nov 01, 1995) (5 pages) doi:10.1115/1.2842133 History: Received December 12, 1994; Revised March 03, 1995; Online February 11, 2008

Abstract

The Ramberg-Osgood strain-hardening exponents and coefficients are characterized for an unirradiated ASTM A302-B steel over a wide range of temperatures from −129 to 260°C. The strain-hardening exponent increases only slightly with temperature over this range, while the coefficient decreases with increasing temperature. Tensile specimens irradiated to 0.002, 0.029, and 0.046 dpa exhibited significant increases in the strain-hardening exponent with increasing neutron irradiation level.

Copyright © 1995 by The American Society of Mechanical Engineers
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