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On the strain-hardening parameters of metals

On the strain-hardening parameters of metals Abstract The applicability of the Ludwik, Hollomon, Swift and Voce equations in describing the stress - strain curves of metals was investigated. Calculated uniform strain values were found to depend on the equation used. Even when the Hollomon equation gave a high linear correlation coefficient in log-log coordinates, the strain-hardening exponent n could give an erroneous uniform strain. The equation with the lowest standard error of estimate gave the uniform strain nearest to the value obtained by direct measurement from the load-elongation curve. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Metallurgical and Materials Transactions B Springer Journals

On the strain-hardening parameters of metals

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References (14)

Publisher
Springer Journals
Copyright
1974 American Society for Metals, The Melallurgical Society of AIME
ISSN
1073-5615
eISSN
1543-1916
DOI
10.1007/BF02644152
Publisher site
See Article on Publisher Site

Abstract

Abstract The applicability of the Ludwik, Hollomon, Swift and Voce equations in describing the stress - strain curves of metals was investigated. Calculated uniform strain values were found to depend on the equation used. Even when the Hollomon equation gave a high linear correlation coefficient in log-log coordinates, the strain-hardening exponent n could give an erroneous uniform strain. The equation with the lowest standard error of estimate gave the uniform strain nearest to the value obtained by direct measurement from the load-elongation curve.

Journal

Metallurgical and Materials Transactions B – Springer Journals

Published: Aug 1, 1974

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