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On the description of cyclic hardening and initial cold working

✍ Scribed by D. Nouailhas; G. Cailletaud; H. Policella; D. Marquis; J. Dufailly; H.P. Lieurade; A. Ribes; E. Bollinger

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
707 KB
Volume
21
Category
Article
ISSN
0013-7944

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✦ Synopsis

The effects of a history of prior straining on subsequent cyclic behavior are studied for a 316 stainless steel at room temperature. The main features of the experimental results are cyclic hardening on quenched material and cyclic softening on cold-worked material. The possibilities of description of the experimental results within the framework of the plasticity theory based on internal variable concepts are discussed. The introduction of a new internal variable taking into account the influence of a prior straining allows us to represent both the fast cyclic hardening for the quenched material and the slow cyclic softening for the cold-worked one with only one set of material coefficients.

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