Ray, SK and Rodriguez, P and Sastry, DH (1993) Deformation dynamics of SS-316 Between 1023-K TO 1223-K In The Framework of Cottrell-Stokes Law. In: Transactions of the Indian Institute of Metals, 46 (1). pp. 31-39.
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Kocks' formalism for analysing steady state deformation data for the case where Cottrell-Stokes law is valid is extended to incorporate possible back stresses from solution and/or precipitation hardening, and dependence of pre-exponential factor on the applied stress. A simple graphical procedure for exploiting these equations is demonstrated by analyzing tensile steady state data for a type 316 austentic stainless steel for the temperature range 1023 to 1223 K. In this instance, the computed back stress values turned out to be negative, a physically meaningless result. This shows that for SS 316, deformation in this temperature regime can not be interpreted in terms of a mechanism that obeys Cottrell-Stokes law.
| Item Type: | Journal Article |
|---|---|
| Publication: | Transactions of the Indian Institute of Metals |
| Publisher: | Indian Inst Metals |
| Additional Information: | Copyright of this article belongs to Indian Inst Metals. |
| Department/Centre: | Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy) |
| Date Deposited: | 10 Feb 2011 09:03 |
| Last Modified: | 10 Feb 2011 09:03 |
| URI: | http://eprints.iisc.ac.in/id/eprint/35391 |
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