Venugopal, S and Mannan, SL and Prasad, YVRK (1993) Processing map for hot working of stainless steel type AISI 316L. In: Materials Science and Technology, 9 (10). pp. 899-906.
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Processing and instability maps using a dynamic materials model have been developed for stainless steel type AISI 316L in the temperature range 600-1250-degrees-C and strain rate range 0.001-100 s-1 with a view to optimising its hot workability. Stainless steel type AISI 316L undergoes dynamic recrystallisation, with a peak efficiency of 35% at 1250-degrees-C and 0.05 s-1, which are the optimum parameters for hot working this material. The material undergoes dynamic recovery at 900-degrees-C and 0.001 s-1. The increase in the dynamic recrystallisation and dynamic recovery temperatures in comparison with stainless steel type AISI 304L is attributed to the presence of a backstress caused by the molybdenum additions. These results are in general agreement with those reported elsewhere on stainless steel type 316 deformed in hot extrusion and hot torsion. At temperatures < 850-degrees-C and strain rates > 10 s-1, the material exhibits flow localisation owing to adiabatic shear band formation, whereas at higher temperatures (> 850-degrees-C) and strain rates (> 10 s-1) mechanical twinning and wavy slip bands are observed. (C) 1993 The Institute of Materials.
| Item Type: | Journal Article |
|---|---|
| Publication: | Materials Science and Technology |
| Publisher: | Institute of Materials, Minerals and Mining |
| Additional Information: | Copyright of this article belongs to Institute of Materials, Minerals and Mining. |
| Department/Centre: | Division of Physical & Mathematical Sciences > Physics |
| Date Deposited: | 23 Feb 2011 05:42 |
| Last Modified: | 23 Feb 2011 05:42 |
| URI: | http://eprints.iisc.ac.in/id/eprint/35702 |
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