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Industrial validation of processing maps of 316L stainless steel using hot forging, rolling, and extrusion

Venugopal, S and Vasudevan, M and Venugopal, Sridhar and Sivaprasad, PV and Jha, SK and Pandey, P and Mannan, SL and Prasad, YVRK (1996) Industrial validation of processing maps of 316L stainless steel using hot forging, rolling, and extrusion. In: Materials Science and Technology, 12 (11). pp. 955-962.

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The development of microstructure in 316L stainless steel during industrial hot forming operations including press forging (strain rate of 0 . 15 s(-1)), rolling/extrusion (strain rate of 2-8 . 8 s(-1)), and hammer forging (strain rate of 100 s(-1)) at different temperatures in the range 600-1200 degrees C was studied with a view to validating the predictions of the processing map. The results showed that good col relation existed between the regimes indicated in the map and the product microstructures. The 316L stainless steel exhibited unstable flow in the form of flow localisation when hammer forged at temperatures above 900 degrees C, rolled below 1000 degrees C, or press forged below 900 degrees C. All these conditions must therefore be avoided in mechanical processing of the material. Conversely, in order to obtain defect free microstructures, ideally the material should be rolled at temperatures above 1100 degrees C, press forged at temperatures above 1000 degrees C, or hammer forged in the temperature range 600-900 degrees C. (C) 1996 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 Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 29 Apr 2011 06:57
Last Modified: 29 Apr 2011 06:57
URI: http://eprints.iisc.ac.in/id/eprint/37309

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