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Processing Parameters for the Mechanical Working of 9 Cr-1 Mo Steel: Processing Maps Approach

Sivaprasad, PV and Mannan, SL and Prasad, YVRK (2004) Processing Parameters for the Mechanical Working of 9 Cr-1 Mo Steel: Processing Maps Approach. In: Materials Science and Technology, 20 (12). pp. 1545-1550.

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Abstract

Processing and instability maps using a dynamic materials model have been developed for 9Cr-1Mo steel in the temperature range 850 to 1200°C and strain rate range 0.001-100 $s^-^1$ with a view to optimising its hot workability. The efficiency of power dissipation increased with increase in temperature and decrease in strain rate. The 9Cr-1Mo material exhibited two dynamic recrystallisation domains, one with a peak efficiency of 37% occurring at 950°C and 0.001 $s^-^1$ and the other with a peak efficiency of 35% occurring at 1200°C and 0.1 $s^-^1$. These results are in good agreement with those found in industry.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to Maney Publishing.
Keywords: Dynamic Materials Model;Processing Maps;Recrystallisation;Steels
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 21 Feb 2005
Last Modified: 19 Jan 2012 09:28
URI: http://eprints.iisc.ernet.in/id/eprint/2797

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