Ravichandran, N and Prasad, YVRK (1993) Characteristics of Dynamic Recrystalization Domain in the Processing Map for Hot-Working of OFHC Coper. In: Zeitschrift für Metallkunde, 84 (2). pp. 132-139.
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The constitutive flow behaviour of OFHC copper under working conditions is studied using hot compression in the temperature range 650 to 900-degrees-C and strain rate range 0.001 to 100 s-1. The variation of the efficiency of power dissipation given by [2m/(m + 1)] (where m is the strain rate sensitivity) with temperature and strain rate is represented in the form of a power dissipation map and interpreted on the basis of the Dynamic Materials Model. The map prominently exhibited a domain centered at 850-degrees-C and 100 s-1 with a peak efficiency of 35 %. On the basis of the correlation of variations of grain size, efficiency of power dissipation and hot workability with temperature, the domain is identified to represent dynamic recrystallization (DRX).
| Item Type: | Journal Article |
|---|---|
| Publication: | Zeitschrift für Metallkunde |
| Publisher: | Carl Hanser Verlag |
| Additional Information: | Copyright of this article belongs to Carl Hanser Verlag. |
| Department/Centre: | Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy) |
| Date Deposited: | 02 Feb 2011 07:20 |
| Last Modified: | 02 Feb 2011 07:20 |
| URI: | http://eprints.iisc.ac.in/id/eprint/35359 |
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