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Influence of tool rake angle on the quality of pure magnesium chip-consolidated product

Anilchandra, AR and Surappa, MK (2010) Influence of tool rake angle on the quality of pure magnesium chip-consolidated product. In: Journal of Materials Processing Technology, 210 (3). pp. 423-428.

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Chips were produced by orthogonal Cutting of cast pure magnesium billet with three different tool rake angles viz., -15 degrees, -5 degrees and +15 degrees on a lathe. Chip consolidation by solid state recycling technique involved cold compaction followed by hot extrusion. The extruded products were characterized for microstructure and mechanical properties. Chip-consolidated products from -15 degrees rake angle tools showed 19% increase in tensile strength, 60% reduction ingrain size and 12% increase in hardness compared to +15 degrees rake chip-consolidated product indicating better chip bonding and grain refinement. Microstructure of the fracture specimen Supports the abovefinding. On the overall, the present work high lights the importance of tool take angle in determining the quality of the chip-consolidated products. (C) 2009 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Publication: Journal of Materials Processing Technology
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Chips; Orthogonal cutting; Rake angle; Consolidation; Extrusion; Lathe
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 09 Mar 2010 06:32
Last Modified: 19 Sep 2010 05:55
URI: http://eprints.iisc.ac.in/id/eprint/25792

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