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Microstructure and mechanical properties of squeeze-cast copper

Prakasan, K and Seshan, S (1998) Microstructure and mechanical properties of squeeze-cast copper. In: One Hundred First Annual Meeting of the American Foundrymen's Society, 20-23 Apr. 1997, Seattle, Washington.

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Demand for cost-effective manufacturing techniques led to the development of near-net-shape processes. Squeeze casting is one such established effort. This process enjoys the combined merits of casting and forging. Squeeze casting imparts soundness comparable to that of wrought products while maintaining isotropic nature. Aluminum alloys and zinc alloys have been successfully processed through squeeze casting, but copper and copper alloys do not seem to have been attempted. Considering the capability of squeeze casting process, it is reasonable to expect properties different from that of conventionally cast copper. This paper presents the details of a systematic investigation wherein optimum process parameters for the squeeze casting of pure copper were established. Microstructure of squeeze-cast copper has been found to be significantly different from that of conventionally cast copper, and the dendrite arm spacing is much smaller. In addition to the room temperature mechanical properties, elevated temperature properties of copper are also appreciably improved by squeeze casting.

Item Type: Conference Paper
Publisher: American Foundrymen's Society
Additional Information: Copyright of this article belongs to American Foundrymen's Society.
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 15 Mar 2012 09:46
Last Modified: 06 Nov 2018 07:02
URI: http://eprints.iisc.ac.in/id/eprint/43949

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