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The effect of preaging on the delayed aging of Al-7Si-0.3Mg

Murali, S and Arunkumar, Y and Chetty, PVJ and Raman, KS and Murthy, KSS (1997) The effect of preaging on the delayed aging of Al-7Si-0.3Mg. In: Journal of the Minerals Metals & Materials Society (JOM), 49 (2). pp. 29-33.

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Al-7Si-0.3Mg is a commonly used commercial casting alloy because of its excellent castability combined with good mechanical properties. The post-casting heat treatment is one factor that affects the mechanical properties; during heat treat ment, a delay between solutionizing and artificial aging (delayed aging) leads to a reduction in hardness, ultimate tensile strength, and yield strength in the alloy. The investigation reported here was aimed at understanding the extent to which the harmful effect of delayed aging on hardness/strength can be nullified. The results obtained were explained using Pashley's kinetic model.

Item Type: Journal Article
Publication: Journal of the Minerals Metals & Materials Society (JOM)
Publisher: The Minerals, Metals & Materials Society
Additional Information: Copyright of this article belongs to The Minerals, Metals & Materials Society.
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 22 Jun 2011 06:58
Last Modified: 22 Jun 2011 06:58
URI: http://eprints.iisc.ac.in/id/eprint/38535

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