A COMBINED STRENGTHEN MODEL OF THE AGEING PROCESS OF Al/SiCP COMPOSITES

Acta Metall Sin

2006, Vol. 42

Issue (8): 887-891 DOI:

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A COMBINED STRENGTHEN MODEL OF THE AGEING PROCESS OF Al/SiCP COMPOSITES

湖南长沙中南大学粉末冶金研究院

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. A COMBINED STRENGTHEN MODEL OF THE AGEING PROCESS OF Al/SiCP COMPOSITES. Acta Metall Sin, 2006, 42(8): 887-891 .

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Abstract A strength model based on the particle-strengthening and age-strengthening mechanism and precipitation kinetics, was presented to examine the quantitative relationship between the particle sizes, volume fraction and the ageing parameters and the yield strengths of Al/SiCP composites. The model can be used to predict the variation of the yield strength of composites as the variation of volume fraction, size of reinforcements and aging time. the predicted values are consistent with experimental values when applying the model to 2xxx aluminum alloy reinforced with SiC particulates.

Key words: age strengthening model aluminum matrix composite particulate reinforcement

Received: 14 November 2005

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y2006/V42/I8/887

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