Effect of pre-aging on precipitation hardening in Al-Si-Mg alloys

Sheng Long Lee, Yen Hung Tan, Shan Noon Yie, Jing Chie Lin

研究成果: 雜誌貢獻期刊論文同行評審

2 引文 斯高帕斯(Scopus)


The effects of various water quenching temperatures and duration time of aging on the precipitation hardened Al-7Si-0.65Mg cast alloy are investigated by differential scanning calorimetry, electrical conductivity, hardness and measurements of tensile properties. The results show a positive response to 95°C water quench from solid solution treatment. The largest hardening rate can be obtained at 95°C water-quenching and 60 min natural aging time. The tensile strength and hardness following a 95°C quench are found to be superior to that of a 25°C and 60°C water quench for the shorter artificial aging time. High temperature water-quenching parameters available to high temperature (>180°C) artificial aging with the shorter time are obtained.

頁(從 - 到)112-115
期刊Scandinavian Journal of Metallurgy
出版狀態已出版 - 1998


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