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

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题名:	Effect of pre-aging on precipitation hardening in Al-Si-Mg alloys
作者:	Lee,SL;Tan,YH;Yie,SN;Lin,JC
贡献者:	機械工程研究所
关键词:	A357 ALLOYS
日期:	1998
上传时间:	2010-06-29 18:04:12 (UTC+8)
出版者:	中央大學
摘要:	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 degrees C water quench from solid solution treatment. The largest hardening rate can be obtained at 95 degrees C water-quenching and 60 min natural aging time. The tensile strength and hardness following a 95 degrees C quench are found to be superior to that of a 25 degrees C and 60 degrees C water quench for the shorter artificial aging time. High temperature water-quenching parameters available to high temperature (>180 degrees C) artificial aging with the shorter time are obtained.
關聯:	SCANDINAVIAN JOURNAL OF METALLURGY
显示于类别:	[機械工程研究所] 期刊論文

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