Effect of preaging on precipitation hardening in Al-Si-Mg alloys

被引：0
|
作者：
Tan, YH [1 ]
Lee, SL [1 ]
Wang, PS [1 ]
机构：
[1] Natl Cent Univ, Dept Mech Engn, Chungli 32054, Taiwan
来源：
THERMEC '97 - INTERNATIONAL CONFERENCE ON THERMOMECHANICAL PROCESSING OF STEELS AND OTHER MATERIALS, VOLS I-II | 1997年
关键词：
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The effect of various water quenching temperature and duration time of precipitation hardened Al-7Si-0.65Mg cast alloy is investigated by differential scanning calorimeter, electrical onductivity, hardness and tensile properties measurements. The results shows a positive response to 95 degrees C water quenched from solid solution treatment. The largest hardened rate can be obtained at 95 degrees C water-quenching for 60 minutes duration time in natural aging. The tensile strength and hardness following 95 degrees C quenched is found to be higher than that 25 degrees C and 60 degrees C water quenched in the shorter artificial aging time. High temperature water-quenching parameters available to high temperature(>180 degrees C) artificial aging treatment with the shorter aging time.
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页码：959 / 964
页数：6
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