低温时效对某些压铸铝合金性能的影响

陈荣石; 毕鉴智; 周广英; 穆光华

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低温时效对某些压铸铝合金性能的影响
Influence of Low Temperature Aging Treatment on Mechanical Properties of Some Die Casting Al Alloys
1997年第2期
纸质出版日期： 1997 ，
DOI：

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[1]陈荣石,毕鉴智,周广英,穆光华.低温时效对某些压铸铝合金性能的影响[J].特种铸造及有色合金,1997(02):17-20.

Chen Rongshi. Influence of Low Temperature Aging Treatment on Mechanical Properties of Some Die Casting Al Alloys[J]. Special Casting & Nonferrous Alloys, 1997,(2).
[1]陈荣石,毕鉴智,周广英,穆光华.低温时效对某些压铸铝合金性能的影响[J].特种铸造及有色合金,1997(02):17-20. DOI：

Chen Rongshi. Influence of Low Temperature Aging Treatment on Mechanical Properties of Some Die Casting Al Alloys[J]. Special Casting & Nonferrous Alloys, 1997,(2). DOI：

摘要

对压铸铝合金进行低温时效，在最佳工艺条件下，合金的平均拉伸强度提高１０％以上，布氏硬度提高３０％以上。还利用扫描电镜研究了热处理过程中合金组织的变化，分析了合金性能提高的原因。

Abstract

Low temperature aging for die casting Al alloy under appropriate technological condition can increase average strength and Brinell hardness more than 10% and 30% respectively. By means of this treatment it is possible to aviod deformation and bulge casting defects in solid solution treatment at high temperature as well as to increase mechanical properties for die casting. Microstructure observations during the period of aging treatment by SEM have been examined.