Effect of titanium additions on mechanical properties of Al-Cu-Mg-Agalloy

被引：5

作者：

Xiao, DH ^{[1
]}

Wang, JN ^{[1
]}

Ding, DY ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200030, Peoples R China

来源：

MATERIALS SCIENCE AND TECHNOLOGY | 2004年 / 20卷 / 09期

关键词：

aluminium alloys; mechanical properties; titanium alloying; microstructure;

D O I：

10.1179/026708304225022106

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The precipitation hardening response, microstructure and mechanical properties of four Al - Cu - Mg - Ag based alloys containing 0, 0(.)25, 0(.)6 and 1(.)1 (wt-%) titanium were investigated using scanning electron microscopy (SEM), transmission electron microscopy (TEM) and differential scanning calorimetry (DSC). It was shown that increasing the titanium content from 0 to 0(.)6 wt-% increased the tensile strength at all test temperatures up to 350degreesC. The high strength of the alloy with 0-6%Ti is attributed to the high density and high thermal stability of fine Q precipitates and an additional titanium containing intermetallic compound (Al3Ti).

引用

页码：1199 / 1204

页数：6

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