Grain boundary segregation and precipitation in aluminium alloys

被引：69
|
作者：
de Hass, M
De Hosson, JTM
机构：
[1] Univ Groningen, Ctr Mat Sci, Dept Appl Phys, NL-9747 AG Groningen, Netherlands
[2] Univ Groningen, Netherlands Inst Met Res, NL-9747 AG Groningen, Netherlands
来源：
SCRIPTA MATERIALIA | 2001年 / 44卷 / 02期
关键词：
aluminum alloys; grain boundaries; segregation; transmission electron microscopy;
D O I：
10.1016/S1359-6462(00)00577-7
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The main advantage of aluminum alloys is their high strength to weight ratio and therefore, these alloys are considered as a good choice for automotive applications and airframe structure manufacturing. However, commercial applications may be restricted by poor characteristics such as resistance to stress corrosion cracking, intergranular embrittlement and intergranular fracture. These characteristics depend strongly on the size and distribution of grain boundary precipitates, but also on the width of the precipitate zone. The quench rate in this respect is a very important processing parameter.
引用
收藏
页码：281 / 286
页数：6
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