Examination of the influence of heat treatment on the properties of Al-Si alloys

被引：0
|
作者：
Vuksanovic, Darko
Markovic, Srdjan
Petrovic, Stanka Tomovic
Rakocevic, Snezana
Kovacevic, Kata
Tripkovic, Snezana
机构：
[1] Fac Met, Podgorica 81000, Montenegro
[2] Fac Technol & Met, Belgrade 11000, Serbia
[3] Inst Kirilo Savic, Belgrade 11000, Serbia
[4] HK Petar Draspin, Mladenovac 11400, Serbia
来源：
STEEL RESEARCH INTERNATIONAL | 2007年 / 78卷 / 08期
关键词：
alloys of Al-Si system; heat treatment; mechanical properties; inter-metallic phase; microstructure;
D O I：
10.1002/srin.200706261
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
In this paper the influence of heat treatment on the structural and mechanical properties of AI-Si alloys was investigated. Silicon content in the examined alloys was in the range 11 to 14%, the contents of the other alloying elements were in the standard range [1] but all alloys were modified with strontium. The regime of the applied heat treatment was quenching (520 degrees C/6h - cooling in water) + aging (205 degrees C/7h air cooling). The examinations were carried out at room temperature as well as at 250 degrees C and 300 degrees C. The obtained results showed a positive influence of the applied heat treatment on the mechanical properties of the examined alloys. The improvement of the mechanical properties can be considered as a consequence of a redistribution and change of morphology of the phases present in the structure of the alloys.
引用
收藏
页码：648 / 653
页数：6
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