About Al-Si Alloys Structure Features and Ductility and Strength Increasing After Deformation Heat Processing

被引：0
|
作者：
Kaverinsky, V. V. [1 ]
Sukhenko, Z. P. [1 ]
Bagluk, G. A. [1 ]
Verbylo, D. G. [1 ]
机构：
[1] NAS Ukraine, IM Frantsevich Inst Problems Mat Sci, 3 Academician Krzhyzhanovsky Str, UA-03142 Kiev, Ukraine
来源：
METALLOPHYSICS AND ADVANCED TECHNOLOGIES | 2022年 / 44卷 / 06期
关键词：
Al-Si alloys; deformation heat processing; mechanical properties; silicon inclusions; microstructure;
D O I：
10.15407/mfint.44.06.0769
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A technique of deformation heat processing for Al-Si based alloys is proposed which can significantly increase their both ductility and strength and also reveals additional reserves for their strength and hardness increasing through cold work hardening. The method includes serial of small hot plastic deformations with intermediate cooling and short annealing. This makes the silicon inclusion rather small with shape close to spherical, which leads to the ductility increasing. Then a work hardening processing could be performed for the material. Finally, both ductility and strength appear higher than in the initial cast state.
引用
收藏
页码：769 / 784
页数：143
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