Microstructure and properties of A357 aluminium alloy treated by pulsed magnetic field

被引：9
|
作者：
Zhang, L. [1 ]
Zhan, W. [1 ]
Jin, F. [1 ]
Zhou, Q. [1 ]
机构：
[1] Nanchang Hangkong Univ, Sch Aeronaut Mfg Engn, Nanchang 330063, Jiangxi, Peoples R China
来源：
MATERIALS SCIENCE AND TECHNOLOGY | 2018年 / 34卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Pulsed magnetic field; A357; alloy; microstructure; mechanical property; damping capacity; AL-SI ALLOYS; MECHANICAL-PROPERTIES; INTERNAL-FRICTION; REFINEMENT; COMPOSITES; BEHAVIOR;
D O I：
10.1080/02670836.2017.1410925
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study examined the effects of a pulsed magnetic field (PMF) on the solidified microstructure and properties of A357 aluminium alloy. Results showed that the solidified microstructure of the alloy treated by a PMF was refined. The treated alloy in the T6 state had superior mechanical properties, with the ultimate tensile strength, yield strength and elongation increasing by 48 MPa (18.5%), 46 MPa (16.4%) and 4.8% (142%), respectively, when compared with the untreated alloy. When testing at room temperature, with a strain amplitude of 1 x 10(-4) and at a frequency of 1 Hz, the damping capacity value was 14.2 x 10(-3) for the alloy subjected to a PMF treatment, which increased by nearly 170% when compared with the untreated alloy.
引用
收藏
页码：698 / 702
页数：5
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