Effects of Heat Treatment on the Microstructure and Properties of Graded-Density Powder Aluminum Alloys

被引：0
作者：
Chao Liu
Yang Liu
Tao Wang
Wensheng Liu
Yunzhu Ma
机构：
[1] Central South University,National Key Laboratory of Science and Technology for National Defence on High
[2] Tsinghua University,Strength Structural Materials
[3] Hunan University of Science and Technology,State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering
来源：
Metal Science and Heat Treatment | 2022年 / 63卷
关键词：
aluminum alloys; graded porosity; solid solution; aging; microstructure; mechanical properties.;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Novel aluminum powder alloys with graded density are studied by differential scanning calorimetry, x-ray diffraction, fractographic, and x-ray phase analyses. The influence of solution treatment and aging on the microstructure and properties of the alloys is investigated. The variation of properties over the thickness of the specimens is determined. It is shown that the mechanical properties are the best after a 2-h solution treatment at 495°C and subsequent 8-h aging at 190°C with air cooling.
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页码：590 / 598
页数：8
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