Effect of extrusion temperature on mechanical properties of as-extruded Zn-22Al alloys

被引：4
|
作者：
Sun, Shineng [1 ]
Wang, Hanle [2 ]
Yang, Bo [2 ]
Qin, Gaowu [2 ]
机构：
[1] Shenyang Univ, Inst Innovat Sci & Technol, Shenyang 110044, Peoples R China
[2] Northeastern Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Anisotropy & Texture Mat, Shenyang 110819, Peoples R China
来源：
MATERIALS SCIENCE AND TECHNOLOGY | 2020年 / 36卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Zn-22Al alloy; extrusion temperature; elongation; electron back scattered diffraction; lamellar structure; ZN-22-PERCENT AL-ALLOY; CYCLE FATIGUE BEHAVIOR; HIGH-STRAIN-RATE; DEFORMATION-BEHAVIOR; MICROSTRUCTURAL EVOLUTION; ALUMINUM-ALLOY; SUPERPLASTICITY; IMPROVEMENT;
D O I：
10.1080/02670836.2020.1743923
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of extrusion temperature on the microstructures and mechanical properties of as-extruded Zn-22Al alloys was investigated in this study. With decrease of extrusion temperature from 350 to 200 degrees C, the elongation of as-extruded Zn-22Al alloys increases remarkably at low strain rate and has no change at high strain rate, which implies that the Zn-22Al alloys extruded at lower temperature exhibit high-ductility behaviour. X-ray diffraction and electron back-scattered diffraction analysis demonstrated that the maximum elongation of Zn-22Al alloys extruded at the extrusion temperature of 200 degrees C can be attributed to the elimination of the lamellar structure and the refinement in grain size of the Zn-rich phase.
引用
收藏
页码：805 / 810
页数：6
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