Elevated temperature compressive behavior of a beryllium-aluminum casting alloy

被引：12
|
作者：
Dou, Z. Y. [1 ]
Ma, C. [1 ]
Zhao, Y. W. [2 ]
Wang, H. J. [1 ,3 ]
Wang, M. [1 ]
Tan, X. [1 ]
Li, B. Q. [2 ]
Jiang, C. L. [1 ]
Liu, X. D. [1 ]
Luo, J. R. [1 ]
Zhang, P. C. [2 ]
机构：
[1] Sci & Technol Surface Phys & Chem Lab, Mianyang 621907, Peoples R China
[2] China Acad Engn Phys, Inst Mat, Mianyang 621908, Peoples R China
[3] Southwest Univ Sci & Technol, Sch Mat Sci & Engn, Mianyang 621010, Peoples R China
来源：
MATERIALS LETTERS | 2018年 / 229卷
关键词：
Metallic composites; Microstructure; Beryllium-aluminum alloy; Compression; HOT DEFORMATION; PROCESSING MAPS; COMPOSITES;
D O I：
10.1016/j.matlet.2018.06.067
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The performance of elevated temperature compressive deformation of the beryllium-aluminum casting alloy was investigated in the temperature range of 450-660 degrees C and strain rate 0.1-50 s (1). The temperature mainly affects the load bearing ability and flowability of aluminum and thus the compatible plastic deformation of the alloy, while the strain rate mainly affects the work hardening effect and peak stresses. The deformation mechanism was discussed by combining analysis of the stress-strain curves and microstructures. The constitutive equation relating flow stress, strain rate, and deformation temperature of the alloy is established. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：89 / 92
页数：4
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