Effect of Ce addition on the mechanical and electrochemical properties of a lithium battery shell alloy

被引：23
|
作者：
Zhang, Junchao [1 ]
Ding, Dongyan [1 ]
Xu, Xinglong [1 ]
Gao, Yongjin [2 ]
Chen, Guozhen [2 ]
Chen, Weigao [2 ]
You, Xiaohua [2 ]
Huang, Yuanwei [3 ]
Tang, Jinsong [3 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China
[2] Huafon NLM Al Co Ltd, Shanghai 201506, Peoples R China
[3] Shanghai Huafon Mat Technol Inst, Shanghai 201203, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2014年 / 617卷
关键词：
Metals and alloys; Ce addition; Microstructure; Tensile property; Electrochemical property; AL; MICROSTRUCTURE; BEHAVIOR; PRECIPITATION; CORROSION;
D O I：
10.1016/j.jallcom.2014.08.089
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Due to severe application environment lithium battery shell of new-energy automotives requires increasing demands for using high performance aluminum alloys. In the present work, effect of Ce addition on the microstructure, tensile and electrochemical properties of an Al-Cu-Mn-Mg-Fe alloy were investigated through using X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), tensile tests and electrochemical tests. The experimental results indicated that the addition of Ce element could promote the precipitation of second phases. With addition of 0.36% Ce, high melting point Al8Cu4Ce phase and many Al20Cu2Mn3 particles could be found. In addition, the precipitation of conventionally dominant phase of Al2Cu could be suppressed in alloy. The Ce addition was found to result in enhanced tensile strength and improved corrosion resistance. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：665 / 669
页数：5
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