Surface quality, microstructure and mechanical properties of Cu-Sn alloy plate prepared by two-phase zone continuous casting

被引：16
作者：
Liu, Xue-feng [1 ,2 ,3 ]
Luo, Ji-hui [2 ]
Wang, Xiao-chen [2 ]
机构：
[1] Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China
[2] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
[3] Univ Sci & Technol Beijing, Beijing Lab Metall Mat & Proc Modern Transportat, Beijing 100083, Peoples R China
来源：
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2015年 / 25卷 / 06期
基金：
中国国家自然科学基金; 北京市自然科学基金;
关键词：
Cu-Sn alloy plate; two-phase zone continuous casting; surface quality; grains-covered grains microstructure; mechanical property; DYNAMIC EMBRITTLEMENT; COPPER; BEHAVIOR; BRONZE; WIRES; TIN;
D O I：
10.1016/S1003-6326(15)63797-9
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Cu-4.7% Sn (mass fraction) alloy plate was prepared by the self-developed two-phase zone continuous casting (TZCC) process. The relationship between process parameters of TZCC and surface quality of the alloy plate was investigated. The microstructure and mechanical properties of the TZCC alloy plate were analyzed. The results show that Cu-4.7% Sn alloy plate with smooth surface can be obtained by means of reasonable matching the entrance temperature of two-phase zone mold and the continuous casting speed. The microstructure of the TZCC alloy is composed of grains-covered grains, small grains with self-closed grain boundaries, columnar grains and equiaxed grains. Compared with cold mold continuous casting Cu-4.7% Sn alloy plate, the room temperature tensile strength and ductility of the TZCC alloy plate are greatly improved.
引用
收藏
页码：1901 / 1910
页数：10
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