Effect of Electromagnetic Field on Microstructure and Properties of Cu-Cr-Co-Si Alloy

被引：1

作者：

Sun, Xinglong ^{[1
]}

Jie, Jinchuan ^{[1
]}

Li, Tingju ^{[2
]}

机构：

[1] Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China

[2] Dalian Univ Technol, Sch Mat Sci & Engn, Lab Special Proc Raw Mat, Dalian 116024, Peoples R China

来源：

9TH INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC PROCESSING OF MATERIALS (EPM2018) | 2018年 / 424卷

关键词：

Cu-Cr-Co-Si alloy; Electromagnetic field; Microstructure; Hardness; Tensile strength; Electrical conductivity; PRECIPITATION; STEEL; METAL;

D O I：

10.1088/1757-899X/424/1/012070

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The Cu-Cr-Co-Si alloy is a newly designed copper alloy with high mechanical properties and a proper electrical conductivity. The intermediate frequency electromagnetic field was applied during the solidification process. The results showed that the grain size remarkably refined with the application of electromagnetic field, the structure of the as-cast Cu-1Cr-1Co-0.2Si alloy transformed from coarse grain to homogeneous equiaxed grain due to the electromagnetic force. The microhardness and tensile strength of the alloy with the electromagnetic field intensity of 10 mT increased by 27.4% and 14.9% respectively compared with as-cast condition after solid solution and aging treatment. While, the electrical conductivity of the ingots with electromagnetic field is 53.1% IACS, which is slightly lower than that of the as-cast condition.

引用

页数：4

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