Microstructure and Machine Properties of Co37+xNi34-xAl29(x=0,1,2,3) Ferromagnetic Shape Memory Alloys

被引：0

作者：

Ju, Jia ^{[1
,2
,3
]}

Yan, Chen ^{[4
]}

Yang, Liu ^{[1
]}

机构：

[1] Nanjing Inst Technol, Sch Mat Engn, Jiangsu Key Lab Adv Struct Mat & Applicat Technol, Nanjing, Jiangsu, Peoples R China

[2] Southeast Univ, Sch Mech Engn, Nanjing, Jiangsu, Peoples R China

[3] Hangzhou Kaierda Elect Welder CO LTD, Hangzhou, Zhejiang, Peoples R China

[4] Zhongtian Alloy Technol CO LTD, Nantong, Jiangsu, Peoples R China

来源：

JOINT CONFERENCES OF 2017 INTERNATIONAL CONFERENCE ON MATERIALS SCIENCE AND ENGINEERING APPLICATION (ICMSEA 2017) AND 2017 INTERNATIONAL CONFERENCE ON MECHANICS, CIVIL ENGINEERING AND BUILDING MATERIALS (MCEBM 2017) | 2017年 / 124卷

关键词：

Co-Ni-Al; Magnetic shape memory alloy; Microstructure; Micro-hardness;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In this paper, the microstructure, phase structure, hardness and micro-hardness of Co37+xNi34-xAl29(x=0,1,2,3) alloys studied by optical micrograph, X-ray diffraction, hardness test and compressive test. The results show that the beta phase and gamma phase coexist within Co37+xNi34-xAl29(x=0,1,2,3) alloys. The gamma phase at the grain boundary became coarse with Co content increasing. Meanwhile, the grain size of alloy decreases with Co content increasing. The hardness of Co-Ni-Al alloy decrease first and then increase with Co content rising. The micro-hardness of gamma and beta phase in Co38Ni33Al29 alloy is 454 HV and 713 HV, respectively.

引用

页数：5

共 34 条

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