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.
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页数：5
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