Microstructure, mechanical properties and shape memory effect of Ni-Mn-Ga-B high-temperature shape memory alloy

被引：16

作者：

Zhang, Xin ^{[1
]}

Liu, Qingsuo ^{[1
]}

Zeng, Xianshun ^{[1
]}

Sui, Jiehe ^{[2
]}

Cai, Wei ^{[2
]}

Wang, Haibo ^{[3
]}

Feng, Yan ^{[4
]}

机构：

[1] Tianjin Univ Technol, Sch Mat Sci & Engn, Tianjin 300384, Peoples R China

[2] Harbin Inst Technol, Natl Key Lab Precis Hot Proc Met, Harbin 150001, Peoples R China

[3] Taizhou Univ, Coll Phys & Elect Engn, Taizhou 318000, Peoples R China

[4] Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China

来源：

INTERMETALLICS | 2016年 / 68卷

基金：

中国博士后科学基金;

关键词：

Shape-memory alloys; Mechanical properties; Shape-memory the effects; Microstructure; FIELD-INDUCED STRAIN; MARTENSITIC-TRANSFORMATION; MAGNETIC-PROPERTIES; BORON;

D O I：

10.1016/j.intermet.2015.10.003

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：

The effects of boron addition on the microstructure, transformation temperature, mechanical properties and shape memory effect of (Ni54Mn25Ga21)(100-x)B-x alloys were investigated. The results showed that the martensitic transformation start temperatures M-s decreased monotonically from 465 K for x = 0-278 K for x = 3. Boron addition refined the grain and significantly enhanced the mechanical properties. The compressive fracture strain of 22.3% and reversible strain of 6.8% were obtained in (Ni54Mn25Ga21)(99.5)B-0.5 alloy. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：113 / 117

页数：5

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