Effect of Temperature and Strain Rate on Microstructure of Dynamically Recrystallized Ni45Co5 Mn36.7In13.3 Alloy

被引：2

作者：

Wang, Gang ^{[1
]}

Zhao, Wenru ^{[1
]}

Liu, Yandong ^{[1
]}

Wang, Chunyan ^{[1
]}

Wang, Yandong ^{[1
]}

Zuo, Liang ^{[1
]}

机构：

[1] Northeastern Univ, Minist Educ, Key Lab Anisotropy & Texture Mat, Shenyang 110004, Peoples R China

来源：

PRICM 7, PTS 1-3 | 2010年 / 654-656卷

关键词：

NiMnCoIn alloy; dynamic recrystallization; strain rate; temperature; precipitate; INDUCED PHASE-TRANSFORMATION; SHAPE-MEMORY ALLOYS; MAGNETIC-FIELD; SINGLE-CRYSTALS;

D O I：

10.4028/www.scientific.net/MSF.654-656.2188

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In recent years, there has been an increasing interest in magnetic shape memory alloys (MSMAs) due to their unique ability to produce very large output strains and rapid response frequency. NiMnCoIn is a new-type MSMAs in which a reversible magnetic-field-induced phase transformation is observed. The microstructural evolution in the process of dynamic recrystallization in polycrystalline Ni(45)Co(5)Mn(36.7)In(13.3) was studied in the present paper. The experimental results showed that the high deformation temperature and slow strain rate were necessary to achieve perfect dynamic-recrystallizing microstructure in Ni(45)Co(5)Mn(36.7)In(13.3) alloy. Precipitates with two sizes were observed. The content of Co in precipitates was higher than that in the matrix alloy, while the content of In was lower than that in the matrix alloy.

引用

页码：2188 / 2191

页数：4

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