Characterization of the shape memory properties of a Ni45.3Ti39.7Hf10Pd5 alloy

被引：39

作者：

Acar, E. ^{[1
,4
]}

Karaca, H. E. ^{[1
]}

Tobe, H. ^{[1
]}

Noebe, R. D. ^{[2
]}

Chumlyakov, Y. I. ^{[3
]}

机构：

[1] Univ Kentucky, Dept Mech Engn, Lexington, KY 40506 USA

[2] NASA, Glenn Res Ctr, Struct & Mat Div, Cleveland, OH 44135 USA

[3] Tomsk State Univ, Siberian Phys Tech Inst, Tomsk 634050, Russia

[4] Erciyes Univ, TR-38039 Kayseri, Turkey

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2013年 / 578卷

关键词：

NiTiHfPd alloys; Microstructure; TWSME; High work output; High strength SMAs; Shape memory alloys; NITIHFPD SINGLE-CRYSTALS; INDUCED MARTENSITIC-TRANSFORMATION; COMPRESSIVE RESPONSE; ELECTRON-MICROSCOPY; BEHAVIOR; STRENGTH; SUBSTRUCTURE;

D O I：

10.1016/j.jallcom.2013.06.030

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 load-biased shape memory and superelastic responses of a Ni45.3Ti39.7Hf10Pd5 polycrystalline alloy were investigated in compression. Transformation strain of up to 4.6% and work output of up to 29 J cm(-3) were determined from load-biased thermal cycling experiments. The alloy showed good superelastic behavior at 90 degrees C with recoverable strain of over 4%. It was also determined that the Ni45.3Ti39.7Hf10Pd5 alloy could develop two-way shape memory strain of 1.6% without an intense training process. Transmission electron microscopy (TEM) revealed that the internal twins formed in the martensite variants were < 0 1 1 > type II twins. (c) 2013 Elsevier B.V. All rights reserved.

引用

页码：297 / 302

页数：6

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