On the origin of the two-stage behavior of the martensitic transformation of Ti50Ni25Cu25 shape memory melt-spun ribbons

被引：36

作者：

Rösner, H

Shelyakov, AV

Glezer, AM

Schlossmacher, P

机构：

[1] Forschungszentrum Karlsruhe, Inst Mat Forsch 1, D-76021 Karlsruhe, Germany

[2] Moscow Engn Phys Inst, Dept Solid State Phys, Moscow 115409, Russia

[3] IP Bardin Cent Ferrous Met Res Inst, Inst Phys Met, Moscow 107005, Russia

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2001年 / 307卷 / 1-2期

关键词：

TiNi-based; shape memory alloys; melt-spinning; transformation behavior;

D O I：

10.1016/S0921-5093(00)01957-2

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The observation of two successive stages in the martensitic transformation of Ti50Ni25Cu25 shape memory melt-spun ribbons after long-term annealing was formerly reported (H. Rosner, A.V. Shelyakov, A.M. Glezer, It. Felt, P. Schlossmacher, Mater. Sci. Eng. A273-275 (1999) 733). Microstructural investigations revealed the formation of thin plate-like precipitates. It was concluded that the two-stage transformation behavior is governed by the precipitation of these thin plates. Recent experiments are presented which now show that a change of transformation behavior call occur in the course of isothermal heat treatments owing to a crystalline surface layer in the as-spun state of melt-spun ribbons. The previous interpretation of the two-stage transformation behavior considering the influence of plate-like precipitates is corrected in this communication. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：188 / 189

页数：2

共 2 条

[1]

MATVEEVA NM, 1989, IZVESTIYA AN SSSR ME, V4, P171

[2] A study of an amorphous-crystalline structured Ti-25Ni-25Cu (at.%) shape memory alloy [J].

Rösner, H ;

Shelyakov, AV ;

Glezer, AM ;

Feit, K ;

Schlossmacher, P .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1999, 273 :733-737

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