Cyclic Superelastic Behavior of Iron-Based Fe-Ni-Co-Al-Ti-Nb Shape Memory Alloy

被引:5
|
作者
Lauhoff, C. [1 ]
Remich, V. [1 ]
Giordana, M. F. [2 ]
Sobrero, C. [2 ]
Niendorf, T. [1 ]
Krooss, P. [1 ]
机构
[1] Univ Kassel, Inst Werkstofftechn, Monchebergstr 3, D-34125 Kassel, Germany
[2] Inst Phys Rosario, UNR, IFIR, CONICET, Bv 27 Febrero 210 Bis, RA-2000 Rosario, Argentina
关键词
heat treatment; nanoprecipitates; phase transformation; shape memory materials; superelasticity; SINGLE; DEFORMATION; TRANSFORMATION; MARTENSITE; MECHANISMS;
D O I
10.1007/s11665-022-07745-w
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Iron-based shape memory alloys came into focus as promising candidate materials for large-scale structural applications owing to their cost-efficiency. In the present work, the superelastic properties of a recently introduced Fe-Ni-Co-Al-Ti-Nb shape memory alloy are investigated. For < 001 >-oriented single-crystalline material in aged condition (650 degrees/6 h), an incremental strain test reveals excellent superelasticity at -130 degrees with fully reversible strains up to about 6%. Under cycling loading at different test temperatures, however, the alloy system investigated suffers limited functional stability.
引用
收藏
页码:8593 / 8599
页数:7
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