Functional Properties of Highly Textured Fe-Ni-Co-Al-Ti-B Shape Memory Alloy Wires

被引：4
|
作者：
Sobrero, C. [1 ,2 ]
Remich, V. [1 ]
Cassineiro, J. [2 ]
Giordana, M. F. [2 ]
Faria, G. Abreu [3 ]
Liehr, A. [1 ]
Freudenberger, J. [4 ,5 ]
Niendorf, T. [1 ]
Krooss, P. [1 ]
机构：
[1] Univ Kassel, Inst Mat Engn, D-34125 Kassel, Germany
[2] Univ Nacl Rosario, Inst Phys Rosario, CONICET, RA-2000 Rosario, Argentina
[3] Hereon Helmholtz Zentrum, Deutsch Elektronen Synchrotron DESY, D-22607 Hamburg, Germany
[4] Leibniz IFW Dresden, Helmholtzstr 20, D-01069 Dresden, Germany
[5] TU Bergakademie Freiberg, Inst Mat Sci, Gustav Zeuner Str 5, D-09599 Freiberg, Germany
来源：
SHAPE MEMORY AND SUPERELASTICITY | 2023年 / 9卷 / 03期
关键词：
Shape memory alloys; Precipitation; Texture; Ageing; Microstructure; HETEROGENEOUS LAMELLA STRUCTURE; HIGH-ENTROPY ALLOYS; HEAT-TREATMENT; SUPERELASTICITY; PRECIPITATION; TEMPERATURE; ENHANCEMENT; DEGRADATION; ORIENTATION;
D O I：
10.1007/s40830-023-00449-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of thermomechanical treatments on grain size and precipitate evolution as well as their impact on the shape memory properties of cold-drawn Fe-41-Ni-28-Co-17-Al-11.5-Ti-2.5-B-0.05 (at. %) wires were studied. Cold drawing produces a strong {hkl} < 111 > /{hkl} < 001 > texture in this alloy. Different thermal treatments promote the evolution of specific recrystallisation textures as well as grain growth, while ageing at 600 degrees C to 650 degrees C leads to the formation of gamma' precipitates. Variation in size and distribution of the precipitates via ageing significantly affect the functional properties. A maximum transformation strain of 1.3% without fracture was obtained on sample tested on heating-cooling experiments.
引用
收藏
页码：531 / 541
页数：11
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