On the Impact of γ′ Precipitates on the Transformation Temperatures in Fe-Ni-Co-Al-Ti-B Shape Memory Alloy Wires

被引：4

作者：

Cassinerio, Juan ^{[1
]}

Giordana, Maria Florencia ^{[1
]}

Zelaya, Eugenia ^{[2
]}

Remich, Viktor ^{[3
]}

Krooss, Philipp ^{[3
]}

Freudenberger, Jens ^{[4
,5
]}

Niendorf, Thomas ^{[3
]}

Sobrero, Cesar E. ^{[1
]}

机构：

[1] Natl Univ Rosario, Phys Inst Rosario, Phase Transformat & Mech Properties Grp, CONICET, Rosario, Argentina

[2] Natl Commiss Atom Energy, Bariloche Atom Ctr, Av Bustillo 9500, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina

[3] Univ Kassel, Inst Mat Engn, Moenchebergstr 3, D-34125 Kassel, Germany

[4] Leibniz IFW Dresden, Helmholtzstr 20, D-01069 Dresden, Germany

[5] Tu Bergakademie Freiberg, Inst Mat Sci Agh, Gustav Zeuner Str 5, D-09599 Freiberg, Germany

来源：

SHAPE MEMORY AND SUPERELASTICITY | 2024年 / 10卷 / 01期

关键词：

Fe-Based SMA; Martensitic transformation; Precipitates; MARTENSITIC-TRANSFORMATION; SINGLE; BEHAVIOR;

D O I：

10.1007/s40830-023-00470-w

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of precipitation on the martensitic transformation temperatures of cold drawn Fe-41-Ni-28-Co17-Al-11.5-Ti-2.5-B-0.05 (at. %) wires was studied. To promote the evolution of gamma ' precipitates ageing at 600 degrees C, 650 degrees C and 700 degrees for times varying between 1 and 24 h was performed. Variation in the size and distribution of the precipitates via ageing significantly affects the transformation temperatures as the Ni content in the matrix is altered. The different sizes and distributions of the precipitates affects the austenite finish temperature, which is around room temperature and can be modified by approximately 100 degrees C.

引用

页码：37 / 44

页数：8

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