کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10710251 | 1024661 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Fracture mechanism of a Ni-Mn-Ga ferromagnetic shape memory alloy single crystal
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Fracture mechanism of a Ni-Mn-Ga ferromagnetic shape memory alloy single crystal Fracture mechanism of a Ni-Mn-Ga ferromagnetic shape memory alloy single crystal](/preview/png/10710251.png)
چکیده انگلیسی
Ni-Mn-Ga ferromagnetic shape memory alloys (FSMAs) have shown large magnetic-field-induced strains up to 10%. The fracture behavior of these materials under thermal and magnetic cycling has not been reported so far. An Ni-Mn-Ga single crystal exhibiting both thermal and magnetic shape memory effect was investigated in the present study. Coexistence of differently oriented martensite twinned variants and its effect on the magnetization and fracture mechanism were studied. Fracture behavior of this alloy was found to be strongly related to the martensitic transformation while the fracture surface was parallel to one of the {1Â 1Â 2} martensite twin planes. Different orientations of martensite variants were responsible for the formation of the crack network leading to fracture.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Magnetism and Magnetic Materials - Volume 285, Issue 3, January 2005, Pages 410-416
Journal: Journal of Magnetism and Magnetic Materials - Volume 285, Issue 3, January 2005, Pages 410-416
نویسندگان
Feng Xiong, Yong Liu, E. Pagounis,