کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1601120 | 1005186 | 2010 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Shape memory effect and pseudoelasticity of TiPt
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Martensitic transformation behavior and shape memory properties of Ti-50at%Pt were investigated using high-temperature X-ray diffractometry and loading-unloading compression tests. The structure of the parent and martensite phases was identified as B2 and B19, respectively. Changes in the lattice parameters of the martensite phase were investigated as a function of temperature. Applying the lattice parameter changes, the volume strain between B19 and B2 phases at 1473Â K was estimated at 2.5%. The compression test was carried out at room temperature and at 1123Â K. Strain was precisely measured using a strain gage for the test at room temperature and a CCD camera for the test at 1123Â K. Strain recovery was observed during unloading at room temperature and at 1123Â K, which was below the martensite temperature. Shape recovery was investigated for the samples tested at room temperature and at 1123Â K by heating at 1523Â K for 1Â h. It was found that the strain recovery rate was 30-60% for the samples tested at room temperature and about 11% for the samples tested at 1123Â K.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Intermetallics - Volume 18, Issue 12, December 2010, Pages 2275-2280
Journal: Intermetallics - Volume 18, Issue 12, December 2010, Pages 2275-2280
نویسندگان
Y. Yamabe-Mitarai, T. Hara, S. Miura, H. Hosoda,