کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1568902 | 1514248 | 2008 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Interaction processes between vacancies and dislocations in molybdenum in the temperature range around 0.3 of the melting temperature
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی هسته ای و مهندسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Interaction processes between vacancies and dislocations in molybdenum in the temperature range around 0.3 of the melting temperature Interaction processes between vacancies and dislocations in molybdenum in the temperature range around 0.3 of the melting temperature](/preview/png/1568902.png)
چکیده انگلیسی
Mechanical spectroscopy, electrical resistivity and transmission electron microscopy studies have been performed on pre-strained neutron irradiated single crystalline molybdenum in order to check the interaction processes between vacancies and dislocations in the temperature range between room temperature and 1273Â K. The anelastic relaxation in molybdenum which appears between 800Â K and 1273Â K has been separated in two different physical mechanisms depending on the temperature of appearance of the relaxation peak. The physical mechanism which controls the damping peak appearing at around 800Â K was related with the dragging of jogs by the dislocation under movement assisted by vacancy diffusion. The damping peak which appears at higher temperatures of about 1000Â K was more consistent with the formation and diffusion of vacancies assisted by the dislocation movement.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Nuclear Materials - Volume 380, Issues 1â3, 15 October 2008, Pages 111-119
Journal: Journal of Nuclear Materials - Volume 380, Issues 1â3, 15 October 2008, Pages 111-119
نویسندگان
G.I. Zelada-Lambri, O.A. Lambri, P.B. Bozzano, J.A. GarcÃa, C.A. Celauro,