کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
10646190 1001215 2011 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Deformation mechanism maps for micro-grained, ultrafine-grained, and nano-grained materials
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد دانش مواد (عمومی)
پیش نمایش صفحه اول مقاله
Deformation mechanism maps for micro-grained, ultrafine-grained, and nano-grained materials
چکیده انگلیسی
▶ It is shown that a deformation mechanism map based on grain size can provide an overall presentation of the domains of Coble creep, superplastic flow (micrograin superplastic flow and high-strain rate superplastic flow), and nanograin deformation; and that the boundaries in this map are essentially independent of temperature. ▶ According to the map, triple-junction creep will always predominate at grain sizes smaller than those characterizing Coble creep. ▶ Experimental data reported for nanocrystalline Cu and nanocrystalline Ni along with those available for high-strain rate superplasticity and micrograin superplasticity fall into the correct fields of the map.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science and Engineering: A - Volume 528, Issue 3, 25 January 2011, Pages 1431-1435
نویسندگان
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