کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1573628 | 1514685 | 2016 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Superplasticity from viscous flow in high Pb ternary alloy
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
دانش مواد (عمومی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
This work identifies a new superplastic alloy and proposes the responsible phenomenological model for superplastic flow based on mechanical characterization and microstructural observations. 85Pb-10Sb-5Sn exhibited unusual superplastic behavior in that it requires high homologous temperatures to experience superplastic elongations. A characteristic temperature (TGBS), where grain boundary sliding becomes dominant, was found, which differentiates superplastic from non-superplastic flow. The microstructure study revealed that localized viscous flow of the regions at certain grain boundaries and shear interfaces, followed by formation and elongation of amorphous-induced zones, is responsible for superplastic elongations.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science and Engineering: A - Volume 658, 21 March 2016, Pages 210-220
Journal: Materials Science and Engineering: A - Volume 658, 21 March 2016, Pages 210-220
نویسندگان
Harry Schoeller, Junghyun Cho,