کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1447271 | 988640 | 2011 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Thermodynamics and kinetics of nanovoid nucleation inside elastoplastic material
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Thermodynamics and kinetics of nanovoid nucleation inside elastoplastic material Thermodynamics and kinetics of nanovoid nucleation inside elastoplastic material](/preview/png/1447271.png)
چکیده انگلیسی
Continuum thermodynamic and kinetic approaches to nanovoid nucleation as a fracture process inside elastoplastic material are developed. They include solutions to such conceptual problems as determination of the thermodynamic driving force and activation energy, and determination of the kinetic relationship between tensile fracture pressure and temperature. A kinetic pressure-temperature diagram for nanovoid nucleation is determined which, in addition to fracture, includes alternative mechanisms related to phase transformations. Fracture occurs below the kinetic melting temperature, sublimation takes place at high temperature and evaporation occurs in the intermediate range. Sublimation via virtual melting competes with fracture and evaporation.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Acta Materialia - Volume 59, Issue 18, October 2011, Pages 7051-7059
Journal: Acta Materialia - Volume 59, Issue 18, October 2011, Pages 7051-7059
نویسندگان
Valery I. Levitas, Nataliya S. Altukhova,