کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8163386 1525222 2013 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Modeling the amorphous structure of mechanically alloyed Ti50Ni25Cu25 using anomalous wide-angle x-ray scattering and reverse Monte Carlo simulation
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
Modeling the amorphous structure of mechanically alloyed Ti50Ni25Cu25 using anomalous wide-angle x-ray scattering and reverse Monte Carlo simulation
چکیده انگلیسی
An amorphous Ti50Ni25Cu25 alloy was produced by 19 h of mechanical alloying. Anomalous wide angle x-ray scattering data were collected at six energies and six total scattering factors were obtained. By considering the data collected at two energies close to the Ni and Cu K edges, two differential anomalous scattering factors about the Ni and Cu atoms were obtained, showing that the chemical environments around these atoms are different. Eight factors were used as input data to the reverse Monte Carlo method used to compute the partial structure factors STi3Ti(K), STi-Cu(K), STi-Ni(K), SCu3Cu(K), SCu-Ni(K) and SNi-Ni(K) and the partial pair distribution functions GTi3Ti(r), GTi-Cu(r), GTi-Ni(r), GCu3Cu(r), GCu-Ni(r) and GNi-Ni(r). From the RMC final atomic configuration and Gij(r) functions, the coordination numbers and interatomic atomic distances for the first neighbors were determined.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica B: Condensed Matter - Volume 424, 1 September 2013, Pages 60-68
نویسندگان
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