کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1601264 1005190 2010 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
In situ phase separation and flow behavior in the glass transition region
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
In situ phase separation and flow behavior in the glass transition region
چکیده انگلیسی
The temperature dependence of length change and viscous flow of the Cu36Zr48Al8Ag8 glassy alloy is examined in both the glass transition and supercooled liquid regions. Moreover, this alloy is found to exhibit phase separation rather by binodal mechanism in the glassy phase prior to crystallization. There is an apparent decrease in viscosity observed upon crystallization that is connected with the densification of the sample, but the intrinsic viscosity does not rise significantly until the initial crystallization process is almost complete. During the process the partly crystallized supercooled liquid still behaves like a fluid until a large fraction of the crystalline phase (∼90%) is formed. This new insight on flow behavior opens up possibilities for innovative processing of precise bulk shapes with high nanocrystal densities.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Intermetallics - Volume 18, Issue 6, June 2010, Pages 1235-1239
نویسندگان
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