کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1601829 1005218 2008 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Thermal properties of a reaction hot pressed Mo≤5Si3C≤1 ceramic
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
Thermal properties of a reaction hot pressed Mo≤5Si3C≤1 ceramic
چکیده انگلیسی

Mo≤5Si3C≤1 was produced via reaction hot pressing. X-ray diffraction analysis revealed c-axis crystallographic orientation in the hot pressing direction. The orientation, combined with the inherent thermal expansion anisotropy of the structure, led to preferential microcracking and an overall anisotropic thermal expansion in hot pressed ceramics. Thermal conductivity was calculated for temperatures ranging from −120 to 500 °C from measured heat capacity and thermal diffusivity. Over that range, thermal conductivity increased from ∼9.5 to ∼21.5 W/m K. Electrical resistivity measurements allowed the separation of electrical and phononic contributions and revealed that the thermal conductivity of Mo≤5Si3C≤1 was dominated by electron transport.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Intermetallics - Volume 16, Issue 9, September 2008, Pages 1047–1052
نویسندگان
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