کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1477684 991193 2007 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Microstructural design of sliding-wear-resistant liquid-phase-sintered SiC: An overview
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
Microstructural design of sliding-wear-resistant liquid-phase-sintered SiC: An overview
چکیده انگلیسی

We have reviewed the effect of microstructure – content of intergranular phase, grain size, and grain shape – on the lubricated, sliding-wear of pressureless liquid-phase-sintered (LPS) SiC ceramics. The sliding-wear resistance in LPS SiC decreases with an increase in the content of the intergranular phase or an increase in the equiaxed-grain coarsening. However, the sliding-wear resistance is dramatically improved with anisotropic-grain coarsening. Based on these results we suggest two strategies for the microstructural design of low-cost, sliding-wear resistant SiC-based ceramics: (1) grain refinement, and (2) grain elongation. The latter strategy allows the materials to be simultaneously in situ toughened, and we describe its optimization by judicious selection of the SiC starting powder.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of the European Ceramic Society - Volume 27, Issue 11, 2007, Pages 3351–3357
نویسندگان
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