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Iranian Journal of Materials Science and Engineering، جلد ۱۸، شماره ۴، صفحات ۰-۰
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عنوان انگلیسی Characterization of Aluminum Matrix Composites Reinforced with Al2O3, SiC and Graphene Fabricated by Spark Plasma Sintering
چکیده انگلیسی مقاله In this study, aluminum matrix composites reinforced with Al2O3 and SiC nanoparticles, and graphene nanoplatelets produced by Spark Plasma Sintering (SPS) were studied. The microstructural and mechanical properties of the composites were evaluated by changing the amounts of the reinforcing materials. The SEM images showed that the reinforcing particles were more distributed in the grain boundary regions. According to the results, the addition of alumina and SiC to the matrix caused an increase in the composite density whereas the composite density decreased by adding graphene nanoplatelets. The highest relative density of 96.3% was obtained for the composite containing 2 wt% Al2O3. The presence of the reinforcing particles increased the hardness of all the samples compared to the pure aluminum (39 HV). The composite containing 1 wt.% Al2O3, 0.7 wt.% SiC, and 0.3 wt.% graphene showed the highest hardness of 79 HV. Moreover, the plastic deformation of the specimens decreased and the slope of the plastic region increased by adding the reinforcing particles to the matrix.
کلیدواژه‌های انگلیسی مقاله Al composite,Spark Plasma Sintering,graphene nanoplatelets,Al2O3 and SiC
نویسندگان مقاله | Mohammad Jafaripour
Faculty of Materials and Metallurgical Engineering, Semnan University


| Hassan Koohestani
Faculty of Materials and Metallurgical Engineering, Semnan University


| Behrooz Ghasemi
Faculty of Materials and Metallurgical Engineering, Semnan University
نشانی اینترنتی http://ijmse.iust.ac.ir/browse.php?a_code=A-10-1738-1&slc_lang=en&sid=1
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زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده گروه مهندسی مواد . مباحث ویژه
نوع مقاله منتشر شده Research Paper
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