کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6702878 1428505 2018 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Comparison of cutting mechanism when machining micro and nano-particles reinforced SiC/Al metal matrix composites
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی عمران و سازه
پیش نمایش صفحه اول مقاله
Comparison of cutting mechanism when machining micro and nano-particles reinforced SiC/Al metal matrix composites
چکیده انگلیسی
Recently, metal matrix composites (MMCs) reinforced with nano-particles receive increasing attention from academia and industries. The cutting mechanism of nano MMCs is believed to be different when compared to composites reinforced with micro particles. This paper presents cutting mechanism comparison between SiC/Al metal matrix composites (MMCs) reinforced with micro and nano-particles using finite element method. The cutting mechanisms are investigated in terms of the von Mises stress distribution, tool-particles interaction, chip formation mechanism and surface morphology. It is found that the particles in nano size remained intact without fracture during the cutting process and are more likely to produce continuous chips, while the particles in micro size are easy to break and tend to form discontinues chips. Better machined surface quality with less defects can be obtained from nano size reinforced MMCs compared with their micro size counterparts. The model validation was carried out by conducting machining experiments on two types of MMCs and good agreements are found with the simulation results.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composite Structures - Volume 203, 1 November 2018, Pages 636-647
نویسندگان
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