Mechanical properties of Al-Gr composite produced by two ways:SPS and cold pressed and sintered in furnace
محل انتشار: چهارمین کنفرانس بین المللی کامپوزیت
سال انتشار: 1393
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 504
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شناسه ملی سند علمی:
COMPOSIT04_120
تاریخ نمایه سازی: 22 مهر 1394
چکیده مقاله:
To produce aluminum matrix composite reinforced with graphite particles,mixing of pure aluminum and graphitepowders by a new method called homogenization in liquid phase was performed. The graphite content was chosen from zero to 4.5 percent by weight of graphite in this study. Composite samples were produced using the dried powder by two ways: spark plasmasintering (SPS) and cold pressing and thereafter sintering in a vacuum furnace under different pressure, temperature and time.To investigate the mechanical properties of samples,compression,hardness were performed. Finally, the microstructure was investigatedby OM and SEM.Based on the results and observations it was cleared that distribution of graphite particles was much better than other methods. Thus threefold compression strength in comparison with other mixing methods and dramatically improved wear property were obtained as the addition of graphite reaches 3 percentby weight.
کلیدواژه ها:
نویسندگان
H Pakdell Noghabi
Msc. Student, Department of Materials Engineering,Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
S.A Sajjadi
Professor, Department of Materials Engineering,Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
A Babakhani
Associate Professor, Department of Materials Engineering,Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran