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بررسی رفتار عملیات حرارتی و خواص مکانیکی کامپوزیت های /Gr2024Al تولید شده با روش متالورژی پودردرجا | ||
| Journal of Algorithms and Computation | ||
| مقاله 1، دوره 43، شماره 2، مهر 2009، صفحه 177-184 اصل مقاله (460.55 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/jac.2013.7681 | ||
| نویسندگان | ||
| Arman Zare'i Bidaki؛ Farshad Akhlaghi* | ||
| چکیده | ||
| In this study, Al/Gr composites with 5,10,15,20 weight percent of graphite were produced by in-situ powder metallurgy method. The produced powder mixtures were consolidated and sintered at optimum conditions. The resultant composites were solution treated at 495?C and aged at 170?C. The influence of graphite content on the bending strength of composites was studied. The distribution of graphite in the composite fractured surfaces was studied by SEM. It was concluded that the graphite particles were uniformly distributed in the matrix alloy. The maximum hardness could be achieved by aging at 170?C for 5h and this time was independent on the content of graphite. The increased graphite content decreased the bending strength of the composite. | ||
| کلیدواژه‌ها | ||
| Strength؛ In-Situ Powder Metallurgy؛ Heat Treatment؛ Graphite Distribution؛ Al/Gr Composites | ||
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