توجه: محتویات این صفحه به صورت خودکار پردازش شده و مقاله‌های نویسندگانی با تشابه اسمی، همگی در بخش یکسان نمایش داده می‌شوند.
۱Improving tribological and corrosion properties of Aluminum–CNT surface nano composite fabricated via Friction Stir Processing
نویسنده(ها): ، ، ،
اطلاعات انتشار: سومین کنفرانس بین‌المللی آلومینیوم ایران IIAC2014، سال
تعداد صفحات: ۷
Poor wear resistance and low hardness of Aluminum alloy 1200 (AA–1200) limits its industrial application.In this research, Aluminum–Carbon Nano Tube (Al\CNT) surface nano composite was fabricated via Friction Stir Processing (FSP) technique. Microstructural studies illustrated that with the increase of CNT contents from 4 to 18vol.% the grain size decreased from 30±5μm in the substrate to 10±2μm in the processed zone. Microhardness evaluations indicated that dispersed CNT in the composite layer increased the hardness up to 70% of the base metal. Potentiodynamic polarization tests revealed that with the increase of CNT contents, corrosion resistance decreased, while wear resistance improved with increasing of CNT content. SEM studies showed a relatively uniform distribution of CNT in the matrix with 10vol.% of CNT, but agglomeration of CNT occurs with higher contents of CNT.<\div>
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