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مواد و طراحی
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • dry sliding wear behavior of aluminum based hybrid composites with graphite nanofiber–alumina fiber

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    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 451
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     the wear behavior of aluminum based hybrid composites reinforced with graphite nanofiber (gnf) and alumina short fiber (al2o3sf) in different volume fraction of fibers (10%, 15% and 20%) was studied under dry sliding conditions. the taguchi approach to experimental design was used to identify those testing parameters that have the largest effects on wear loss and coefficient of friction of the composites. sliding distance was found to be the prominent parameter affecting wear loss; applied load affected coefficient of friction most significantly. the results of taguchi analysis indicate that wear loss increases with increasing load and sliding distance, but it is reduced with increasing sliding speed. coefficient of friction decreases with increasing applied load and sliding speed whereas it increases with increasing sliding distance. the composites with 10 vol.% and 15 vol.% of fiber had the lowest wear loss and friction because of the mixture effect of gnfs and al2o3sf. however, due to the effect of agglomerated gnfs, there was an increase in wear loss and friction at 20 vol.%.

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