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نویسندگان مقالات پربازدید :
مواد و طراحی
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • anisotropic property of material arrangement in friction stir welding of dissimilar mg alloys

    نویسندگان :
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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 494
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     microstructure and mechanical properties of friction stir weld joints of dissimilar mg alloys az31 and az80 were investigated in the present work. several different welding parameters were adopted in the study, and the effects of rotation speed and welding speed on the joint quality were discussed comprehensively. in addition, material arrangement which means that az31 alloy was at advancing side or at retreating side has significant influence on the joint formation, including the joint microstructure and mechanical properties. a few kinds of defects were observed when the improper parameters were taken in the experiment, and the reasons for generating these defects were revealed in this work. sound joints with good mechanical properties could be easily obtained when az31 was at retreating side, but it was difficult to obtain the sound joint with the contrary material arrangement. these results suggest that the material with inferior plastic deformability should be set at the advancing side and the material with superior one should be set at the retreating side in order to get sound fsw joint of dissimilar mg alloys.

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