• transient liquid phase diffusion bonding of al/mg2si metal matrix composite

    نویسندگان :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 514
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     as-cast al/mg2si metal matrix composite was joined by transient liquid phase diffusion bonding using cu interlayer at various bonding temperatures and durations. this metal matrix composite contained 15% mg2si and was produced through in situ technique by gravity casting. specific diffusion bonding process was applied as a low vacuum technique. the microstructure of joints consisted of al-α, cual2 and mg2si or al-α and mg2si depending on bonding temperature and duration. the maximum shear strength was achieved when samples were bonded at 580 °c for 120 min. micro-hardness and compositional homogeneity of joints across the bonded interface were improved with increasing the bonding duration at 560 °c and had no significant changes at 580 °c.

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