• microstructure and mechanical properties of in situ tic and nd2o3 particles reinforced ti–4.5 wt.%si alloy composites

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 536
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     (tic + nd2o3)/ti–4.5 wt.%si composites were in situ synthesized by a non-consumable arc-melting technology. the phases in the composites were identified by x-ray diffraction. microstructures of the composites were observed by optical microscope and scanning electron microscope. the composite contains four phases: tic, nd2o3, ti5si3and ti. the tic and nd2o3 particles with dendritic and near-equiaxed shapes are well distributed in ti–4.5 wt.%si alloy matrix, and the fine nd2o3 particles exist in the network ti + ti5si3 eutectic cells and ti matrix of the composites. the hardness and compressive strength of the composites are markedly higher than that of ti–4.5 wt.%si alloy. when the tic content is fixed as 10 wt.% in the composites, the hardness is enhanced as the nd2o3 content increases from 8 wt.% to 13 wt.%, but the compressive strength peaks at the nd2o3 content of 8 wt.%.

سوال خود را در مورد این مقاله مطرح نمایید :

با انتخاب دکمه ثبت پرسش، موافقت خود را با قوانین انتشار محتوا در وبسایت تی پی بین اعلام می کنم
مقالات جدیدترین رویدادها
مقالات جدیدترین ژورنال ها