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مجله مواد الکترونیکی 2013
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • effect of alloying elements on the electrification–fusion phenomenon in sn-based eutectic alloys

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    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 796
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    • شماره تماس دبیرخانه رویداد: -
     the effect of alloying elements on the electrification–fusion phenomenon in sn-based eutectic alloys (sn-9zn and sn-37pb) under alternating current was investigated in this study. experimental results showed that the critical fusion current densities (cfcd) of sn-based alloys were closely related to both the conductivity of the individual phase and the eutectic temperature. while the electrical current density value required to trigger microstructural evolution for the sn-9zn alloy was larger than the cfcd of pure sn (1399 a/cm2), that for the sn-37pb alloy was not. through in situexamination of the microstructural evolution during electrification–fusion tests, the initial liquation site emerged from individual sn-based eutectic phase (i.e., the sn/zn eutectic phase or sn/pb eutectic phase); the liquation regions in the sn/zn eutectic phase and β-sn phase of the sn-9zn alloy were not concentrated over the observation area. the liquation regions in the sn/pb eutectic phase and β-sn phase of the sn-37pb alloy were extensively distributed over the observation area. according to the fusion distributed density at the observation area, the sn-9zn alloy has great potential to replace the sn-37pb alloy in future electrification applications.

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