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    Please use this identifier to cite or link to this item: http://chur.chu.edu.tw/handle/987654321/34815


    Title: 鎂合金AZ31B-O薄板片在不同溫度下超塑性變形分析
    Authors: 吳泓瑜
    Wu, Horng-yu
    Contributors: 機械工程學系
    Mechanical Engineering
    Keywords: 鎂合金;細晶;超塑性;變形
    Date: 2009
    Issue Date: 2014-06-27 03:06:37 (UTC+8)
    Abstract: 本實驗以探討鎂合金AZ31B在多軸向應變狀態下之超塑性成形特性研究,在實驗中所使用AZ31B-O平均晶粒大小為5~6μm,其AZ31B-O薄板片厚度為0.6mm。成形條件以300℃和370℃不同溫度環境下,再分別以不同加壓程序產生不同成形應變速率,將板片吹入杯狀模穴中,以同條件下針對AZ31B-O材超塑性半球成形狀態。利用試片變形狀態,探討AZ31B鎂合金在多軸應變狀態之變形過程中,試片半球成形性、厚度變化、極限延伸率及晶粒組織變化等情形;藉以分析得知溫度對成形參數之影響。結果顯示,在O材在370℃下成形
    Appears in Collections:[Department of Mechanical Engineering] Seminar papers

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