5A30铝合金弥散析出相研究

Study on the Dispersed Phases of Al-Mg-Mn Aluminum Alloy

    摘要
  • 摘要: 本文系统研究了5A30铝合金的微观组织。结果表明,该合金显微组织中的弥散析出相并非通常认为的富Mg的β相,而是Al6Mn和Al4Mn两种富Mn相;真正的β相数量很小,其形态与富Mn相区别明显。

     

    Abstract: The microstructures of 5A30 aluminum alloy was systematically studied in this paper.It was showed that the typical dispersed particles were a kind of element Mn-rich phases including Al6Mn and Al4Mn,rather than β(Al3Mg2) phase as known usually.There are indeed a few of β precipitation particulates in the alloy and their morphologies are apparently different with those of the Mn-rich phases.

     

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