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快速凝固AZ31镁合金的微观组织与力学性能

孙宇初 陈云贵

孙宇初, 陈云贵. 快速凝固AZ31镁合金的微观组织与力学性能[J]. 材料开发与应用, 2024, 39(2): 44-49.
引用本文: 孙宇初, 陈云贵. 快速凝固AZ31镁合金的微观组织与力学性能[J]. 材料开发与应用, 2024, 39(2): 44-49.
SUN Yuchu, CHEN Yungui. Microstructure and Mechanical Characteristics of Rapidly Solidified AZ31 Magnesium Alloy[J]. Development and Application of Materials, 2024, 39(2): 44-49.
Citation: SUN Yuchu, CHEN Yungui. Microstructure and Mechanical Characteristics of Rapidly Solidified AZ31 Magnesium Alloy[J]. Development and Application of Materials, 2024, 39(2): 44-49.

快速凝固AZ31镁合金的微观组织与力学性能

详细信息
    作者简介:

    孙宇初,男,1998年生,硕士研究生,研究方向为快速凝固镁合金。E-mail:yuchusun@163.com

  • 中图分类号: TG113

Microstructure and Mechanical Characteristics of Rapidly Solidified AZ31 Magnesium Alloy

  • 摘要: 基于单辊快速凝固工艺,分析了不同辊速条件下AZ31镁合金的带材组织及其250 ℃热挤压棒材的力学性能。结果表明,带材截面微观组织存在的急冷定向凝固区和缓冷等轴晶区,是受温度梯度影响产生的微观组织分区现象;熔体冷却时裹气产生隔热区,导致带材微观组织均一度降低;在17.58 m/s最优辊速条件下,AZ31镁合金的250 ℃热挤压棒材的屈服强度和伸长率分别达到360 MPa和14.47 %。

     

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出版历程
  • 收稿日期:  2023-05-14
  • 网络出版日期:  2024-05-09

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