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Author:

聂祚仁 (聂祚仁.) | 胡继飞 (胡继飞.) | 魏午 (魏午.) | 黄晖 (黄晖.) | 荣莉 (荣莉.) | 吴晓蓝 (吴晓蓝.) | 毕舰磊 (毕舰磊.) | 翟玉妍 (翟玉妍.)

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zhihuiya

Abstract:

一种3D打印的Al‑Mg合金中异质结构的制备方法,属于金属3D打印专技术领域。按照质量百分比计算,该合金的成分为:Mg含量为4~8%,Mn含量为0.4~0.8%,Er含量为0.3~0.5%,Zr含量为1.0~1.3%,其余为Al;通过添加合金元素Er,Zr,在3D打印的快速凝固过程中的熔池边界析出Al3(Er,Zr)析出相,形成细小等轴晶,与熔池中心的大尺寸柱状晶形成柱状异质结构。本发明所制备的合金,与其他Al‑Mg合金相比,可以降低快速凝固过程中的裂纹密度并且形成柱状异质结构,时效过程中析出细小且分散的Al3(Er,Zr)纳米粒子,起到析出强化和固定位错的作用,具有优异力学性能。

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Patent Info :

Type: 发明申请

Patent No.: CN202311579282.0

Filing Date: 2023-11-23

Publication Date: 2024-02-09

Pub. No.: CN117532013A

Applicants: 北京工业大学

Legal Status: 实质审查

Cited Count:

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ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 1

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