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增材制造铝硅镁铝合金的微铣削加工

Micro-Milling of Additively Manufactured Al-Si-Mg Aluminum Alloys.

作者信息

He Qiongyi, Kang Xiaochong, Wu Xian

机构信息

School of Mechanical Engineering, Tianjin University of Technology and Education, Tianjin 300350, China.

Jimei Industrial College, Xiamen 361022, China.

出版信息

Materials (Basel). 2024 Jun 1;17(11):2668. doi: 10.3390/ma17112668.

DOI:10.3390/ma17112668
PMID:38893932
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11173825/
Abstract

Additively manufactured aluminum alloy parts attract extensive applications in various felids. To study the machinability of additively manufactured aluminum alloys, micro-milling experiments were conducted on the additively manufactured AlSi7Mg and AlSi10Mg. By comparing the machinability of Al-Si-Mg aluminum alloys with different Si content, the results show that due to the higher hardness of the AlSi10Mg, the cutting forces are higher than the AlSi7Mg by about 11.8% on average. Due to the increased Si content in additively manufactured Al-Si-Mg aluminum alloys, the surface roughness of AlSi10Mg is 26.9% higher than AlSi7Mg on average. The burr morphology of additively manufactured aluminum alloys in micro-milling can be divided into fence shape and branch shape, which are, respectively, formed by the plastic lateral flow and unseparated chips. The up-milling edge exhibits a greater burr width than the down-milling edge. Due to the better plasticity of AlSi7Mg, the burr width of the down-milling edge is 28.1% larger, and the burr width of the up-milling edge is 10.1% larger than the AlSi10Mg. This research can provide a guideline for the post-machining of additively manufactured aluminum alloys.

摘要

增材制造的铝合金零件在各个领域有着广泛的应用。为了研究增材制造铝合金的可加工性，对增材制造的AlSi7Mg和AlSi10Mg进行了微铣削实验。通过比较不同Si含量的Al-Si-Mg铝合金的可加工性，结果表明，由于AlSi10Mg硬度较高，其切削力平均比AlSi7Mg高约11.8%。由于增材制造的Al-Si-Mg铝合金中Si含量增加，AlSi10Mg的表面粗糙度平均比AlSi7Mg高26.9%。增材制造铝合金在微铣削中的毛刺形态可分为栅栏形和分支形，分别由塑性横向流动和未分离切屑形成。顺铣刃的毛刺宽度比逆铣刃大。由于AlSi7Mg的塑性较好，逆铣刃的毛刺宽度比AlSi10Mg大28.1%，顺铣刃的毛刺宽度比AlSi10Mg大10.1%。该研究可为增材制造铝合金的后续加工提供指导。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/770857aff588/materials-17-02668-g011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/1e02e1f7e4a4/materials-17-02668-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/a836b73608ba/materials-17-02668-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/b41c25d27375/materials-17-02668-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/e57aa428e2ca/materials-17-02668-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/c1dea0fbe369/materials-17-02668-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/3d924e10a0be/materials-17-02668-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/5de11d9241d6/materials-17-02668-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/5bfa1458cea7/materials-17-02668-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/59241c8f27fb/materials-17-02668-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/770857aff588/materials-17-02668-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/49fc968b381e/materials-17-02668-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/1e02e1f7e4a4/materials-17-02668-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/a836b73608ba/materials-17-02668-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/b41c25d27375/materials-17-02668-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/e57aa428e2ca/materials-17-02668-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/c1dea0fbe369/materials-17-02668-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/3d924e10a0be/materials-17-02668-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/5de11d9241d6/materials-17-02668-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/5bfa1458cea7/materials-17-02668-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/59241c8f27fb/materials-17-02668-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01f9/11173825/770857aff588/materials-17-02668-g011.jpg

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本文引用的文献

1
Investigation of Surface Integrity of Selective Laser Melting Additively Manufactured AlSi10Mg Alloy under Ultrasonic Elliptical Vibration-Assisted Ultra-Precision Cutting.超声椭圆振动辅助超精密切削下选择性激光熔化增材制造AlSi10Mg合金的表面完整性研究
Materials (Basel). 2022 Dec 13;15(24):8910. doi: 10.3390/ma15248910.