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Study on magnetic abrasive finishing process of AlSi10Mg alloy curved surface formed by selective laser melting

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Abstract

In this paper, AlSi10Mg alloy powder is selected as the forming powder of Selective laser melting technology, and the AlSi10Mg alloy SLM curved surface sample is constructed by setting the internal and external layering parameters. In view of the relatively rough surface roughness of SLM technology molded parts, this paper selects the magnetic finishing technology with higher flexibility characteristics to perform surface finishing and finishing on the formed curved surface samples. Explore the feasibility of magnetic finishing technology on the finishing of SLM shaped curved parts, and test and analyze the surface roughness, surface hardness and hydrophobicity of the finishing permanent magnet tools and the curved surface samples before and after finishing. Finally, it was found that the use of a 75° trapezoidal slotted permanent magnet finishing tool to absorb spherical Al2O3 magnetic abrasives for flexible finishing of AlSi10Mg alloy SLM shaped curved surface samples can achieve better finishing results. In this paper, the orthogonal experiment method is used to optimize the finishing experiment. It is found that the finishing parameters of the spindle speed is 1800 r/min, the feed rate is 5 mm/min, the gap is 2 mm, and the abrasive consumption is 7 g to form the AlSi10Mg alloy SLM. The surface roughness Ra = 0.279 μm can be obtained by magnetic finishing of the curved sample, and the surface morphology of the sample has been greatly improved. At the same time, it is found that the magnetic finishing technology improves the surface roughness of the AlSi10Mg alloy SLM forming surface sample, while it does not change the surface hardness of the sample, but it can significantly improve the hydrophobicity of the sample surface.

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Acknowledgements

This work is supported by the National Natural Science Foundation of China (No. 51675316).

Funding

This work is supported by the National Natural Science Foundation of China (No. 51675316).

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Authors and Affiliations

  1. School of Mechanical Engineering, Shandong University of Technology, Zibo, 255000, China

    Yuntao Cui, Guixiang Zhang, Tonglei Cui, Peixin Zhu, Jiajing Du, Ning Liu & Haoxin Chen

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  1. Yuntao Cui
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  2. Guixiang Zhang
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  3. Tonglei Cui
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  4. Peixin Zhu
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  5. Jiajing Du
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  6. Ning Liu
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  7. Haoxin Chen
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Contributions

YC contributed the experiment and result analysis of the whole paper, and completed the manuscript writing, comment writing and editing. GZ contributed to the writing of the review, editing, and funding acquisition. TC, PZ, JD, NL and HC contributed to the review and editing with the order provided.

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Correspondence to Guixiang Zhang.

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Cui, Y., Zhang, G., Cui, T. et al. Study on magnetic abrasive finishing process of AlSi10Mg alloy curved surface formed by selective laser melting. Int J Adv Manuf Technol 118, 3315–3330 (2022). https://doi.org/10.1007/s00170-021-08138-4

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