Study on optimization of a NiP layer polishing process on magnetorheological finishing for metal substrate

Qilin Yang; Xiaoqiang Peng; Hao Hu

doi:10.1117/12.2604879

15 February 2022 Study on optimization of a NiP layer polishing process on magnetorheological finishing for metal substrate

Qilin Yang, Xiaoqiang Peng, Hao Hu

Author Affiliations +

Proceedings Volume 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021); 1216604 (2022) https://doi.org/10.1117/12.2604879
Event: Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 2021, Hong Kong, Hong Kong

Abstract

Due to Metal mirror’s low hardness, we coat a layer of nickel-phosphorus (NiP) layer on the surface and then polish NiP layer simpler through various methods. However, when using CeO₂ slurry in Magnetorheological Finishing(MRF), the NiP layer will appear "wise-tail" phenomenon. Based on the "double-edged circle" model, we analyze the shear force of the contact surface and optimize the polishing abrasive particles such as SiO₂. In this way, we could obtain a surface without "wise-tail" and the surface roughness reaches 1.897 nm in Ra. By orthogonal experiments, we optimize the process parametersts and certify the stability and linearity of the removal function.The experiment results prove that the MRF fluid compounded with SiO₂ could satisfy the requirements of NiP layer in magnetorheological machining.

Citation Download Citation

Qilin Yang, Xiaoqiang Peng, and Hao Hu "Study on optimization of a NiP layer polishing process on magnetorheological finishing for metal substrate", Proc. SPIE 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 1216604 (15 February 2022); https://doi.org/10.1117/12.2604879

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KEYWORDS

Polishing

Abrasives

Surface finishing

Magnetism

Magnetorheological finishing

Metals

Mirrors

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