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Simulation and experimental study on width and depth of melting pool in laser polishing Ti-6Al-4V alloy

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Abstract

The variation of melting width and depth with laser power and scanning speed was investigated experimentally to study the melting pool’s influence law during lase polishing Ti-6Al-4V alloy. A three-dimensional transient model of laser polishing was established to learn the process of linear orbital scanning in the laser polishing process deeply. The surface evolution law of melting pool under the Marangoni effect is analyzed. The changing scenario of laser melting width, depth, and surface profile morphology could be achieved by selecting three cross sections. Comparing with experimental results, the relative error between the actual data and the simulated results are 9.7% and 1.7% for melting width and depth, respectively. It is demonstrated that the three-dimensional transient model of laser polishing could be trustworthy for further analysis.

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Funding

This study was financially supported by the National Natural Science Foundation of China (No. 51905322) and the China postdoctoral Science Foundation (No. 2021T140420).

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Authors and Affiliations

  1. School of Mechanical Engineering, Shandong University of Technology, 266 Xincun West Road, Zibo, Shandong, 255049, People’s Republic of China

    Ke Che, Yanhou Liu, Jian Liu, Juan Ma & Jinguo Han

  2. Shandong Provincial Key Laboratory of Precision Manufacturing and Non-Traditional Machining, Zibo, 255049, People’s Republic of China

    Yanhou Liu & Jinguo Han

Authors
  1. Ke Che
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  2. Yanhou Liu
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  3. Jian Liu
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  4. Juan Ma
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Contributions

Ke Che: writing–original draft, experiment, investigation, writing–review and editing, and methodology; Yanhou Liu: conceptualization, writing–review and editing, and conceptualization; Jian Liu: investigation; Juan Ma: investigation; and Jinguo Han: investigation.

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Correspondence to Yanhou Liu.

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Che, K., Liu, Y., Liu, J. et al. Simulation and experimental study on width and depth of melting pool in laser polishing Ti-6Al-4V alloy. Int J Adv Manuf Technol 123, 1707–1720 (2022). https://doi.org/10.1007/s00170-022-10289-x

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