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Development of microstructure simulation methods of laser cladding layer

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Abstract

Laser cladding is a new additive manufacturing technology that has emerged in recent years. It offers the advantages of a dense cladding layer structure and good bonding with the substrate, making it suitable for repairing parts surfaces and with broad application prospects. Mechanical properties are key performance indicators of the cladding layer. However, the small size and inhomogeneous structure of the cladding layer make it difficult to prepare mechanical properties tests. The microstructure is a key factor affecting the mechanical properties of the cladding layer. Therefore, it is urgent to carry out research on microstructure simulation of the laser cladding layer in order to obtain its mechanical properties. This paper provides a summary of the commonly used microstructure simulation methods, including the research achievements of phase field method, Monte Carlo (MC) method, and cellular automaton (CA) method in the microstructural simulation of laser cladding and metal solidification. The existing problems are analyzed, and the future development direction of this field is forecasted. The phase field method has high accuracy in its simulation results and does not require complex solid–liquid interface tracking, but its solution is complex, and its calculation efficiency is low due to the large calculation amount. The MC method is relatively simple to calculate and does not assume specific grains, but lacks physical basis for the quantitative analysis of the impact of various physical phenomena. The CA method is a commonly used microstructure simulation method with clear physical significance, high computational efficiency, and low cost and has broad prospects for development.

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Funding

This study was supported by the National Natural Science Foundation of China (51875409), Tianjin Education Commission Project (2020ZD08), Tianjin Innovation Team Project (XC202051), and 2021 Tianjin Graduate Scientific Research Innovation Project (2021YJSS217).

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Authors and Affiliations

  1. College of Mechanical Engineering, Tianjin University of Technology and Education, Tianjin, 300222, China

    Ganzhong Ma, Guohe Li, Feng Wang, Weijun Liu, Xitong Wu & Zhihua Shao

  2. School of Mechanical Engineering, Dalian University of Technology, Dalian, 116024, China

    Meng Liu

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GM and GL analyzed and summarized the work of relevant literatures and wrote the manuscript. ZS, WL, and XW provided some material for the manuscript and the drawing of the picture. ML and FW reviewed the manuscript.

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Correspondence to Guohe Li.

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Ma, G., Li, G., Liu, M. et al. Development of microstructure simulation methods of laser cladding layer. Int J Adv Manuf Technol 129, 1017–1034 (2023). https://doi.org/10.1007/s00170-023-12359-0

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