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    Investigation into Spatter Particles and Their Effect on the Formation Quality During Selective Laser Melting Processes

    Zhiqiang Wang1, Xuede Wang1, Xin Zhou1,*, Guangzhao Ye2, Xing Cheng1,3, Peiyu Zhang1

    CMES-Computer Modeling in Engineering & Sciences, Vol.124, No.1, pp. 243-263, 2020, DOI:10.32604/cmes.2020.09934

    Abstract During the selective laser melting process, a high-energy laser beam acts on the powder, a molten pool is rapidly generated and the characteristic parameters are constantly changing. Among them, temperature is one of the important parameters in the forming process. Due to the generation of splash particles, there will be defects in the microstructure, which will seriously affect the formation quality of the prepared parts. Therefore, it is necessary to study the relationships between the splash behavior, molten pool characteristics and product quality. The finite element simulation of the transient temperature field was performed by ANSYS software. Time-series images at… More >

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