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Research Status of Numerical Simulation of Electron Beam Selective Melting Thermal Behavior
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Affiliation:

1.College of Materials Science and Engineering,Xi''an University of Technology,Xi’an;2.College of Materials Science and Engineering, Chang’an University;3.College of Metallurgical and Engineering,Xi''an University of Architecture Technology,Xi''an

Clc Number:

TP391.73

Fund Project:

National Natural Science Foundation of China(NO52104341, 51874115)National Key R&D Program-National Key R&D Program Cooperation Unit Project(NO. 2021YFB3701903-03,2021YFB3701802-03)Xi

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    Abstract:

    Electron beam selective melting parts experienced complex thermal history, resulting in multi-scale microstructure. Thermal history data play an important role in analyzing microstructure formation. The complex metallurgical behavior of micro-melting pool makes it difficult to obtain the temperature-time-spatial data by experimental means. As a new technical means, numerical simulation technology provides a new idea for solving this problem. In this paper, the research status of numerical simulation of electron beam selective melting thermal behavior is reviewed from the aspects of mathematical theory of temperature field, simulation process, thermal-mechanical coupling simulation, thermodynamic simulation of molten pool and thermal defect mechanism. The challenges and future prospects of numerical simulation of electron beam selective melting thermal behavior are discussed.

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[Yang Xin, Wang Fenghui, Gu Wenping, Lai Yangkai, Sun Chenhao, Liu Shifeng, Tang Huiping. Research Status of Numerical Simulation of Electron Beam Selective Melting Thermal Behavior[J]. Rare Metal Materials and Engineering,2023,52(6):2278~2286.]
DOI:10.12442/j. issn.1002-185X.20220444

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History
  • Received:May 20,2022
  • Revised:August 23,2022
  • Adopted:September 19,2022
  • Online: July 07,2023
  • Published: June 30,2023