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VACUUM ›› 2020, Vol. 57 ›› Issue (2): 88-93.doi: 10.13385/j.cnki.vacuum.2020.02.17

• 3D Printing Technology • Previous Articles     Next Articles

Research on Warp Distortion of Inconel 625 Nickel-Based Alloys Fabricated by Laser Melting Additive Manufacturing

ZHAO Yu-hui1,2,3, ZHAO Ji-bin1,2, WANG Zhi-guo1,2   

  1. 1.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, 110016, China;
    2.Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, China;
    3.University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2019-09-02 Online:2020-03-25 Published:2020-04-24

Abstract: In order to make sure the warp distortion behaviors for laser melting additive manufacturing, the relevant laws of the warp distortion behaviors are obtained. The process of the warp distortion of Inconel 625 nickel-based alloys material is studied. The experimental results show that the size of warp distortion depends on the length of scanning path and the influences on the warp distortion are different with the different process parameters. Generally, the two directions' warp distortion will be caused during the process of laser melting additive manufacturing. Simultaneously, the size of warp distortion increases with the increase of the laser power and the scan speed. But the distortion decreases with the increase of the powder feeding.

Key words: laser technology, laser melting additive manufacturing, warp distortion, inconel 625 Nickel-based Alloys

CLC Number: 

  • TG146.2
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