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VACUUM ›› 2020, Vol. 57 ›› Issue (6): 80-83.doi: 10.13385/j.cnki.vacuum.2020.06.17

• 3D Printing Technology • Previous Articles     Next Articles

Study on Oxygenation Amount of TC4 Powder for 3D Printing Prepared by Electrode Induction Gas Atomization

XIE Bo1, LI Jian-jun2, QIAO Zhong-lu2   

  1. 1.State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization, Pangang Group Research Institute Co., Ltd., Panzhihua 617000, China;
    2.Shenyang Vacuum Technology Institute Co., Ltd., Shenyang 110042, China
  • Received:2019-06-07 Online:2020-11-25 Published:2020-11-30

Abstract: The TC4 alloy powder for 3D printing was prepared using an electrode induction smelting gas atomization method (EIGA) apparatus, and the oxygen content of the powder was measured using an oxygen-nitrogen hydrogen analyzer. In this paper, the effects of vacuum degree, pressure increase rate and screening atmosphere on the oxygenation amount of TC4 powder were studied. The results show that effect on oxygenation amount of TC4 powder follows pressure increase rate>screening atmosphere>equipment vacuum. When equipment vacuum degree is 0.01Pa, pressure increase rate is 0.67Pa/h, sieved in glove box, the oxygenation amount of 15-53μm TC4 powder is 167 ppm.

Key words: oxygenation amount, TC4 powder, EIGA, 3D printing

CLC Number: 

  • TG146.2
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