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VACUUM ›› 2019, Vol. 56 ›› Issue (3): 75-77.doi: 10.13385/j.cnki.vacuum.2019.03.17

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Influence of vacuum refining time on oxygen content of FGH96 powder superalloy

TIAN Guo-li, MENG Yu, ZHANG Hua-xia, WAN Xu-jie   

  1. Beijing Institute of Aviation Materials, China Aviation Industry Group Co. LTD., Beijing 100095, China
  • Received:2019-04-05 Published:2019-06-26

Abstract: For the vacuum smelting process of powder superalloy FGH96, vacuum induction degassing and pouring furnace was used for engineering smelting. The vacuum degree during refining period is controlled below 10 Pa. A kind of alumina sampler was used to sample the FGH96 superalloy during the refining process. Sampling was carried out to analyze the change process of oxygen content. Based on 5 furnace experiments, the appropriate refining time was proposed to control the oxygen content of FGH96 to a stable level.

Key words: oxygen content, powder superalloy, vacuum refining, FGH96, VIDP furnae

CLC Number: 

  • TF114
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