Volume 30 Issue 1
Jan.  2015
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LI Shi-feng, WEI Gang, SUN Fei-yan, LIU Qiang-jun, HE Ai-jie, CHEN Yong-xi. Detail-structure optimization of single crystal turbine blade underthe condition of geometric and dynamic constraints[J]. Journal of Aerospace Power, 2015, 30(1): 90-95. doi: 10.13224/j.cnki.jasp.2015.01.013
Citation: LI Shi-feng, WEI Gang, SUN Fei-yan, LIU Qiang-jun, HE Ai-jie, CHEN Yong-xi. Detail-structure optimization of single crystal turbine blade underthe condition of geometric and dynamic constraints[J]. Journal of Aerospace Power, 2015, 30(1): 90-95. doi: 10.13224/j.cnki.jasp.2015.01.013

Detail-structure optimization of single crystal turbine blade underthe condition of geometric and dynamic constraints

doi: 10.13224/j.cnki.jasp.2015.01.013
  • Received Date: 2013-09-11
  • Publish Date: 2015-01-28
  • Take the air inlet window of blade tenon as detail-structure optimization object, the relationship model between maximum cast residual stress and structure parameters and temperature were established by the simulation of cast residual stress field of single crystal turbine blade based on the recrystallization critical stress of DD6 single crystal superalloy. The detail-structure optimization of air inlet window of blade tenon was studied under the conditions of geometric and dynamic constraints. Finally, through the analysis and comparison with the actual air window of blade tenon, this method was effectively verified. The results show that the maximum cast residual stress of optimized air inlet window of blade tenon is completely reduced by over 20%, and the recrystallization is effectively eliminated.

     

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