再制造航空发动机涡轮盘LCF寿命预测研究

Translated title of the contribution: Research on low cycle fatigue life prediction of remanufactured turbine disk on aeroengine

Changhao Wang, Shujie Liu, Yifan Wang, Hongchao Zhang

Research output: Contribution to journalArticlepeer-review

Abstract

Due to the lack of low cycle fatigue (LCF) parameter data of remanufactured turbine disk on aeroengine, it is impossible to predict the low cycle fatigue life of remanufactured turbine disk directly by using traditional life prediction method. Considering the relationship between fatigue limit and fatigue life, the life corrective factor of remanufactured turbine disk is put forward to correct the life prediction results obtained by finite element stress-strain analysis and local stress-strain method, then the life of remanufactured turbine disk is predicted. Finally, the prediction results are compared with the relevant experimental results, which proves that the prediction results are accurate.

Translated title of the contributionResearch on low cycle fatigue life prediction of remanufactured turbine disk on aeroengine
Original languageChinese
Pages (from-to)366-371
Number of pages6
JournalDalian Ligong Daxue Xuebao/Journal of Dalian University of Technology
Volume59
Issue number4
DOIs
StatePublished - Jul 1 2019

Keywords

  • Fatigue life corrective factor
  • Local stress-strain method
  • Low cycle fatigue life prediction
  • Remanufactured turbine disk

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