RESEACH OF THREE-DIMENSIONAL CRACK GROWTH BASED ON DISK OF TURBO-SHAFT ENGINE

AI ShuMin; ZHAO ShuaiLei; ZHANG ZhiYi; DENG XiaoTao

doi:10.16579/j.issn.1001.9669.2018.05.036

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RESEACH OF THREE-DIMENSIONAL CRACK GROWTH BASED ON DISK OF TURBO-SHAFT ENGINE

更新时间：2022-09-22

- RESEACH OF THREE-DIMENSIONAL CRACK GROWTH BASED ON DISK OF TURBO-SHAFT ENGINE
- Journal of Mechanical Strength Vol. 40, Issue 5, Pages: 1233-1236(2018)
- 作者机构：
  
  1. 中国航发湖南动力机械研究所
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2018.05.036
  CLC：
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AI ShuMin, ZHAO ShuaiLei, ZHANG ZhiYi, et al. RESEACH OF THREE-DIMENSIONAL CRACK GROWTH BASED ON DISK OF TURBO-SHAFT ENGINE. [J]. 40(5):1233-1236(2018)
DOI：

AI ShuMin, ZHAO ShuaiLei, ZHANG ZhiYi, et al. RESEACH OF THREE-DIMENSIONAL CRACK GROWTH BASED ON DISK OF TURBO-SHAFT ENGINE. [J]. 40(5):1233-1236(2018) DOI： 10.16579/j.issn.1001.9669.2018.05.036.

摘要

为了解某涡轴发动机轮盘疲劳试验提前失效原因,采用损伤容限设计方法和Franc3D裂纹分析软件对轮盘开展了三维裂纹扩展分析,发现裂纹扩展寿命小于疲劳试验检查间隔,损伤容限设计不满足要求是导致轮盘破裂的主要因素,对损伤容限设计在工程中的应用有一定指导意义。

Abstract

Three-dimensional crack growth was analyzed using damage tolerance design-based method and Franc3D to find cause of unexpected fatigue test failure of a turboshaft engine disk,showing that the crack propagation life was shorter than the test inspection interval which proved that damage tolerance design cannot meet the requirements and it was the major cause of the failure. Present research can provide damage tolerance design guidance for engineering application.

关键词

损伤容限裂纹扩展工程应用

Keywords

Damage toleranceCrack growthEngineering application

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