Design of simulated specimen for low-cycle fatigue of turbine engine disk

LIU Ting-yi; GENG Rui; ZHANG Jun-feng

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Design of simulated specimen for low-cycle fatigue of turbine engine disk

更新时间：2026-07-07

- Design of simulated specimen for low-cycle fatigue of turbine engine disk
- Vol. 23, Issue 1, (2008)
- 作者机构：
  
  1. 北京航空航天大学能源与动力工程学院,北京,10083
  2. 中国航空工业第一集团公司沈阳发动机设计研究所,沈阳,110015
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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LIU Ting-yi, GENG Rui, ZHANG Jun-feng. Design of simulated specimen for low-cycle fatigue of turbine engine disk[J]. 2008, 23(1).
DOI：

LIU Ting-yi, GENG Rui, ZHANG Jun-feng. Design of simulated specimen for low-cycle fatigue of turbine engine disk[J]. 2008, 23(1). DOI：

摘要

通过研究影响疲劳寿命的众多因素及寿命估算误差较大的原因

得出考核部位的应力梯度也是影响疲劳寿命的重要因素之一

并据此研究了一种模拟件

该模拟件可以根据给定应力曲线

通过优化计算几何参数

使模拟件最大主应力及应力梯度与实际构件考核部位的应力一致.其设计以ANSYS为平台.经实验验证

与实际构件寿命非常接近.该模式为机械部件低循环疲劳试验提供了一种简单且费用很少的方法.

Abstract

Based upon the research on many influential factors to the fatigue and bigger estimation error of fatigue

the stress field of actual component was proved to be a key influential factor.Aspecimen was then studied to optimize the geometric parameters through the given stress curve

so that the maximum stress and stress field correspond to the actual component stress field.Based on the platform of ANSYS

it's learnt that the simulation result is very close to the actual component life.This mode provides a simple and cost-effective solution for the component fatigue test.

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Related Institution

南昌航空大学飞行器工程学院

北京航空航天大学能源与动力工程学院

中国船舶重工集团公司第七〇三研究所

Shenyang Aero Engine Research Institute

College of Energy and Power Engineering,Nanjing University of Aeronautics and Astronautics

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