Research on low cycle-multiaxial fatigue-creep life prediction at high temperature for turbine blade

PENG Li-qiang; WANG Jian

Chinese

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Research on low cycle-multiaxial fatigue-creep life prediction at high temperature for turbine blade

更新时间：2026-07-07

- Research on low cycle-multiaxial fatigue-creep life prediction at high temperature for turbine blade
- Vol. 24, Issue 7, (2009)
- 作者机构：
  
  大连理工大学汽车工程学院,大连,116023
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
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PENG Li-qiang, WANG Jian. Research on low cycle-multiaxial fatigue-creep life prediction at high temperature for turbine blade[J]. 2009, 24(7).
DOI：

PENG Li-qiang, WANG Jian. Research on low cycle-multiaxial fatigue-creep life prediction at high temperature for turbine blade[J]. 2009, 24(7). DOI：

摘要

针对航空发动机涡轮转子叶片工作环境

对Manson-Coffin多轴疲劳预测方程和SWT(Smith-Waston-Topper)公式进行修正

同时采用尚德广多轴疲劳损伤参量

给出涡轮叶片新的疲劳寿命预测方法

以适应涡轮叶片高温变幅非比例加载下疲劳损伤情况.通过算例计算了某涡轮叶片疲劳寿命及1000 h的总损伤

与叶片实际疲劳破坏相吻合

验证该高温多轴疲劳损伤计算模型的合理性和可行性.

Abstract

SHANG Deguang multiaxial fatigue damage model was used to amend Manson-Coffin equation of multiaxial fatigue prediction and SWT(Smith-Waston-Topper) formula

based on working condition of turbine rotor blade in aviation engine.A new method of fatigue life prediction of turbine blade was presented

which was adapted for non-proportional loading of turbine blade fatigue damage at high temperature.A case of turbine blade was calculated for fatigue life and the total damage of 1000 hours flying

in well agreement with the fact of blade fatigue damage.So the model of multiaxial fatigue prediction is rational and feasible.

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Related Institution

School of Jet Propulsion, Beijing University of Aeronautics and Astronautics

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