Thermodynamics-based method considering orientation and notch effect to predict the high cycle fatigue life of a nickel-based single crystal superalloy

Jundong Wang; Yali Zhang; Xiaoshuai Wang; Zhixun Wen; Zhufeng Yue

doi:10.1016/j.ijfatigue.2022.107452

Thermodynamics-based method considering orientation and notch effect to predict the high cycle fatigue life of a nickel-based single crystal superalloy

Jundong Wang, Yali Zhang, Xiaoshuai Wang, Zhixun Wen, Zhufeng Yue

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

The high cycle fatigue (HCF) life of DD6 at 760 ℃ was studied by performing a large number of experiments. A new thermodynamics-based life prediction method was proposed by considering the thermodynamic entropy change during the fatigue process. The model is not only suitable for smooth specimens but also can be applied to the life evaluation of notched specimens and those with different orientations. Finally, the life of an aeroengine blade with different orientations was qualitatively evaluated by the proposed model, which demonstrated that the model can be used to analyze the influence of crystal-axis deflection angle on blade life.

Original language	English
Article number	107452
Journal	International Journal of Fatigue
Volume	168
DOIs	https://doi.org/10.1016/j.ijfatigue.2022.107452
State	Published - Mar 2023

Keywords

High cycle fatigue
Life prediction
Nickel-based single crystal
Thermodynamic entropy

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10.1016/j.ijfatigue.2022.107452

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title = "Thermodynamics-based method considering orientation and notch effect to predict the high cycle fatigue life of a nickel-based single crystal superalloy",

abstract = "The high cycle fatigue (HCF) life of DD6 at 760 ℃ was studied by performing a large number of experiments. A new thermodynamics-based life prediction method was proposed by considering the thermodynamic entropy change during the fatigue process. The model is not only suitable for smooth specimens but also can be applied to the life evaluation of notched specimens and those with different orientations. Finally, the life of an aeroengine blade with different orientations was qualitatively evaluated by the proposed model, which demonstrated that the model can be used to analyze the influence of crystal-axis deflection angle on blade life.",

keywords = "High cycle fatigue, Life prediction, Nickel-based single crystal, Thermodynamic entropy",

author = "Jundong Wang and Yali Zhang and Xiaoshuai Wang and Zhixun Wen and Zhufeng Yue",

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year = "2023",

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doi = "10.1016/j.ijfatigue.2022.107452",

language = "英语",

volume = "168",

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T1 - Thermodynamics-based method considering orientation and notch effect to predict the high cycle fatigue life of a nickel-based single crystal superalloy

AU - Wang, Jundong

AU - Zhang, Yali

AU - Wang, Xiaoshuai

AU - Wen, Zhixun

AU - Yue, Zhufeng

PY - 2023/3

Y1 - 2023/3

N2 - The high cycle fatigue (HCF) life of DD6 at 760 ℃ was studied by performing a large number of experiments. A new thermodynamics-based life prediction method was proposed by considering the thermodynamic entropy change during the fatigue process. The model is not only suitable for smooth specimens but also can be applied to the life evaluation of notched specimens and those with different orientations. Finally, the life of an aeroengine blade with different orientations was qualitatively evaluated by the proposed model, which demonstrated that the model can be used to analyze the influence of crystal-axis deflection angle on blade life.

AB - The high cycle fatigue (HCF) life of DD6 at 760 ℃ was studied by performing a large number of experiments. A new thermodynamics-based life prediction method was proposed by considering the thermodynamic entropy change during the fatigue process. The model is not only suitable for smooth specimens but also can be applied to the life evaluation of notched specimens and those with different orientations. Finally, the life of an aeroengine blade with different orientations was qualitatively evaluated by the proposed model, which demonstrated that the model can be used to analyze the influence of crystal-axis deflection angle on blade life.

KW - High cycle fatigue

KW - Life prediction

KW - Nickel-based single crystal

KW - Thermodynamic entropy

UR - http://www.scopus.com/inward/record.url?scp=85145264676&partnerID=8YFLogxK

U2 - 10.1016/j.ijfatigue.2022.107452

DO - 10.1016/j.ijfatigue.2022.107452

M3 - 文章

AN - SCOPUS:85145264676

SN - 0142-1123

VL - 168

JO - International Journal of Fatigue

JF - International Journal of Fatigue

M1 - 107452

ER -

Thermodynamics-based method considering orientation and notch effect to predict the high cycle fatigue life of a nickel-based single crystal superalloy

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Keywords

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