Non-destructive prediction method of creep damage and remnant life related to those under creep-fatigue interactive conditions for nickel base superalloys

A. Ando; A. Toshimitsu Yokobori; R. Sugiura; T. Ohmi; G. Ozeki; T. Matsubara

doi:10.1179/0960340914Z.00000000067

Non-destructive prediction method of creep damage and remnant life related to those under creep-fatigue interactive conditions for nickel base superalloys

A. Ando, A. Toshimitsu Yokobori, R. Sugiura, T. Ohmi, G. Ozeki, T. Matsubara

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

2 Citations (Scopus)

Abstract

In order to clarify the microdamage formation behaviour for high temperature brittle IN100 alloy, a polycrystalline nickel base superalloy, in situ observational test was carried out to observe creep damage formation behaviour of a notched IN100 specimen. Furthermore, the experimental findings of creep damage formation were evaluated by an original elastic-plastic creep finite element analysis. As a result, microcracks and damage forming areas were found to develop in the creep damage areas suggested by this analysis. This has resulted in the development of a non-destructive prediction method for creep damage accumulation and material's remnant life. The application of this method to the cases under creep-fatigue conditions was addressed.

Original language	English
Pages (from-to)	266-275
Number of pages	10
Journal	Materials at High Temperatures
Volume	32
Issue number	3
DOIs	https://doi.org/10.1179/0960340914Z.00000000067
Publication status	Published - 2015 May 1

Keywords

Creep damage
Micro slurry-jet erosion
Microdamage
Nickel base superalloy
Non-destructive prediction
Remnant life

ASJC Scopus subject areas

Ceramics and Composites
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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title = "Non-destructive prediction method of creep damage and remnant life related to those under creep-fatigue interactive conditions for nickel base superalloys",

abstract = "In order to clarify the microdamage formation behaviour for high temperature brittle IN100 alloy, a polycrystalline nickel base superalloy, in situ observational test was carried out to observe creep damage formation behaviour of a notched IN100 specimen. Furthermore, the experimental findings of creep damage formation were evaluated by an original elastic-plastic creep finite element analysis. As a result, microcracks and damage forming areas were found to develop in the creep damage areas suggested by this analysis. This has resulted in the development of a non-destructive prediction method for creep damage accumulation and material's remnant life. The application of this method to the cases under creep-fatigue conditions was addressed.",

keywords = "Creep damage, Micro slurry-jet erosion, Microdamage, Nickel base superalloy, Non-destructive prediction, Remnant life",

author = "A. Ando and Yokobori, {A. Toshimitsu} and R. Sugiura and T. Ohmi and G. Ozeki and T. Matsubara",

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T1 - Non-destructive prediction method of creep damage and remnant life related to those under creep-fatigue interactive conditions for nickel base superalloys

AU - Ando, A.

AU - Yokobori, A. Toshimitsu

AU - Sugiura, R.

AU - Ohmi, T.

AU - Ozeki, G.

AU - Matsubara, T.

N1 - Publisher Copyright: © W. S. Maney & Son Ltd. 2015.

PY - 2015/5/1

Y1 - 2015/5/1

N2 - In order to clarify the microdamage formation behaviour for high temperature brittle IN100 alloy, a polycrystalline nickel base superalloy, in situ observational test was carried out to observe creep damage formation behaviour of a notched IN100 specimen. Furthermore, the experimental findings of creep damage formation were evaluated by an original elastic-plastic creep finite element analysis. As a result, microcracks and damage forming areas were found to develop in the creep damage areas suggested by this analysis. This has resulted in the development of a non-destructive prediction method for creep damage accumulation and material's remnant life. The application of this method to the cases under creep-fatigue conditions was addressed.

AB - In order to clarify the microdamage formation behaviour for high temperature brittle IN100 alloy, a polycrystalline nickel base superalloy, in situ observational test was carried out to observe creep damage formation behaviour of a notched IN100 specimen. Furthermore, the experimental findings of creep damage formation were evaluated by an original elastic-plastic creep finite element analysis. As a result, microcracks and damage forming areas were found to develop in the creep damage areas suggested by this analysis. This has resulted in the development of a non-destructive prediction method for creep damage accumulation and material's remnant life. The application of this method to the cases under creep-fatigue conditions was addressed.

KW - Creep damage

KW - Micro slurry-jet erosion

KW - Microdamage

KW - Nickel base superalloy

KW - Non-destructive prediction

KW - Remnant life

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Non-destructive prediction method of creep damage and remnant life related to those under creep-fatigue interactive conditions for nickel base superalloys

Abstract

Keywords

ASJC Scopus subject areas

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