Law of fracture life for directionally solidified and poly-crystal nickel-base super alloys (CM247LC and IN100) under creep-fatigue conditions based on non-equilibrium science

A. T. Yokobori; R. Sugiura; H. Takeuchi; G. Ozeki; A. Ishida; D. Kobayashi; S. Hosono

doi:10.3233/SFC-130154

Law of fracture life for directionally solidified and poly-crystal nickel-base super alloys (CM247LC and IN100) under creep-fatigue conditions based on non-equilibrium science

A. T. Yokobori, R. Sugiura, H. Takeuchi, G. Ozeki, A. Ishida, D. Kobayashi, S. Hosono

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

13 Scopus citations

Abstract

Nickel-base super-alloys strengthening by precipitation of γ' phase are used as a heat resistant material in gas turbines for electric power plant and jet engine. They were severely subjected to creep (time dependent mechanism, TD) and strain/stress controlled fatigue conditions (cyclic dependent condition, CD). In this paper, sophisticated investigation and analyses on the load frequency characteristics of fracture life under creep and fatigue conditions were conducted based on catastrophic function for nickel-based super alloys, CM247LC (directionally solidified nickel-base material, DS) and these results were compared with those of IN100 (polycrystalline nickel-base material).

Original language	English
Pages (from-to)	25-44
Number of pages	20
Journal	Strength, Fracture and Complexity
Volume	8
Issue number	1
DOIs	https://doi.org/10.3233/SFC-130154
State	Published - 2013
Externally published	Yes

Keywords

CM247LC
concept
creep-fatigue interaction
fracture life
IN100
Nickel-base superalloy
non-equilibrium science
Q

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10.3233/SFC-130154

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abstract = "Nickel-base super-alloys strengthening by precipitation of γ' phase are used as a heat resistant material in gas turbines for electric power plant and jet engine. They were severely subjected to creep (time dependent mechanism, TD) and strain/stress controlled fatigue conditions (cyclic dependent condition, CD). In this paper, sophisticated investigation and analyses on the load frequency characteristics of fracture life under creep and fatigue conditions were conducted based on catastrophic function for nickel-based super alloys, CM247LC (directionally solidified nickel-base material, DS) and these results were compared with those of IN100 (polycrystalline nickel-base material).",

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AU - Yokobori, A. T.

AU - Sugiura, R.

AU - Takeuchi, H.

AU - Ozeki, G.

AU - Ishida, A.

AU - Kobayashi, D.

AU - Hosono, S.

PY - 2013

Y1 - 2013

N2 - Nickel-base super-alloys strengthening by precipitation of γ' phase are used as a heat resistant material in gas turbines for electric power plant and jet engine. They were severely subjected to creep (time dependent mechanism, TD) and strain/stress controlled fatigue conditions (cyclic dependent condition, CD). In this paper, sophisticated investigation and analyses on the load frequency characteristics of fracture life under creep and fatigue conditions were conducted based on catastrophic function for nickel-based super alloys, CM247LC (directionally solidified nickel-base material, DS) and these results were compared with those of IN100 (polycrystalline nickel-base material).

AB - Nickel-base super-alloys strengthening by precipitation of γ' phase are used as a heat resistant material in gas turbines for electric power plant and jet engine. They were severely subjected to creep (time dependent mechanism, TD) and strain/stress controlled fatigue conditions (cyclic dependent condition, CD). In this paper, sophisticated investigation and analyses on the load frequency characteristics of fracture life under creep and fatigue conditions were conducted based on catastrophic function for nickel-based super alloys, CM247LC (directionally solidified nickel-base material, DS) and these results were compared with those of IN100 (polycrystalline nickel-base material).

KW - CM247LC

KW - concept

KW - creep-fatigue interaction

KW - fracture life

KW - IN100

KW - Nickel-base superalloy

KW - non-equilibrium science

KW - Q

UR - https://www.scopus.com/pages/publications/84883731193

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DO - 10.3233/SFC-130154

M3 - 記事

AN - SCOPUS:84883731193

SN - 1567-2069

VL - 8

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EP - 44

JO - Strength, Fracture and Complexity

JF - Strength, Fracture and Complexity

IS - 1

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Law of fracture life for directionally solidified and poly-crystal nickel-base super alloys (CM247LC and IN100) under creep-fatigue conditions based on non-equilibrium science

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Keywords

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