The effect of load frequency on the temperature dependence of fracture life of notched specimens for 9-12CR steel under creepfatigue conditions

Y. Shirai; A. T. Yokobori; R. Sugiura; T. Fukuda; D. Matsumoto; H. Ishikawa; K. Ito

doi:10.1115/PVP201545510

The effect of load frequency on the temperature dependence of fracture life of notched specimens for 9-12CR steel under creepfatigue conditions

Y. Shirai, A. T. Yokobori, R. Sugiura, T. Fukuda, D. Matsumoto, H. Ishikawa, K. Ito

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

In order to operate a thermal power plant safely, it is necessary to establish the prediction methods of fracture life for heat-resistant steels which is used in thermal power plant. For the establishment of prediction methods, it is necessary to consider the effects of creep damage and creep-fatigue interaction on the fracture life. Therefore, in this paper, creep-fatigue tests were conducted on notched specimens of W-added 9-12Cr steels for various temperatures and load frequencies. From these results, the influence of load frequency on temperature dependence of crack growth life for 9-12Cr steels was determined.

Original language	English
Title of host publication	Materials and Fabrication
Publisher	American Society of Mechanical Engineers (ASME)
ISBN (Electronic)	9780791856994, 9780791856994, 9780791856994, 9780791856994
DOIs	https://doi.org/10.1115/PVP201545510
Publication status	Published - 2015
Event	ASME 2015 Pressure Vessels and Piping Conference, PVP 2015 - Boston, United States Duration: 2015 Jul 19 → 2015 Jul 23

Publication series

Name	American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volume	6A-2015
ISSN (Print)	0277-027X

Other

Other	ASME 2015 Pressure Vessels and Piping Conference, PVP 2015
Country	United States
City	Boston
Period	15/7/19 → 15/7/23

ASJC Scopus subject areas

Mechanical Engineering

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Shirai, Y., Yokobori, A. T., Sugiura, R., Fukuda, T., Matsumoto, D., Ishikawa, H., & Ito, K. (2015). The effect of load frequency on the temperature dependence of fracture life of notched specimens for 9-12CR steel under creepfatigue conditions. In Materials and Fabrication (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; Vol. 6A-2015). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/PVP201545510

The effect of load frequency on the temperature dependence of fracture life of notched specimens for 9-12CR steel under creepfatigue conditions. / Shirai, Y.; Yokobori, A. T.; Sugiura, R.; Fukuda, T.; Matsumoto, D.; Ishikawa, H.; Ito, K.

Materials and Fabrication. American Society of Mechanical Engineers (ASME), 2015. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; Vol. 6A-2015).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Shirai, Y, Yokobori, AT, Sugiura, R, Fukuda, T, Matsumoto, D, Ishikawa, H & Ito, K 2015, The effect of load frequency on the temperature dependence of fracture life of notched specimens for 9-12CR steel under creepfatigue conditions. in Materials and Fabrication. American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, vol. 6A-2015, American Society of Mechanical Engineers (ASME), ASME 2015 Pressure Vessels and Piping Conference, PVP 2015, Boston, United States, 15/7/19. https://doi.org/10.1115/PVP201545510

Shirai Y, Yokobori AT, Sugiura R, Fukuda T, Matsumoto D, Ishikawa H et al. The effect of load frequency on the temperature dependence of fracture life of notched specimens for 9-12CR steel under creepfatigue conditions. In Materials and Fabrication. American Society of Mechanical Engineers (ASME). 2015. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP). https://doi.org/10.1115/PVP201545510

Shirai, Y. ; Yokobori, A. T. ; Sugiura, R. ; Fukuda, T. ; Matsumoto, D. ; Ishikawa, H. ; Ito, K. / The effect of load frequency on the temperature dependence of fracture life of notched specimens for 9-12CR steel under creepfatigue conditions. Materials and Fabrication. American Society of Mechanical Engineers (ASME), 2015. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP).

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abstract = "In order to operate a thermal power plant safely, it is necessary to establish the prediction methods of fracture life for heat-resistant steels which is used in thermal power plant. For the establishment of prediction methods, it is necessary to consider the effects of creep damage and creep-fatigue interaction on the fracture life. Therefore, in this paper, creep-fatigue tests were conducted on notched specimens of W-added 9-12Cr steels for various temperatures and load frequencies. From these results, the influence of load frequency on temperature dependence of crack growth life for 9-12Cr steels was determined.",

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AB - In order to operate a thermal power plant safely, it is necessary to establish the prediction methods of fracture life for heat-resistant steels which is used in thermal power plant. For the establishment of prediction methods, it is necessary to consider the effects of creep damage and creep-fatigue interaction on the fracture life. Therefore, in this paper, creep-fatigue tests were conducted on notched specimens of W-added 9-12Cr steels for various temperatures and load frequencies. From these results, the influence of load frequency on temperature dependence of crack growth life for 9-12Cr steels was determined.

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The effect of load frequency on the temperature dependence of fracture life of notched specimens for 9-12CR steel under creepfatigue conditions

Abstract

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