A prediction of V-factor for the cracked pipe under combined mechanical and thermal stresses with elastic follow-up

Tae Kwang Song; Kuk Hee Lee; Chang Young Oh; Yun Jae Kim; Robert A. Ainsworth; Kamran Nikbin

doi:10.1115/PVP2010-25260

A prediction of V-factor for the cracked pipe under combined mechanical and thermal stresses with elastic follow-up

Tae Kwang Song, Kuk Hee Lee, Chang Young Oh, Yun Jae Kim, Robert A. Ainsworth, Kamran Nikbin

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

1 Citation (Scopus)

Abstract

In this paper, a prediction of V-factor, the correction factor for the plasticity interaction between the primary stress and secondary stress, for the cracked pipe under combined mechanical and thermal stresses with significant elastic followup is presented. Recently, present authors suggested enhanced V-factor solution using failure assessment curve, which is less conservative than R6 code. However, this solution is limited to weak elastic follow-up condition. the degree of elastic followup is related to the variations of Vo with β according to this study. Based on this observation, a prediction solution for the V-factor which can be applied to the crack assessment ranging from weak elastic follow-up condition to strong elastic followup condition is proposed.

Original language	English
Title of host publication	American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Pages	91-95
Number of pages	5
DOIs	https://doi.org/10.1115/PVP2010-25260
Publication status	Published - 2010
Event	ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference, PVP2010 - Bellevue, WA, United States Duration: 2010 Jul 18 → 2010 Jul 22

Publication series

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

Other

Other	ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference, PVP2010
Country/Territory	United States
City	Bellevue, WA
Period	10/7/18 → 10/7/22

ASJC Scopus subject areas

Mechanical Engineering

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10.1115/PVP2010-25260

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Song, T. K., Lee, K. H., Oh, C. Y., Kim, Y. J., Ainsworth, R. A., & Nikbin, K. (2010). A prediction of V-factor for the cracked pipe under combined mechanical and thermal stresses with elastic follow-up. In American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP (pp. 91-95). (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; Vol. 6). https://doi.org/10.1115/PVP2010-25260

A prediction of V-factor for the cracked pipe under combined mechanical and thermal stresses with elastic follow-up. / Song, Tae Kwang; Lee, Kuk Hee; Oh, Chang Young et al.
American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP. 2010. p. 91-95 (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; Vol. 6).

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

Song, TK, Lee, KH, Oh, CY, Kim, YJ, Ainsworth, RA & Nikbin, K 2010, A prediction of V-factor for the cracked pipe under combined mechanical and thermal stresses with elastic follow-up. in American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP. American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, vol. 6, pp. 91-95, ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference, PVP2010, Bellevue, WA, United States, 10/7/18. https://doi.org/10.1115/PVP2010-25260

Song TK, Lee KH, Oh CY, Kim YJ, Ainsworth RA, Nikbin K. A prediction of V-factor for the cracked pipe under combined mechanical and thermal stresses with elastic follow-up. In American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP. 2010. p. 91-95. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP). doi: 10.1115/PVP2010-25260

Song, Tae Kwang ; Lee, Kuk Hee ; Oh, Chang Young et al. / A prediction of V-factor for the cracked pipe under combined mechanical and thermal stresses with elastic follow-up. American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP. 2010. pp. 91-95 (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP).

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title = "A prediction of V-factor for the cracked pipe under combined mechanical and thermal stresses with elastic follow-up",

abstract = "In this paper, a prediction of V-factor, the correction factor for the plasticity interaction between the primary stress and secondary stress, for the cracked pipe under combined mechanical and thermal stresses with significant elastic followup is presented. Recently, present authors suggested enhanced V-factor solution using failure assessment curve, which is less conservative than R6 code. However, this solution is limited to weak elastic follow-up condition. the degree of elastic followup is related to the variations of Vo with β according to this study. Based on this observation, a prediction solution for the V-factor which can be applied to the crack assessment ranging from weak elastic follow-up condition to strong elastic followup condition is proposed.",

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AB - In this paper, a prediction of V-factor, the correction factor for the plasticity interaction between the primary stress and secondary stress, for the cracked pipe under combined mechanical and thermal stresses with significant elastic followup is presented. Recently, present authors suggested enhanced V-factor solution using failure assessment curve, which is less conservative than R6 code. However, this solution is limited to weak elastic follow-up condition. the degree of elastic followup is related to the variations of Vo with β according to this study. Based on this observation, a prediction solution for the V-factor which can be applied to the crack assessment ranging from weak elastic follow-up condition to strong elastic followup condition is proposed.

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A prediction of V-factor for the cracked pipe under combined mechanical and thermal stresses with elastic follow-up

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