Effect of weld geometry on mis-match limit load analyses for circumferential surface cracked pipes in the centre of welds

Sang Hyun Kim; Jae Jun Han; Han Sang Lee; Yun Jae Kim

doi:10.1115/PVP2014-28865

Effect of weld geometry on mis-match limit load analyses for circumferential surface cracked pipes in the centre of welds

Sang Hyun Kim, Jae Jun Han, Han Sang Lee, Yun Jae Kim

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

Abstract

The weld metal compared to the base metal, is known to be more vulnerable to cracking. Thus, the strength mismatch limit load analysis is necessary for defect assessment. In our previous paper, closed-form solutions of mis-match limit loads were proposed for idealized butt weld configuration as a function of the strength mis-match ratio with geometry-related slenderness parameter. The actual weld geometry is not idealized band configuration but shape of V-grooved welds. The surface crack is more common and significant than through wall crack. The present work provides mis-match limit loads for circumferential surface cracked pipes in the centre of V-groove welds using finite element (FE) analysis. Various crack depth (a/t=0.35∼0.8) and groove angles (20^o∼90^o) are considered for systematic investigation. With regards to loading conditions, axial tension is applied for all cases.

Original language	English
Title of host publication	Materials and Fabrication
Publisher	American Society of Mechanical Engineers (ASME)
ISBN (Electronic)	9780791846032
DOIs	https://doi.org/10.1115/PVP2014-28865
Publication status	Published - 2014
Event	ASME 2014 Pressure Vessels and Piping Conference, PVP 2014 - Anaheim, United States Duration: 2014 Jul 20 → 2014 Jul 24

Publication series

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

Other

Other	ASME 2014 Pressure Vessels and Piping Conference, PVP 2014
Country/Territory	United States
City	Anaheim
Period	14/7/20 → 14/7/24

Bibliographical note

Publisher Copyright:
Copyright © 2014 by ASME.

ASJC Scopus subject areas

Mechanical Engineering

Access to Document

10.1115/PVP2014-28865

Cite this

Kim, S. H., Han, J. J., Lee, H. S., & Kim, Y. J. (2014). Effect of weld geometry on mis-match limit load analyses for circumferential surface cracked pipes in the centre of welds. In Materials and Fabrication (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; Vol. 6A). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/PVP2014-28865

Effect of weld geometry on mis-match limit load analyses for circumferential surface cracked pipes in the centre of welds. / Kim, Sang Hyun; Han, Jae Jun; Lee, Han Sang et al.
Materials and Fabrication. American Society of Mechanical Engineers (ASME), 2014. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; Vol. 6A).

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

Kim, SH, Han, JJ, Lee, HS & Kim, YJ 2014, Effect of weld geometry on mis-match limit load analyses for circumferential surface cracked pipes in the centre of welds. in Materials and Fabrication. American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, vol. 6A, American Society of Mechanical Engineers (ASME), ASME 2014 Pressure Vessels and Piping Conference, PVP 2014, Anaheim, United States, 14/7/20. https://doi.org/10.1115/PVP2014-28865

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Effect of weld geometry on mis-match limit load analyses for circumferential surface cracked pipes in the centre of welds

Abstract

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