CRACK INITIATION AND GROWTH IN BIMETALLIC GIRTH WELDS
Bimetallic girth welds are characteristics of clad pipe technology. When dealing with propagation issues, fracture mechanics concepts usually are no longer applicable as a result of the extensive and non-homogeneous plastic deformation along bi-material interface that occur at the crack tip even bel...
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ftunivmoliseiris:oai:iris.unimol.it:11695/84542 2024-04-14T08:05:05+00:00 CRACK INITIATION AND GROWTH IN BIMETALLIC GIRTH WELDS CARLUCCI, Antonio BONORA, Nicola GENTILE, Domenico IANNITTI, Gianluca RUGGIERO, Andrew ASME Carlucci, Antonio Bonora, Nicola Gentile, Domenico Iannitti, Gianluca Ruggiero, Andrew 2014 http://hdl.handle.net/11695/84542 https://doi.org/10.1115/OMAE2014-23628 eng eng ASME country:USA place:USA info:eu-repo/semantics/altIdentifier/isbn/9780791845462 info:eu-repo/semantics/altIdentifier/wos/WOS:000363497500042 ispartofbook:33RD INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING, 2014, VOL 6A: PIPELINE AND RISER TECHNOLOGY Proceedings of the ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering OMAE2014 volume:6A firstpage:1 lastpage:5 numberofpages:5 http://hdl.handle.net/11695/84542 doi:10.1115/OMAE2014-23628 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84910626051 Ductile failure SENT specimen Bimetallic girth welds info:eu-repo/semantics/conferenceObject 2014 ftunivmoliseiris https://doi.org/10.1115/OMAE2014-23628 2024-03-21T18:08:48Z Bimetallic girth welds are characteristics of clad pipe technology. When dealing with propagation issues, fracture mechanics concepts usually are no longer applicable as a result of the extensive and non-homogeneous plastic deformation along bi-material interface that occur at the crack tip even below design allowables. In this study, ductile crack initiation and propagation in bi-material girth welds was investigated using a Continuum Damage Mechanics (CDM) model proposed by Bonora [1]. For the base, weld and clad metal, ductile damage model parameters have been determined by means of inverse calibration technique using fracture data obtained on smooth and round notched tensile bar specimens. Firstly, the damage model was validated predicting ductile crack growth occurring in single end notch (SEN(T)) geometry sample comparing the applied load vs crack mouth opening displacement with experimental measurements. Successively, the model was used to investigate ductile crack initiation and propagation for under clad circumferential weld crack under remote tension Conference Object Arctic Università degli Studi del Molise: IRIS Volume 6A: Pipeline and Riser Technology |
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Università degli Studi del Molise: IRIS |
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ftunivmoliseiris |
language |
English |
topic |
Ductile failure SENT specimen Bimetallic girth welds |
spellingShingle |
Ductile failure SENT specimen Bimetallic girth welds CARLUCCI, Antonio BONORA, Nicola GENTILE, Domenico IANNITTI, Gianluca RUGGIERO, Andrew CRACK INITIATION AND GROWTH IN BIMETALLIC GIRTH WELDS |
topic_facet |
Ductile failure SENT specimen Bimetallic girth welds |
description |
Bimetallic girth welds are characteristics of clad pipe technology. When dealing with propagation issues, fracture mechanics concepts usually are no longer applicable as a result of the extensive and non-homogeneous plastic deformation along bi-material interface that occur at the crack tip even below design allowables. In this study, ductile crack initiation and propagation in bi-material girth welds was investigated using a Continuum Damage Mechanics (CDM) model proposed by Bonora [1]. For the base, weld and clad metal, ductile damage model parameters have been determined by means of inverse calibration technique using fracture data obtained on smooth and round notched tensile bar specimens. Firstly, the damage model was validated predicting ductile crack growth occurring in single end notch (SEN(T)) geometry sample comparing the applied load vs crack mouth opening displacement with experimental measurements. Successively, the model was used to investigate ductile crack initiation and propagation for under clad circumferential weld crack under remote tension |
author2 |
ASME Carlucci, Antonio Bonora, Nicola Gentile, Domenico Iannitti, Gianluca Ruggiero, Andrew |
format |
Conference Object |
author |
CARLUCCI, Antonio BONORA, Nicola GENTILE, Domenico IANNITTI, Gianluca RUGGIERO, Andrew |
author_facet |
CARLUCCI, Antonio BONORA, Nicola GENTILE, Domenico IANNITTI, Gianluca RUGGIERO, Andrew |
author_sort |
CARLUCCI, Antonio |
title |
CRACK INITIATION AND GROWTH IN BIMETALLIC GIRTH WELDS |
title_short |
CRACK INITIATION AND GROWTH IN BIMETALLIC GIRTH WELDS |
title_full |
CRACK INITIATION AND GROWTH IN BIMETALLIC GIRTH WELDS |
title_fullStr |
CRACK INITIATION AND GROWTH IN BIMETALLIC GIRTH WELDS |
title_full_unstemmed |
CRACK INITIATION AND GROWTH IN BIMETALLIC GIRTH WELDS |
title_sort |
crack initiation and growth in bimetallic girth welds |
publisher |
ASME |
publishDate |
2014 |
url |
http://hdl.handle.net/11695/84542 https://doi.org/10.1115/OMAE2014-23628 |
genre |
Arctic |
genre_facet |
Arctic |
op_relation |
info:eu-repo/semantics/altIdentifier/isbn/9780791845462 info:eu-repo/semantics/altIdentifier/wos/WOS:000363497500042 ispartofbook:33RD INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING, 2014, VOL 6A: PIPELINE AND RISER TECHNOLOGY Proceedings of the ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering OMAE2014 volume:6A firstpage:1 lastpage:5 numberofpages:5 http://hdl.handle.net/11695/84542 doi:10.1115/OMAE2014-23628 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84910626051 |
op_doi |
https://doi.org/10.1115/OMAE2014-23628 |
container_title |
Volume 6A: Pipeline and Riser Technology |
_version_ |
1796301941917089792 |