Resist??ncia ?? corros??o do a??o lean duplex UNS S82441 submetido ?? soldagem por atrito com pino n??o-consum??vel
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , , |
Tipo de documento: | Artigo de conferência |
Título da fonte: | Repositório Institucional do IPEN |
Texto Completo: | http://repositorio.ipen.br/handle/123456789/27322 |
Resumo: | Duplex stainless steels have been widely used in the manufacture of equipment and piping for oil & gas industry, in onshore and offshore service. However, whenever they are exposed to high temperatures the precipitation of deleterious phases might occur. The precipitates drastically reduce the corrosion resistance and mechanical properties of these materials. The friction stir welding (FSW) process has been considered as an alternative to replace the conventional welding processes in duplex stainless steels. FSW is a solid state welding process avoiding many of the problems associated to conventional fusion techniques. In this paper, specimens of the various zones affected and nearby the FSW, specifically the nugget or stir zone (SZ), the heat affected zone (HAZ) and the base metal (BM) of welded lean duplex UNS S82441 had their corrosion resistance evaluated by eletrochemical tests. The results indicated that the HAZ and SZ regions presented similar localized corrosion resistance to that of the BM showing that it is a potential technique for replacing the conventional processes with advantageous corrosion resistance properties. |
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2017-03-24T17:18:09Z2017-03-24T17:18:09Z16-20 de maio, 2016http://repositorio.ipen.br/handle/123456789/27322Duplex stainless steels have been widely used in the manufacture of equipment and piping for oil & gas industry, in onshore and offshore service. However, whenever they are exposed to high temperatures the precipitation of deleterious phases might occur. The precipitates drastically reduce the corrosion resistance and mechanical properties of these materials. The friction stir welding (FSW) process has been considered as an alternative to replace the conventional welding processes in duplex stainless steels. FSW is a solid state welding process avoiding many of the problems associated to conventional fusion techniques. In this paper, specimens of the various zones affected and nearby the FSW, specifically the nugget or stir zone (SZ), the heat affected zone (HAZ) and the base metal (BM) of welded lean duplex UNS S82441 had their corrosion resistance evaluated by eletrochemical tests. The results indicated that the HAZ and SZ regions presented similar localized corrosion resistance to that of the BM showing that it is a potential technique for replacing the conventional processes with advantageous corrosion resistance properties.Submitted by Marco Antonio Oliveira da Silva (maosilva@ipen.br) on 2017-03-24T17:18:09Z No. of bitstreams: 1 23666.pdf: 1216182 bytes, checksum: ac5dc1aa34ec5774dbd78a8da969d9da (MD5)Made available in DSpace on 2017-03-24T17:18:09Z (GMT). No. of bitstreams: 1 23666.pdf: 1216182 bytes, checksum: ac5dc1aa34ec5774dbd78a8da969d9da (MD5)1-10Rio de Janeiro, RJ: ABRACOstainless steelsfriction weldingferritesaustenitic steelscorrosionvickers hardnesscorrosion resistancepitting corrosionResist??ncia ?? corros??o do a??o lean duplex UNS S82441 submetido ?? soldagem por atrito com pino n??o-consum??velinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectINTERCORRNB??zios, RJLEITE, ANTONIO M. dos S.TERADA, MAYSAPEREIRA, VICTOR F.COSTA, ISOLDACONGRESSO BRASILEIRO DE CORROSAO, 36.; INTERNATIONAL CORROSION MEETING, 6th; CONCURSO DE FOTOGRAFIA DE CORROSAO E DEGRADA??AO DE MATERIAIS, 20.; EXPOSI??AO DE TECNOLOGIAS PARA PREVEN??AO E CONTROLE DA CORROSAO, 36.info:eu-repo/semantics/openAccessreponame:Repositório Institucional do IPENinstname:Instituto de Pesquisas Energéticas e Nucleares (IPEN)instacron:IPEN236662016LEITE, ANTONIO M. dos S.TERADA, MAYSACOSTA, ISOLDA17-03Anais117033494429LEITE, ANTONIO M. 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dc.title.pt_BR.fl_str_mv |
Resist??ncia ?? corros??o do a??o lean duplex UNS S82441 submetido ?? soldagem por atrito com pino n??o-consum??vel |
title |
Resist??ncia ?? corros??o do a??o lean duplex UNS S82441 submetido ?? soldagem por atrito com pino n??o-consum??vel |
spellingShingle |
Resist??ncia ?? corros??o do a??o lean duplex UNS S82441 submetido ?? soldagem por atrito com pino n??o-consum??vel LEITE, ANTONIO M. dos S. stainless steels friction welding ferrites austenitic steels corrosion vickers hardness corrosion resistance pitting corrosion |
title_short |
Resist??ncia ?? corros??o do a??o lean duplex UNS S82441 submetido ?? soldagem por atrito com pino n??o-consum??vel |
title_full |
Resist??ncia ?? corros??o do a??o lean duplex UNS S82441 submetido ?? soldagem por atrito com pino n??o-consum??vel |
title_fullStr |
Resist??ncia ?? corros??o do a??o lean duplex UNS S82441 submetido ?? soldagem por atrito com pino n??o-consum??vel |
title_full_unstemmed |
Resist??ncia ?? corros??o do a??o lean duplex UNS S82441 submetido ?? soldagem por atrito com pino n??o-consum??vel |
title_sort |
Resist??ncia ?? corros??o do a??o lean duplex UNS S82441 submetido ?? soldagem por atrito com pino n??o-consum??vel |
author |
LEITE, ANTONIO M. dos S. |
author_facet |
LEITE, ANTONIO M. dos S. TERADA, MAYSA PEREIRA, VICTOR F. COSTA, ISOLDA CONGRESSO BRASILEIRO DE CORROSAO, 36.; INTERNATIONAL CORROSION MEETING, 6th; CONCURSO DE FOTOGRAFIA DE CORROSAO E DEGRADA??AO DE MATERIAIS, 20.; EXPOSI??AO DE TECNOLOGIAS PARA PREVEN??AO E CONTROLE DA CORROSAO, 36. |
author_role |
author |
author2 |
TERADA, MAYSA PEREIRA, VICTOR F. COSTA, ISOLDA CONGRESSO BRASILEIRO DE CORROSAO, 36.; INTERNATIONAL CORROSION MEETING, 6th; CONCURSO DE FOTOGRAFIA DE CORROSAO E DEGRADA??AO DE MATERIAIS, 20.; EXPOSI??AO DE TECNOLOGIAS PARA PREVEN??AO E CONTROLE DA CORROSAO, 36. |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
LEITE, ANTONIO M. dos S. TERADA, MAYSA PEREIRA, VICTOR F. COSTA, ISOLDA CONGRESSO BRASILEIRO DE CORROSAO, 36.; INTERNATIONAL CORROSION MEETING, 6th; CONCURSO DE FOTOGRAFIA DE CORROSAO E DEGRADA??AO DE MATERIAIS, 20.; EXPOSI??AO DE TECNOLOGIAS PARA PREVEN??AO E CONTROLE DA CORROSAO, 36. |
dc.subject.por.fl_str_mv |
stainless steels friction welding ferrites austenitic steels corrosion vickers hardness corrosion resistance pitting corrosion |
topic |
stainless steels friction welding ferrites austenitic steels corrosion vickers hardness corrosion resistance pitting corrosion |
description |
Duplex stainless steels have been widely used in the manufacture of equipment and piping for oil & gas industry, in onshore and offshore service. However, whenever they are exposed to high temperatures the precipitation of deleterious phases might occur. The precipitates drastically reduce the corrosion resistance and mechanical properties of these materials. The friction stir welding (FSW) process has been considered as an alternative to replace the conventional welding processes in duplex stainless steels. FSW is a solid state welding process avoiding many of the problems associated to conventional fusion techniques. In this paper, specimens of the various zones affected and nearby the FSW, specifically the nugget or stir zone (SZ), the heat affected zone (HAZ) and the base metal (BM) of welded lean duplex UNS S82441 had their corrosion resistance evaluated by eletrochemical tests. The results indicated that the HAZ and SZ regions presented similar localized corrosion resistance to that of the BM showing that it is a potential technique for replacing the conventional processes with advantageous corrosion resistance properties. |
publishDate |
2017 |
dc.date.evento.pt_BR.fl_str_mv |
16-20 de maio, 2016 |
dc.date.accessioned.fl_str_mv |
2017-03-24T17:18:09Z |
dc.date.available.fl_str_mv |
2017-03-24T17:18:09Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/conferenceObject |
format |
conferenceObject |
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publishedVersion |
dc.identifier.uri.fl_str_mv |
http://repositorio.ipen.br/handle/123456789/27322 |
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http://repositorio.ipen.br/handle/123456789/27322 |
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info:eu-repo/semantics/openAccess |
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openAccess |
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1-10 |
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Rio de Janeiro, RJ: ABRACO |
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Rio de Janeiro, RJ: ABRACO |
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