Análise das Tensões Residuais Utilizando o Método DPC na Soldagem Multipasse do Aço ASTM A131 AH36 pelos Processos SMAW e FCAW

Resumo: As tensões residuais (TR) nas juntas soldadas do aço ASTM A131 AH36 foram analisadas pelo método DPC (deslocamento de pontos coordenados). A soldagem a arco foi realizada pelos processos eletrodo revestido (ER) e arame tubular (AT). As chapas de teste com dimensões de 200 mm x 65 mm e espess...

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Veröffentlicht in:Soldagem & Inspeção 2020, Vol.25
Hauptverfasser: Pereira, Danilo Helder de Melo, Pereira, Douglas Henrique de Melo, Rolim, Tiago Leite, Ferreira, Ricardo Artur Sanguinetti
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description Resumo: As tensões residuais (TR) nas juntas soldadas do aço ASTM A131 AH36 foram analisadas pelo método DPC (deslocamento de pontos coordenados). A soldagem a arco foi realizada pelos processos eletrodo revestido (ER) e arame tubular (AT). As chapas de teste com dimensões de 200 mm x 65 mm e espessura 31,75 mm foram soldadas, segundo as normas (fabricação e qualificação) AWS D1.1 [1] e Petrobrás N-133 [2], respectivamente. Depois de soldadas foram realizados furos equidistantes com diâmetros de 2,00 mm por 2,00 mm de profundidade ao longo da zona termicamente afetada. Após a furação, tais furos foram referenciados em uma mesa de medição por coordenadas. Em seguida, as chapas de teste soldadas foram submetidas a um tratamento térmico para o alívio de tensões (TTAT) e, em seguida, foram medidos os deslocamentos dos furos causados pelo tratamento, o que possibilitou o cálculo das tensões residuais. Os resultados obtidos mostraram uma boa correlação do DPC com outros métodos de medições das TR. Abstract: The residual stress (RS) in welded joints of ASTM A131 AH36 were analyzed by the method DPC (coordinated points displacement). The arc welding was performed using by Shielded Metal Arc Welding (SMAW) and Flux Cored Arc Welding (FCAW) processes. The test plates with dimensions of 200 mm x 65 mm and thickness of 31,75 mm were welded according to AWS D1.1 [1] and Petrobras N-133 [2] standards (manufacture and qualification), respectively. After welding, equidistant holes with diameters of 2.00 mm and depth of 2.00 mm were drilled along the heat affected zone. After drilling, the holes were referenced on a coordinate measuring table. Then, the welded test plates were subjected to Post Weld Heat Treatment (PWHT) and then the displacements of the holes caused by the treatment were measured, making possible the calculation of residual stresses. The results obtained showed a good correlation of the DPC with other methods of measurement for TR.
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A soldagem a arco foi realizada pelos processos eletrodo revestido (ER) e arame tubular (AT). As chapas de teste com dimensões de 200 mm x 65 mm e espessura 31,75 mm foram soldadas, segundo as normas (fabricação e qualificação) AWS D1.1 [1] e Petrobrás N-133 [2], respectivamente. Depois de soldadas foram realizados furos equidistantes com diâmetros de 2,00 mm por 2,00 mm de profundidade ao longo da zona termicamente afetada. Após a furação, tais furos foram referenciados em uma mesa de medição por coordenadas. Em seguida, as chapas de teste soldadas foram submetidas a um tratamento térmico para o alívio de tensões (TTAT) e, em seguida, foram medidos os deslocamentos dos furos causados pelo tratamento, o que possibilitou o cálculo das tensões residuais. Os resultados obtidos mostraram uma boa correlação do DPC com outros métodos de medições das TR. Abstract: The residual stress (RS) in welded joints of ASTM A131 AH36 were analyzed by the method DPC (coordinated points displacement). The arc welding was performed using by Shielded Metal Arc Welding (SMAW) and Flux Cored Arc Welding (FCAW) processes. The test plates with dimensions of 200 mm x 65 mm and thickness of 31,75 mm were welded according to AWS D1.1 [1] and Petrobras N-133 [2] standards (manufacture and qualification), respectively. After welding, equidistant holes with diameters of 2.00 mm and depth of 2.00 mm were drilled along the heat affected zone. After drilling, the holes were referenced on a coordinate measuring table. Then, the welded test plates were subjected to Post Weld Heat Treatment (PWHT) and then the displacements of the holes caused by the treatment were measured, making possible the calculation of residual stresses. 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The arc welding was performed using by Shielded Metal Arc Welding (SMAW) and Flux Cored Arc Welding (FCAW) processes. The test plates with dimensions of 200 mm x 65 mm and thickness of 31,75 mm were welded according to AWS D1.1 [1] and Petrobras N-133 [2] standards (manufacture and qualification), respectively. After welding, equidistant holes with diameters of 2.00 mm and depth of 2.00 mm were drilled along the heat affected zone. After drilling, the holes were referenced on a coordinate measuring table. Then, the welded test plates were subjected to Post Weld Heat Treatment (PWHT) and then the displacements of the holes caused by the treatment were measured, making possible the calculation of residual stresses. The results obtained showed a good correlation of the DPC with other methods of measurement for TR.</description><subject>Diameters</subject><subject>Flux core wire welding</subject><subject>Heat affected zone</subject><subject>High strength steels</subject><subject>Measurement methods</subject><subject>METALLURGY &amp; METALLURGICAL ENGINEERING</subject><subject>Plates</subject><subject>Post-weld heat treatment</subject><subject>Residual stress</subject><subject>Shielded metal arc welding</subject><subject>Stress analysis</subject><subject>Welded joints</subject><subject>Welding fluxes</subject><issn>0104-9224</issn><issn>1980-6973</issn><issn>1980-6973</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNpFUcFOwzAMjRBITMAHcIvEuSNO2qQ5VoMxJCYQG-IYdU2Kgkoz6u0AR_6EE-ID-IL9GKmGhg_2k-z3_GQTcgpsCJlm5wxYmmjO03P0PBuC2CMD0DlLpFZinwx2_UNygugXLE1VpiWwAfko2s1n49FRWyKduxY3Pw7pvUNv16VH-rDyjX8vWxtooNPN9ypEdHE3om1JZ6Gx5ZN7odN1s_LLEnuZQIvNV0yz-ZQWIIAWEyHp0jUB6V0XKocY0WxaPFJHx6Pi8Zgc1GWD7uSvHpGH8eV8NElubq-uR8VNUnHFRBItWw2gKpvy3GVap7lY5GBF5SznUlheg1W8lqwGZxdZpVleSetSYUFxK8URGW51sfLRjXkO666NC82sv4_p78MZZzGAMQ4QCWdbwrILr2uHq38KT5lSUiop4hRsp6ouIHauNsvOv5TdmwFm-veYnbzp32NAiF9Vc3--</recordid><startdate>2020</startdate><enddate>2020</enddate><creator>Pereira, Danilo Helder de Melo</creator><creator>Pereira, Douglas Henrique de Melo</creator><creator>Rolim, Tiago Leite</creator><creator>Ferreira, Ricardo Artur Sanguinetti</creator><general>Associacao Brasileira de Soldagem</general><general>Associação Brasileira de Soldagem</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>GPN</scope><orcidid>https://orcid.org/0000-0002-4969-3800</orcidid><orcidid>https://orcid.org/0000-0002-6920-4234</orcidid><orcidid>https://orcid.org/0000-0001-6260-481X</orcidid><orcidid>https://orcid.org/0000-0002-3711-2044</orcidid></search><sort><creationdate>2020</creationdate><title>Análise das Tensões Residuais Utilizando o Método DPC na Soldagem Multipasse do Aço ASTM A131 AH36 pelos Processos SMAW e FCAW</title><author>Pereira, Danilo Helder de Melo ; Pereira, Douglas Henrique de Melo ; Rolim, Tiago Leite ; Ferreira, Ricardo Artur Sanguinetti</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2703-475d9117cd428e599483b81d3ced2263d2f1d72f60f1edb5c908c6de43d172d63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; por</language><creationdate>2020</creationdate><topic>Diameters</topic><topic>Flux core wire welding</topic><topic>Heat affected zone</topic><topic>High strength steels</topic><topic>Measurement methods</topic><topic>METALLURGY &amp; METALLURGICAL ENGINEERING</topic><topic>Plates</topic><topic>Post-weld heat treatment</topic><topic>Residual stress</topic><topic>Shielded metal arc welding</topic><topic>Stress analysis</topic><topic>Welded joints</topic><topic>Welding fluxes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pereira, Danilo Helder de Melo</creatorcontrib><creatorcontrib>Pereira, Douglas Henrique de Melo</creatorcontrib><creatorcontrib>Rolim, Tiago Leite</creatorcontrib><creatorcontrib>Ferreira, Ricardo Artur Sanguinetti</creatorcontrib><collection>CrossRef</collection><collection>Mechanical &amp; Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>SciELO</collection><jtitle>Soldagem &amp; Inspeção</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pereira, Danilo Helder de Melo</au><au>Pereira, Douglas Henrique de Melo</au><au>Rolim, Tiago Leite</au><au>Ferreira, Ricardo Artur Sanguinetti</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Análise das Tensões Residuais Utilizando o Método DPC na Soldagem Multipasse do Aço ASTM A131 AH36 pelos Processos SMAW e FCAW</atitle><jtitle>Soldagem &amp; Inspeção</jtitle><addtitle>Soldag. insp</addtitle><date>2020</date><risdate>2020</risdate><volume>25</volume><issn>0104-9224</issn><issn>1980-6973</issn><eissn>1980-6973</eissn><abstract>Resumo: As tensões residuais (TR) nas juntas soldadas do aço ASTM A131 AH36 foram analisadas pelo método DPC (deslocamento de pontos coordenados). A soldagem a arco foi realizada pelos processos eletrodo revestido (ER) e arame tubular (AT). As chapas de teste com dimensões de 200 mm x 65 mm e espessura 31,75 mm foram soldadas, segundo as normas (fabricação e qualificação) AWS D1.1 [1] e Petrobrás N-133 [2], respectivamente. Depois de soldadas foram realizados furos equidistantes com diâmetros de 2,00 mm por 2,00 mm de profundidade ao longo da zona termicamente afetada. Após a furação, tais furos foram referenciados em uma mesa de medição por coordenadas. Em seguida, as chapas de teste soldadas foram submetidas a um tratamento térmico para o alívio de tensões (TTAT) e, em seguida, foram medidos os deslocamentos dos furos causados pelo tratamento, o que possibilitou o cálculo das tensões residuais. Os resultados obtidos mostraram uma boa correlação do DPC com outros métodos de medições das TR. Abstract: The residual stress (RS) in welded joints of ASTM A131 AH36 were analyzed by the method DPC (coordinated points displacement). The arc welding was performed using by Shielded Metal Arc Welding (SMAW) and Flux Cored Arc Welding (FCAW) processes. The test plates with dimensions of 200 mm x 65 mm and thickness of 31,75 mm were welded according to AWS D1.1 [1] and Petrobras N-133 [2] standards (manufacture and qualification), respectively. After welding, equidistant holes with diameters of 2.00 mm and depth of 2.00 mm were drilled along the heat affected zone. After drilling, the holes were referenced on a coordinate measuring table. Then, the welded test plates were subjected to Post Weld Heat Treatment (PWHT) and then the displacements of the holes caused by the treatment were measured, making possible the calculation of residual stresses. The results obtained showed a good correlation of the DPC with other methods of measurement for TR.</abstract><cop>Sao Paulo</cop><pub>Associacao Brasileira de Soldagem</pub><doi>10.1590/0104-9224/si25.13</doi><orcidid>https://orcid.org/0000-0002-4969-3800</orcidid><orcidid>https://orcid.org/0000-0002-6920-4234</orcidid><orcidid>https://orcid.org/0000-0001-6260-481X</orcidid><orcidid>https://orcid.org/0000-0002-3711-2044</orcidid><oa>free_for_read</oa></addata></record>
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issn 0104-9224
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language eng ; por
recordid cdi_scielo_journals_S0104_92242020000100211
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subjects Diameters
Flux core wire welding
Heat affected zone
High strength steels
Measurement methods
METALLURGY & METALLURGICAL ENGINEERING
Plates
Post-weld heat treatment
Residual stress
Shielded metal arc welding
Stress analysis
Welded joints
Welding fluxes
title Análise das Tensões Residuais Utilizando o Método DPC na Soldagem Multipasse do Aço ASTM A131 AH36 pelos Processos SMAW e FCAW
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