Effect of the cooling rates on heat-affected zone of UNS S32304 duplex stainless steel welded by pulsed GTAW process

Detalhes bibliográficos
Autor(a) principal: BETINI, E.G.
Data de Publicação: 2020
Outros Autores: GOMES, M.P., REIS, L.A., MUCSI, C.S., ALENCAR, M.C., ORLANDO, M.T.D., LUZ, T.S., AVETTAND-FENOEL, M-N., ROSSI, J.L., ENCONTRO CIENT??FICO DE F??SICA APLICADA, 8.
Tipo de documento: Artigo de conferência
Título da fonte: Repositório Institucional do IPEN
Texto Completo: http://repositorio.ipen.br/handle/123456789/31221
Resumo: Two thin plates of UNS 32304 of duplex stainless steel were joined by pulsed gas tungsten arc welding (GTAW) using a mixture 98% of argon plus 2% of nitrogen as shielding gas or pure argon as purging gas at the bottom of the plate without filler metal. The temperature profile close and away from the weld pool was measured using K type (Ni-Cr) thermocouples, connected to a digital data acquisition system. The thermal cycles was recorded in the heat-affected zone (HAZ) at a distance in between 1 and 3 mm from the joint line. The cooling rate and holding time were studied with respect to the used purging gas. Experimental thermal profiles are in good agreement with literature values. The joints welded without any purging gas revealed high peak temperature and cooling rates. The present investigation showed that temperature peaks are comprised in the phase transformation temperature ranges for the welded duplex stainless steel.
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spelling 2020-06-01T18:29:49Z2020-06-01T18:29:49Z4-7 de setembro, 2017http://repositorio.ipen.br/handle/123456789/3122110.5151/phypro-viii-efa-040000-0002-8304-9939Two thin plates of UNS 32304 of duplex stainless steel were joined by pulsed gas tungsten arc welding (GTAW) using a mixture 98% of argon plus 2% of nitrogen as shielding gas or pure argon as purging gas at the bottom of the plate without filler metal. The temperature profile close and away from the weld pool was measured using K type (Ni-Cr) thermocouples, connected to a digital data acquisition system. The thermal cycles was recorded in the heat-affected zone (HAZ) at a distance in between 1 and 3 mm from the joint line. The cooling rate and holding time were studied with respect to the used purging gas. Experimental thermal profiles are in good agreement with literature values. The joints welded without any purging gas revealed high peak temperature and cooling rates. The present investigation showed that temperature peaks are comprised in the phase transformation temperature ranges for the welded duplex stainless steel.Submitted by Pedro Silva Filho (pfsilva@ipen.br) on 2020-06-01T18:29:49Z No. of bitstreams: 1 27000.pdf: 747425 bytes, checksum: 2c21f4f5846a5f594513d3477acdb2c3 (MD5)Made available in DSpace on 2020-06-01T18:29:49Z (GMT). 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dc.title.pt_BR.fl_str_mv Effect of the cooling rates on heat-affected zone of UNS S32304 duplex stainless steel welded by pulsed GTAW process
title Effect of the cooling rates on heat-affected zone of UNS S32304 duplex stainless steel welded by pulsed GTAW process
spellingShingle Effect of the cooling rates on heat-affected zone of UNS S32304 duplex stainless steel welded by pulsed GTAW process
BETINI, E.G.
title_short Effect of the cooling rates on heat-affected zone of UNS S32304 duplex stainless steel welded by pulsed GTAW process
title_full Effect of the cooling rates on heat-affected zone of UNS S32304 duplex stainless steel welded by pulsed GTAW process
title_fullStr Effect of the cooling rates on heat-affected zone of UNS S32304 duplex stainless steel welded by pulsed GTAW process
title_full_unstemmed Effect of the cooling rates on heat-affected zone of UNS S32304 duplex stainless steel welded by pulsed GTAW process
title_sort Effect of the cooling rates on heat-affected zone of UNS S32304 duplex stainless steel welded by pulsed GTAW process
author BETINI, E.G.
author_facet BETINI, E.G.
GOMES, M.P.
REIS, L.A.
MUCSI, C.S.
ALENCAR, M.C.
ORLANDO, M.T.D.
LUZ, T.S.
AVETTAND-FENOEL, M-N.
ROSSI, J.L.
ENCONTRO CIENT??FICO DE F??SICA APLICADA, 8.
author_role author
author2 GOMES, M.P.
REIS, L.A.
MUCSI, C.S.
ALENCAR, M.C.
ORLANDO, M.T.D.
LUZ, T.S.
AVETTAND-FENOEL, M-N.
ROSSI, J.L.
ENCONTRO CIENT??FICO DE F??SICA APLICADA, 8.
author2_role author
author
author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv BETINI, E.G.
GOMES, M.P.
REIS, L.A.
MUCSI, C.S.
ALENCAR, M.C.
ORLANDO, M.T.D.
LUZ, T.S.
AVETTAND-FENOEL, M-N.
ROSSI, J.L.
ENCONTRO CIENT??FICO DE F??SICA APLICADA, 8.
description Two thin plates of UNS 32304 of duplex stainless steel were joined by pulsed gas tungsten arc welding (GTAW) using a mixture 98% of argon plus 2% of nitrogen as shielding gas or pure argon as purging gas at the bottom of the plate without filler metal. The temperature profile close and away from the weld pool was measured using K type (Ni-Cr) thermocouples, connected to a digital data acquisition system. The thermal cycles was recorded in the heat-affected zone (HAZ) at a distance in between 1 and 3 mm from the joint line. The cooling rate and holding time were studied with respect to the used purging gas. Experimental thermal profiles are in good agreement with literature values. The joints welded without any purging gas revealed high peak temperature and cooling rates. The present investigation showed that temperature peaks are comprised in the phase transformation temperature ranges for the welded duplex stainless steel.
publishDate 2020
dc.date.evento.pt_BR.fl_str_mv 4-7 de setembro, 2017
dc.date.accessioned.fl_str_mv 2020-06-01T18:29:49Z
dc.date.available.fl_str_mv 2020-06-01T18:29:49Z
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dc.identifier.doi.pt_BR.fl_str_mv 10.5151/phypro-viii-efa-04
dc.identifier.orcid.pt_BR.fl_str_mv 0000-0002-8304-9939
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