Stress and integrity analysis of steam superheater tubes of a high pressure boiler

Detalhes bibliográficos
Autor(a) principal: Neves,Daniel Leite Cypriano
Data de Publicação: 2004
Outros Autores: Seixas,Jansen Renato de Carvalho, Tinoco,Ediberto Bastos, Rocha,Adriana da Cunha, Abud,Ibrahim de Cerqueira
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Materials research (São Carlos. Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392004000100021
Resumo: Sources that can lead to deterioration of steam superheater tubes of a high pressure boiler were studied by a stress analysis, focused on internal pressure and temperature experienced by the material at real operating conditions. Loss of flame control, internal deposits and unexpected peak charge are factors that generate loads above the design limit of tube materials, which can be subjected to strain, buckling, cracks and finally rupture in service. To evaluate integrity and dependability of these components, the microstructure of selected samples along the superheater was studied by optical microscopy. Associated with this analysis, dimensional inspection, nondestructive testing, hardness measurement and deposit examination were made to determine the resultant material condition after twenty three years of operation.
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spelling Stress and integrity analysis of steam superheater tubes of a high pressure boilersuperheaterhigh temperature damageboilerSources that can lead to deterioration of steam superheater tubes of a high pressure boiler were studied by a stress analysis, focused on internal pressure and temperature experienced by the material at real operating conditions. Loss of flame control, internal deposits and unexpected peak charge are factors that generate loads above the design limit of tube materials, which can be subjected to strain, buckling, cracks and finally rupture in service. To evaluate integrity and dependability of these components, the microstructure of selected samples along the superheater was studied by optical microscopy. Associated with this analysis, dimensional inspection, nondestructive testing, hardness measurement and deposit examination were made to determine the resultant material condition after twenty three years of operation.ABM, ABC, ABPol2004-03-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392004000100021Materials Research v.7 n.1 2004reponame:Materials research (São Carlos. Online)instname:Universidade Federal de São Carlos (UFSCAR)instacron:ABM ABC ABPOL10.1590/S1516-14392004000100021info:eu-repo/semantics/openAccessNeves,Daniel Leite CyprianoSeixas,Jansen Renato de CarvalhoTinoco,Ediberto BastosRocha,Adriana da CunhaAbud,Ibrahim de Cerqueiraeng2004-05-25T00:00:00Zoai:scielo:S1516-14392004000100021Revistahttp://www.scielo.br/mrPUBhttps://old.scielo.br/oai/scielo-oai.phpdedz@power.ufscar.br1980-53731516-1439opendoar:2004-05-25T00:00Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)false
dc.title.none.fl_str_mv Stress and integrity analysis of steam superheater tubes of a high pressure boiler
title Stress and integrity analysis of steam superheater tubes of a high pressure boiler
spellingShingle Stress and integrity analysis of steam superheater tubes of a high pressure boiler
Neves,Daniel Leite Cypriano
superheater
high temperature damage
boiler
title_short Stress and integrity analysis of steam superheater tubes of a high pressure boiler
title_full Stress and integrity analysis of steam superheater tubes of a high pressure boiler
title_fullStr Stress and integrity analysis of steam superheater tubes of a high pressure boiler
title_full_unstemmed Stress and integrity analysis of steam superheater tubes of a high pressure boiler
title_sort Stress and integrity analysis of steam superheater tubes of a high pressure boiler
author Neves,Daniel Leite Cypriano
author_facet Neves,Daniel Leite Cypriano
Seixas,Jansen Renato de Carvalho
Tinoco,Ediberto Bastos
Rocha,Adriana da Cunha
Abud,Ibrahim de Cerqueira
author_role author
author2 Seixas,Jansen Renato de Carvalho
Tinoco,Ediberto Bastos
Rocha,Adriana da Cunha
Abud,Ibrahim de Cerqueira
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Neves,Daniel Leite Cypriano
Seixas,Jansen Renato de Carvalho
Tinoco,Ediberto Bastos
Rocha,Adriana da Cunha
Abud,Ibrahim de Cerqueira
dc.subject.por.fl_str_mv superheater
high temperature damage
boiler
topic superheater
high temperature damage
boiler
description Sources that can lead to deterioration of steam superheater tubes of a high pressure boiler were studied by a stress analysis, focused on internal pressure and temperature experienced by the material at real operating conditions. Loss of flame control, internal deposits and unexpected peak charge are factors that generate loads above the design limit of tube materials, which can be subjected to strain, buckling, cracks and finally rupture in service. To evaluate integrity and dependability of these components, the microstructure of selected samples along the superheater was studied by optical microscopy. Associated with this analysis, dimensional inspection, nondestructive testing, hardness measurement and deposit examination were made to determine the resultant material condition after twenty three years of operation.
publishDate 2004
dc.date.none.fl_str_mv 2004-03-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392004000100021
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392004000100021
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S1516-14392004000100021
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv ABM, ABC, ABPol
publisher.none.fl_str_mv ABM, ABC, ABPol
dc.source.none.fl_str_mv Materials Research v.7 n.1 2004
reponame:Materials research (São Carlos. Online)
instname:Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
instname_str Universidade Federal de São Carlos (UFSCAR)
instacron_str ABM ABC ABPOL
institution ABM ABC ABPOL
reponame_str Materials research (São Carlos. Online)
collection Materials research (São Carlos. Online)
repository.name.fl_str_mv Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)
repository.mail.fl_str_mv dedz@power.ufscar.br
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