Stress and integrity analysis of steam superheater tubes of a high pressure boiler
Autor(a) principal: | |
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Data de Publicação: | 2004 |
Outros Autores: | , , , |
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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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 |
_version_ |
1754212657675632640 |