Effect of Laser Power and Substrate on the Hastelloy C276TM Coatings Features Deposited by Laser Cladding
Autor(a) principal: | |
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Data de Publicação: | 2020 |
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=S1516-14392020000200220 |
Resumo: | Abstract Laser power influences the range of dilution with the substrate and thus, the microstructure and properties of the coatings. This work evaluated the effect of laser power on the dilution, microstructure, hardness and wear behavior of Hastelloy C276TM alloy coatings deposited on AISI 304L stainless steel and GGG40 ductile iron. The microstructure was comprised of γ (Ni-FCC) dendrites and molybdenum-rich interdendritic regions containing carbides. The coatings showed similar second phase nature and fraction and equivalent hardness and wear behavior for the lowest laser power condition. Otherwise, higher power on 304L induced to a lower fraction of blocky-like M23C6/MC carbides; whilst on GGG40 led to a higher fraction of a predominantly lamellar M6C type carbide. Largely diluted coatings on ductile iron entailed differences in the strengthening mechanisms which led to higher hardness and lower wear rate. Moreover, wear tracks showed surface oxidation which in turn negatively influenced the performance of specimens with low dilution on both substrates. On the other way, with high dilution, this feature was only observed on stainless steel. |
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Materials research (São Carlos. Online) |
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Effect of Laser Power and Substrate on the Hastelloy C276TM Coatings Features Deposited by Laser Cladding: Laser CladdingHastelloy C276TMDilutionMicrostructureHardnessWear BehaviorAISI 304L stainless steelGGG40 ductile ironAbstract Laser power influences the range of dilution with the substrate and thus, the microstructure and properties of the coatings. This work evaluated the effect of laser power on the dilution, microstructure, hardness and wear behavior of Hastelloy C276TM alloy coatings deposited on AISI 304L stainless steel and GGG40 ductile iron. The microstructure was comprised of γ (Ni-FCC) dendrites and molybdenum-rich interdendritic regions containing carbides. The coatings showed similar second phase nature and fraction and equivalent hardness and wear behavior for the lowest laser power condition. Otherwise, higher power on 304L induced to a lower fraction of blocky-like M23C6/MC carbides; whilst on GGG40 led to a higher fraction of a predominantly lamellar M6C type carbide. Largely diluted coatings on ductile iron entailed differences in the strengthening mechanisms which led to higher hardness and lower wear rate. Moreover, wear tracks showed surface oxidation which in turn negatively influenced the performance of specimens with low dilution on both substrates. On the other way, with high dilution, this feature was only observed on stainless steel.ABM, ABC, ABPol2020-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392020000200220Materials Research v.23 n.2 2020reponame:Materials research (São Carlos. Online)instname:Universidade Federal de São Carlos (UFSCAR)instacron:ABM ABC ABPOL10.1590/1980-5373-mr-2020-0067info:eu-repo/semantics/openAccessRivero,Lubar Eduardo Hortmann SantosPizzatto,AlexTeixeira,Moises FelipeRabelo,AlexsandroFalcade,TiagoScheid,Adrianoeng2020-06-04T00:00:00Zoai:scielo:S1516-14392020000200220Revistahttp://www.scielo.br/mrPUBhttps://old.scielo.br/oai/scielo-oai.phpdedz@power.ufscar.br1980-53731516-1439opendoar:2020-06-04T00:00Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)false |
dc.title.none.fl_str_mv |
Effect of Laser Power and Substrate on the Hastelloy C276TM Coatings Features Deposited by Laser Cladding |
title |
Effect of Laser Power and Substrate on the Hastelloy C276TM Coatings Features Deposited by Laser Cladding |
spellingShingle |
Effect of Laser Power and Substrate on the Hastelloy C276TM Coatings Features Deposited by Laser Cladding Rivero,Lubar Eduardo Hortmann Santos : Laser Cladding Hastelloy C276TM Dilution Microstructure Hardness Wear Behavior AISI 304L stainless steel GGG40 ductile iron |
title_short |
Effect of Laser Power and Substrate on the Hastelloy C276TM Coatings Features Deposited by Laser Cladding |
title_full |
Effect of Laser Power and Substrate on the Hastelloy C276TM Coatings Features Deposited by Laser Cladding |
title_fullStr |
Effect of Laser Power and Substrate on the Hastelloy C276TM Coatings Features Deposited by Laser Cladding |
title_full_unstemmed |
Effect of Laser Power and Substrate on the Hastelloy C276TM Coatings Features Deposited by Laser Cladding |
title_sort |
Effect of Laser Power and Substrate on the Hastelloy C276TM Coatings Features Deposited by Laser Cladding |
author |
Rivero,Lubar Eduardo Hortmann Santos |
author_facet |
Rivero,Lubar Eduardo Hortmann Santos Pizzatto,Alex Teixeira,Moises Felipe Rabelo,Alexsandro Falcade,Tiago Scheid,Adriano |
author_role |
author |
author2 |
Pizzatto,Alex Teixeira,Moises Felipe Rabelo,Alexsandro Falcade,Tiago Scheid,Adriano |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Rivero,Lubar Eduardo Hortmann Santos Pizzatto,Alex Teixeira,Moises Felipe Rabelo,Alexsandro Falcade,Tiago Scheid,Adriano |
dc.subject.por.fl_str_mv |
: Laser Cladding Hastelloy C276TM Dilution Microstructure Hardness Wear Behavior AISI 304L stainless steel GGG40 ductile iron |
topic |
: Laser Cladding Hastelloy C276TM Dilution Microstructure Hardness Wear Behavior AISI 304L stainless steel GGG40 ductile iron |
description |
Abstract Laser power influences the range of dilution with the substrate and thus, the microstructure and properties of the coatings. This work evaluated the effect of laser power on the dilution, microstructure, hardness and wear behavior of Hastelloy C276TM alloy coatings deposited on AISI 304L stainless steel and GGG40 ductile iron. The microstructure was comprised of γ (Ni-FCC) dendrites and molybdenum-rich interdendritic regions containing carbides. The coatings showed similar second phase nature and fraction and equivalent hardness and wear behavior for the lowest laser power condition. Otherwise, higher power on 304L induced to a lower fraction of blocky-like M23C6/MC carbides; whilst on GGG40 led to a higher fraction of a predominantly lamellar M6C type carbide. Largely diluted coatings on ductile iron entailed differences in the strengthening mechanisms which led to higher hardness and lower wear rate. Moreover, wear tracks showed surface oxidation which in turn negatively influenced the performance of specimens with low dilution on both substrates. On the other way, with high dilution, this feature was only observed on stainless steel. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-01-01 |
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=S1516-14392020000200220 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392020000200220 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/1980-5373-mr-2020-0067 |
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.23 n.2 2020 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_ |
1754212677081628672 |