Plane-strain fracture toughness of thin additively manufactured maraging steel samples
Autor(a) principal: | |
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Data de Publicação: | 2022 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.addma.2021.102509 http://hdl.handle.net/11449/222977 |
Resumo: | This study aimed to evaluate the aging effects on mechanical properties of 18Ni (300) maraging steel processed by additive manufacturing powder bed fusion and subjected to different aging conditions. The aging temperatures were 470 °C, 510 °C, and 530 °C, with exposure times ranging from 0.33 to 96 h, followed by air cooling. Despite the layer-by-layer material consolidation mechanism, weak preferred orientation was found in the as-built condition; moreover, only martensite and austenite were found in the X-ray diffraction results. This alloy showed a steep increase in hardness, compressive strength, and tensile strength, while the work-hardening ability decreased with aging. Despite using thin single-edge bending samples (5 mm), the plane-strain fracture toughness (KIC) size requirement was met, and valid KIC results were 49 ~ 64 MPam. This result could help design new additive manufacturing applications of high-strength steel, such as thin-walled, lattice structures, and reduced cross-section parts projected to minimize weight in different industries. |
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Plane-strain fracture toughness of thin additively manufactured maraging steel samplesHardnessMaraging steelMechanical propertiesPowder bed fusionTensile testThis study aimed to evaluate the aging effects on mechanical properties of 18Ni (300) maraging steel processed by additive manufacturing powder bed fusion and subjected to different aging conditions. The aging temperatures were 470 °C, 510 °C, and 530 °C, with exposure times ranging from 0.33 to 96 h, followed by air cooling. Despite the layer-by-layer material consolidation mechanism, weak preferred orientation was found in the as-built condition; moreover, only martensite and austenite were found in the X-ray diffraction results. This alloy showed a steep increase in hardness, compressive strength, and tensile strength, while the work-hardening ability decreased with aging. Despite using thin single-edge bending samples (5 mm), the plane-strain fracture toughness (KIC) size requirement was met, and valid KIC results were 49 ~ 64 MPam. This result could help design new additive manufacturing applications of high-strength steel, such as thin-walled, lattice structures, and reduced cross-section parts projected to minimize weight in different industries.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)School of Mechanical Engineering University of Campinas (UNICAMP)São Paulo State University (UNESP)National Institute of Biofabrication School of Chemical Engineering University of Campinas (UNICAMP)São Paulo State University (UNESP)FAPESP: 17/17697-5Universidade Estadual de Campinas (UNICAMP)Universidade Estadual Paulista (UNESP)Santos, Pedro L.L.Avila, Julian A. [UNESP]da Fonseca, Eduardo B.Gabriel, André H.G.Jardini, André L.Lopes, Éder S.N.2022-04-28T19:47:51Z2022-04-28T19:47:51Z2022-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1016/j.addma.2021.102509Additive Manufacturing, v. 49.2214-8604http://hdl.handle.net/11449/22297710.1016/j.addma.2021.1025092-s2.0-85120496335Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengAdditive Manufacturinginfo:eu-repo/semantics/openAccess2022-04-28T19:47:51Zoai:repositorio.unesp.br:11449/222977Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462022-04-28T19:47:51Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Plane-strain fracture toughness of thin additively manufactured maraging steel samples |
title |
Plane-strain fracture toughness of thin additively manufactured maraging steel samples |
spellingShingle |
Plane-strain fracture toughness of thin additively manufactured maraging steel samples Santos, Pedro L.L. Hardness Maraging steel Mechanical properties Powder bed fusion Tensile test |
title_short |
Plane-strain fracture toughness of thin additively manufactured maraging steel samples |
title_full |
Plane-strain fracture toughness of thin additively manufactured maraging steel samples |
title_fullStr |
Plane-strain fracture toughness of thin additively manufactured maraging steel samples |
title_full_unstemmed |
Plane-strain fracture toughness of thin additively manufactured maraging steel samples |
title_sort |
Plane-strain fracture toughness of thin additively manufactured maraging steel samples |
author |
Santos, Pedro L.L. |
author_facet |
Santos, Pedro L.L. Avila, Julian A. [UNESP] da Fonseca, Eduardo B. Gabriel, André H.G. Jardini, André L. Lopes, Éder S.N. |
author_role |
author |
author2 |
Avila, Julian A. [UNESP] da Fonseca, Eduardo B. Gabriel, André H.G. Jardini, André L. Lopes, Éder S.N. |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual de Campinas (UNICAMP) Universidade Estadual Paulista (UNESP) |
dc.contributor.author.fl_str_mv |
Santos, Pedro L.L. Avila, Julian A. [UNESP] da Fonseca, Eduardo B. Gabriel, André H.G. Jardini, André L. Lopes, Éder S.N. |
dc.subject.por.fl_str_mv |
Hardness Maraging steel Mechanical properties Powder bed fusion Tensile test |
topic |
Hardness Maraging steel Mechanical properties Powder bed fusion Tensile test |
description |
This study aimed to evaluate the aging effects on mechanical properties of 18Ni (300) maraging steel processed by additive manufacturing powder bed fusion and subjected to different aging conditions. The aging temperatures were 470 °C, 510 °C, and 530 °C, with exposure times ranging from 0.33 to 96 h, followed by air cooling. Despite the layer-by-layer material consolidation mechanism, weak preferred orientation was found in the as-built condition; moreover, only martensite and austenite were found in the X-ray diffraction results. This alloy showed a steep increase in hardness, compressive strength, and tensile strength, while the work-hardening ability decreased with aging. Despite using thin single-edge bending samples (5 mm), the plane-strain fracture toughness (KIC) size requirement was met, and valid KIC results were 49 ~ 64 MPam. This result could help design new additive manufacturing applications of high-strength steel, such as thin-walled, lattice structures, and reduced cross-section parts projected to minimize weight in different industries. |
publishDate |
2022 |
dc.date.none.fl_str_mv |
2022-04-28T19:47:51Z 2022-04-28T19:47:51Z 2022-01-01 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1016/j.addma.2021.102509 Additive Manufacturing, v. 49. 2214-8604 http://hdl.handle.net/11449/222977 10.1016/j.addma.2021.102509 2-s2.0-85120496335 |
url |
http://dx.doi.org/10.1016/j.addma.2021.102509 http://hdl.handle.net/11449/222977 |
identifier_str_mv |
Additive Manufacturing, v. 49. 2214-8604 10.1016/j.addma.2021.102509 2-s2.0-85120496335 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Additive Manufacturing |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1797789585114136576 |