Manufacturing of highly porous titanium by metal injection molding in combination with plasma treatment

Detalhes bibliográficos
Autor(a) principal: Daudt, Natália de Freitas
Data de Publicação: 2017
Outros Autores: Bram, Martin, Barbosa, Ana Paula Cysne, Laptev, Alexander M., Alves Júnior, Clodomiro
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFRN
Texto Completo: https://repositorio.ufrn.br/handle/123456789/31947
Resumo: Highly-porous titanium was produced by metal injection molding (MIM) of feedstock containing potassium chloride particles as a space holder. Macroporosity was generated by dissolving the potassium chloride particles in water. Challenges for MIM of highly-porous parts include shape retention during debinding and sintering and achieving open surface porosity. This study demonstrates that plasma treatment can remedy both these effects for highly-porous titanium. Plasma treatment of unsintered MIM samples enables attaining porosities of up to 64% in combination with good dimensional accuracy. The effect of plasma treatment on the uptake of interstitial impurities, dimensional accuracy, sintered microstructure and porosity, as well as the interaction of the plasma with partially-debinded MIM samples, was investigated. Highly-porous titanium produced by MIM and plasma treatment is attractive for biomedical implants due to its low impurity content, good dimensional accuracy and shape stability in combination with enhanced open porosity, the latter contributing to bone ingrowth and implant fixation
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spelling Daudt, Natália de FreitasBram, MartinBarbosa, Ana Paula CysneLaptev, Alexander M.Alves Júnior, Clodomiro2021-03-19T14:37:00Z2021-03-19T14:37:00Z2017-01DAUDT, Natália de Freitas; BRAM, Martin; BARBOSA, Ana Paula Cysne; LAPTEV, Alexander M.; ALVES, Clodomiro. Manufacturing of highly porous titanium by metal injection molding in combination with plasma treatment. Journal of Materials Processing Technology, [S.L.], v. 239, p. 202-209, jan. 2017. Disponível em: https://www.sciencedirect.com/science/article/abs/pii/S0924013616302989?via%3Dihub. Acesso em: 03 fev. 2021. http://dx.doi.org/10.1016/j.jmatprotec.2016.08.0220924-0136https://repositorio.ufrn.br/handle/123456789/3194710.1016/j.jmatprotec.2016.08.022ElsevierAttribution 3.0 Brazilhttp://creativecommons.org/licenses/by/3.0/br/info:eu-repo/semantics/openAccessMetal injection moldingHighly porous titaniumSpace holder methodPlasma treatmentManufacturing of highly porous titanium by metal injection molding in combination with plasma treatmentinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleHighly-porous titanium was produced by metal injection molding (MIM) of feedstock containing potassium chloride particles as a space holder. Macroporosity was generated by dissolving the potassium chloride particles in water. Challenges for MIM of highly-porous parts include shape retention during debinding and sintering and achieving open surface porosity. This study demonstrates that plasma treatment can remedy both these effects for highly-porous titanium. Plasma treatment of unsintered MIM samples enables attaining porosities of up to 64% in combination with good dimensional accuracy. The effect of plasma treatment on the uptake of interstitial impurities, dimensional accuracy, sintered microstructure and porosity, as well as the interaction of the plasma with partially-debinded MIM samples, was investigated. 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dc.title.pt_BR.fl_str_mv Manufacturing of highly porous titanium by metal injection molding in combination with plasma treatment
title Manufacturing of highly porous titanium by metal injection molding in combination with plasma treatment
spellingShingle Manufacturing of highly porous titanium by metal injection molding in combination with plasma treatment
Daudt, Natália de Freitas
Metal injection molding
Highly porous titanium
Space holder method
Plasma treatment
title_short Manufacturing of highly porous titanium by metal injection molding in combination with plasma treatment
title_full Manufacturing of highly porous titanium by metal injection molding in combination with plasma treatment
title_fullStr Manufacturing of highly porous titanium by metal injection molding in combination with plasma treatment
title_full_unstemmed Manufacturing of highly porous titanium by metal injection molding in combination with plasma treatment
title_sort Manufacturing of highly porous titanium by metal injection molding in combination with plasma treatment
author Daudt, Natália de Freitas
author_facet Daudt, Natália de Freitas
Bram, Martin
Barbosa, Ana Paula Cysne
Laptev, Alexander M.
Alves Júnior, Clodomiro
author_role author
author2 Bram, Martin
Barbosa, Ana Paula Cysne
Laptev, Alexander M.
Alves Júnior, Clodomiro
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Daudt, Natália de Freitas
Bram, Martin
Barbosa, Ana Paula Cysne
Laptev, Alexander M.
Alves Júnior, Clodomiro
dc.subject.por.fl_str_mv Metal injection molding
Highly porous titanium
Space holder method
Plasma treatment
topic Metal injection molding
Highly porous titanium
Space holder method
Plasma treatment
description Highly-porous titanium was produced by metal injection molding (MIM) of feedstock containing potassium chloride particles as a space holder. Macroporosity was generated by dissolving the potassium chloride particles in water. Challenges for MIM of highly-porous parts include shape retention during debinding and sintering and achieving open surface porosity. This study demonstrates that plasma treatment can remedy both these effects for highly-porous titanium. Plasma treatment of unsintered MIM samples enables attaining porosities of up to 64% in combination with good dimensional accuracy. The effect of plasma treatment on the uptake of interstitial impurities, dimensional accuracy, sintered microstructure and porosity, as well as the interaction of the plasma with partially-debinded MIM samples, was investigated. Highly-porous titanium produced by MIM and plasma treatment is attractive for biomedical implants due to its low impurity content, good dimensional accuracy and shape stability in combination with enhanced open porosity, the latter contributing to bone ingrowth and implant fixation
publishDate 2017
dc.date.issued.fl_str_mv 2017-01
dc.date.accessioned.fl_str_mv 2021-03-19T14:37:00Z
dc.date.available.fl_str_mv 2021-03-19T14:37:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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status_str publishedVersion
dc.identifier.citation.fl_str_mv DAUDT, Natália de Freitas; BRAM, Martin; BARBOSA, Ana Paula Cysne; LAPTEV, Alexander M.; ALVES, Clodomiro. Manufacturing of highly porous titanium by metal injection molding in combination with plasma treatment. Journal of Materials Processing Technology, [S.L.], v. 239, p. 202-209, jan. 2017. Disponível em: https://www.sciencedirect.com/science/article/abs/pii/S0924013616302989?via%3Dihub. Acesso em: 03 fev. 2021. http://dx.doi.org/10.1016/j.jmatprotec.2016.08.022
dc.identifier.uri.fl_str_mv https://repositorio.ufrn.br/handle/123456789/31947
dc.identifier.issn.none.fl_str_mv 0924-0136
dc.identifier.doi.none.fl_str_mv 10.1016/j.jmatprotec.2016.08.022
identifier_str_mv DAUDT, Natália de Freitas; BRAM, Martin; BARBOSA, Ana Paula Cysne; LAPTEV, Alexander M.; ALVES, Clodomiro. Manufacturing of highly porous titanium by metal injection molding in combination with plasma treatment. Journal of Materials Processing Technology, [S.L.], v. 239, p. 202-209, jan. 2017. Disponível em: https://www.sciencedirect.com/science/article/abs/pii/S0924013616302989?via%3Dihub. Acesso em: 03 fev. 2021. http://dx.doi.org/10.1016/j.jmatprotec.2016.08.022
0924-0136
10.1016/j.jmatprotec.2016.08.022
url https://repositorio.ufrn.br/handle/123456789/31947
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rights_invalid_str_mv Attribution 3.0 Brazil
http://creativecommons.org/licenses/by/3.0/br/
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dc.publisher.none.fl_str_mv Elsevier
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