Manufatura aditiva da liga reciclada Al-Fe-Cr-Ti formadora de fase quasicristalina
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFSCAR |
Texto Completo: | https://repositorio.ufscar.br/handle/ufscar/12345 |
Resumo: | The precipitation of quasicrystalline phase in an α-Al dendritic matrix provides Al-based alloys with high mechanical and wear resistance, mainly at high temperatures, which are promising for applications as automotive and aeronautical engine parts. However, to form the quasicrystalline phase, a high cooling rate must be applied during solidification (~103 K/s), which is usually only precipitated in powders and ribbons because of their reduced thickness. Engine parts typically present complex geometry, being fabricated through casting and/or machining processes, with limited design possibilities. An alternative route to produce these components is using additive manufacturing, where the part is built layer by layer, which allows the production of parts with complex geometry and internal channels. Among the additive manufacturing processes, there is Selective Laser Melting (SLM). This process, besides allowing the production of parts with complex geometries and customized density, also allows achieving high cooling rates (up to 105K/s), which would allow, for example, to obtain quasicrystalline phases in Al-based alloys. Taking into this, the present project aimed to investigate the processability of the recycled Al95Fe2Cr2Ti1 quasicrystalline phase former alloy obtained by the SLM process and to understand phase formation and microstructure resulting. A detailed study was made aiming to obtain samples suitable to tensile and compressive tests, containing the quasicrystalline phases. The Al95Fe2Cr2Ti1 powder alloy and also the parts built by SLM were characterized regarding microstructure, thermal and mechanical stability by X-ray diffraction, differential scanning calorimetry, optical microscopy, scanning and transmission electron microscopy, energy dispersive spectrometer, density, mechanical tensile and compressive tests at different temperatures and hardness. The powder presented suitable characteristics for SLM process. Samples with good properties under compression and tensile strength were produced, which ones had a microstructure rich in i-QC phases. |
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Araújo, Aylanna Priscila Marques deGargarella, Piterhttp://lattes.cnpq.br/4641435644243916http://lattes.cnpq.br/17429379060455519eac6d34-e62e-4f2d-b5ca-d9b1871014992020-03-19T12:55:44Z2020-03-19T12:55:44Z2020-02-27ARAÚJO, Aylanna Priscila Marques de. Manufatura aditiva da liga reciclada Al-Fe-Cr-Ti formadora de fase quasicristalina. 2020. Dissertação (Mestrado em Ciência e Engenharia de Materiais) – Universidade Federal de São Carlos, São Carlos, 2020. Disponível em: https://repositorio.ufscar.br/handle/ufscar/12345.https://repositorio.ufscar.br/handle/ufscar/12345The precipitation of quasicrystalline phase in an α-Al dendritic matrix provides Al-based alloys with high mechanical and wear resistance, mainly at high temperatures, which are promising for applications as automotive and aeronautical engine parts. However, to form the quasicrystalline phase, a high cooling rate must be applied during solidification (~103 K/s), which is usually only precipitated in powders and ribbons because of their reduced thickness. Engine parts typically present complex geometry, being fabricated through casting and/or machining processes, with limited design possibilities. An alternative route to produce these components is using additive manufacturing, where the part is built layer by layer, which allows the production of parts with complex geometry and internal channels. Among the additive manufacturing processes, there is Selective Laser Melting (SLM). This process, besides allowing the production of parts with complex geometries and customized density, also allows achieving high cooling rates (up to 105K/s), which would allow, for example, to obtain quasicrystalline phases in Al-based alloys. Taking into this, the present project aimed to investigate the processability of the recycled Al95Fe2Cr2Ti1 quasicrystalline phase former alloy obtained by the SLM process and to understand phase formation and microstructure resulting. A detailed study was made aiming to obtain samples suitable to tensile and compressive tests, containing the quasicrystalline phases. The Al95Fe2Cr2Ti1 powder alloy and also the parts built by SLM were characterized regarding microstructure, thermal and mechanical stability by X-ray diffraction, differential scanning calorimetry, optical microscopy, scanning and transmission electron microscopy, energy dispersive spectrometer, density, mechanical tensile and compressive tests at different temperatures and hardness. The powder presented suitable characteristics for SLM process. Samples with good properties under compression and tensile strength were produced, which ones had a microstructure rich in i-QC phases.A precipitação de fase quasicristalina em matriz αAl propicia uma elevada resistência mecânica e ao desgaste, principalmente a elevadas temperaturas, tornando as ligas à base de Al formadoras de fases quasicristalinas promissoras em aplicações como peças de motores automotivos e aeronáuticos. No entanto, para a formação da fase quasicristalina, uma alta taxa de resfriamento deve ser imposta ao material (da ordem de 103 K/s), o que geralmente só é possível em material na forma de pó ou fita. Peças de motores geralmente apresentam geometria complexa, sendo fabricadas através de processos de fundição e/ou usinagem, limitando as possibilidades de design da peça. Uma rota alternativa para a produção desses componentes seria processos de manufatura aditiva (MA), onde a peça é construída camada por camada, o que permite a produção de peças com geometria complexa e canais internos. A Fusão Seletiva por Laser (FSL) é uma técnica da MA que, além de permitir a produção de peças com geometrias complexas e densidade customizada, também permite atingir altas taxas de resfriamento no material processado (~105 K/s), o que permitiria, por exemplo, a obtenção das fases quasicristalinas em ligas à base de Al. Considerando isso, o presente projeto visou investigar a processabilidade da liga reciclada formadora de fase quasicristalina Al95Fe2Cr2Ti1 pelo método de FSL e compreender a formação de fases e a microestrutura resultante. Foi feito um estudo detalhado visando a obtenção de corpos de prova adequados para ensaios de tração e compressão, contendo as fases quasicristalinas. Tanto os pós, como as peças obtidas por FSL foram caracterizados por difratômetria de raios X, calorimetria diferencial de varredura, microscopia ótica, microscopia eletrônica de varredura e de transmissão, análise química, densidade, ensaios mecânicos de tração e compressão em diferentes temperaturas e de dureza. O pó se mostrou adequado para a técnica de FSL. Amostras com boas propriedades em compressão e tração foram obtidas, as quais apresentaram microestrutura rica em fases i-QC.Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)FAPESP: 2018/04209-5.CNPq: 130824/2018-6.porUniversidade Federal de São CarlosCâmpus São CarlosPrograma de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEMUFSCarAttribution-NonCommercial-NoDerivs 3.0 Brazilhttp://creativecommons.org/licenses/by-nc-nd/3.0/br/info:eu-repo/semantics/openAccessFusão seletiva à laserManufatura aditivaLigas de alumínioQuasicristaisReciclagemSelective laser meltingAdditive manufacturingAluminium alloysQuasicrystalline phasesRecyclingENGENHARIAS::ENGENHARIA DE MATERIAIS E METALURGICA::METALURGIA DE TRANSFORMACAOENGENHARIAS::ENGENHARIA DE MATERIAIS E METALURGICA::METALURGIA FISICAManufatura aditiva da liga reciclada Al-Fe-Cr-Ti formadora de fase quasicristalinaAdditive manufacturing of the recycled Al-Fe-Cr-Ti quasicrystalline phase former alloyinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis6008cb1c1b0-0807-4073-8a7d-eba0dc29feafreponame:Repositório Institucional da UFSCARinstname:Universidade Federal de São Carlos (UFSCAR)instacron:UFSCARORIGINALAylanna Priscila Marques de Araújo - Dissertação.pdfAylanna Priscila Marques de Araújo - Dissertação.pdfDissertação de mestrado.application/pdf9293497https://repositorio.ufscar.br/bitstream/ufscar/12345/1/Aylanna%20Priscila%20Marques%20de%20Ara%c3%bajo%20-%20Disserta%c3%a7%c3%a3o.pdf933bc73dd57f46cf31a8495a46d35999MD51BCO carta comprovante autoarquivamento.pdfBCO carta comprovante autoarquivamento.pdfBCO carta comprovante autoarquivamento.application/pdf380990https://repositorio.ufscar.br/bitstream/ufscar/12345/2/BCO%20carta%20comprovante%20autoarquivamento.pdf65b6294145a854b820f440dd94b8c029MD52CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; charset=utf-8811https://repositorio.ufscar.br/bitstream/ufscar/12345/3/license_rdfe39d27027a6cc9cb039ad269a5db8e34MD53TEXTAylanna Priscila Marques de Araújo - Dissertação.pdf.txtAylanna Priscila Marques de Araújo - Dissertação.pdf.txtExtracted texttext/plain204970https://repositorio.ufscar.br/bitstream/ufscar/12345/4/Aylanna%20Priscila%20Marques%20de%20Ara%c3%bajo%20-%20Disserta%c3%a7%c3%a3o.pdf.txt198fae9682994f9dea3a5e025fc23999MD54BCO carta comprovante autoarquivamento.pdf.txtBCO carta comprovante autoarquivamento.pdf.txtExtracted texttext/plain1440https://repositorio.ufscar.br/bitstream/ufscar/12345/6/BCO%20carta%20comprovante%20autoarquivamento.pdf.txt4af1a1a028074fb746aaf815e3c6574bMD56THUMBNAILAylanna Priscila Marques de Araújo - Dissertação.pdf.jpgAylanna Priscila Marques de Araújo - Dissertação.pdf.jpgIM Thumbnailimage/jpeg5784https://repositorio.ufscar.br/bitstream/ufscar/12345/5/Aylanna%20Priscila%20Marques%20de%20Ara%c3%bajo%20-%20Disserta%c3%a7%c3%a3o.pdf.jpgb3f8ee7cc77f5317f507b6d6d36dcf7eMD55BCO carta comprovante autoarquivamento.pdf.jpgBCO carta comprovante autoarquivamento.pdf.jpgIM Thumbnailimage/jpeg9407https://repositorio.ufscar.br/bitstream/ufscar/12345/7/BCO%20carta%20comprovante%20autoarquivamento.pdf.jpg7ed835854d538d58eb214a5ff8337094MD57ufscar/123452023-09-18 18:31:51.804oai:repositorio.ufscar.br:ufscar/12345Repositório InstitucionalPUBhttps://repositorio.ufscar.br/oai/requestopendoar:43222023-09-18T18:31:51Repositório Institucional da UFSCAR - Universidade Federal de São Carlos (UFSCAR)false |
dc.title.por.fl_str_mv |
Manufatura aditiva da liga reciclada Al-Fe-Cr-Ti formadora de fase quasicristalina |
dc.title.alternative.eng.fl_str_mv |
Additive manufacturing of the recycled Al-Fe-Cr-Ti quasicrystalline phase former alloy |
title |
Manufatura aditiva da liga reciclada Al-Fe-Cr-Ti formadora de fase quasicristalina |
spellingShingle |
Manufatura aditiva da liga reciclada Al-Fe-Cr-Ti formadora de fase quasicristalina Araújo, Aylanna Priscila Marques de Fusão seletiva à laser Manufatura aditiva Ligas de alumínio Quasicristais Reciclagem Selective laser melting Additive manufacturing Aluminium alloys Quasicrystalline phases Recycling ENGENHARIAS::ENGENHARIA DE MATERIAIS E METALURGICA::METALURGIA DE TRANSFORMACAO ENGENHARIAS::ENGENHARIA DE MATERIAIS E METALURGICA::METALURGIA FISICA |
title_short |
Manufatura aditiva da liga reciclada Al-Fe-Cr-Ti formadora de fase quasicristalina |
title_full |
Manufatura aditiva da liga reciclada Al-Fe-Cr-Ti formadora de fase quasicristalina |
title_fullStr |
Manufatura aditiva da liga reciclada Al-Fe-Cr-Ti formadora de fase quasicristalina |
title_full_unstemmed |
Manufatura aditiva da liga reciclada Al-Fe-Cr-Ti formadora de fase quasicristalina |
title_sort |
Manufatura aditiva da liga reciclada Al-Fe-Cr-Ti formadora de fase quasicristalina |
author |
Araújo, Aylanna Priscila Marques de |
author_facet |
Araújo, Aylanna Priscila Marques de |
author_role |
author |
dc.contributor.authorlattes.por.fl_str_mv |
http://lattes.cnpq.br/1742937906045551 |
dc.contributor.author.fl_str_mv |
Araújo, Aylanna Priscila Marques de |
dc.contributor.advisor1.fl_str_mv |
Gargarella, Piter |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/4641435644243916 |
dc.contributor.authorID.fl_str_mv |
9eac6d34-e62e-4f2d-b5ca-d9b187101499 |
contributor_str_mv |
Gargarella, Piter |
dc.subject.por.fl_str_mv |
Fusão seletiva à laser Manufatura aditiva Ligas de alumínio Quasicristais Reciclagem |
topic |
Fusão seletiva à laser Manufatura aditiva Ligas de alumínio Quasicristais Reciclagem Selective laser melting Additive manufacturing Aluminium alloys Quasicrystalline phases Recycling ENGENHARIAS::ENGENHARIA DE MATERIAIS E METALURGICA::METALURGIA DE TRANSFORMACAO ENGENHARIAS::ENGENHARIA DE MATERIAIS E METALURGICA::METALURGIA FISICA |
dc.subject.eng.fl_str_mv |
Selective laser melting Additive manufacturing Aluminium alloys Quasicrystalline phases Recycling |
dc.subject.cnpq.fl_str_mv |
ENGENHARIAS::ENGENHARIA DE MATERIAIS E METALURGICA::METALURGIA DE TRANSFORMACAO ENGENHARIAS::ENGENHARIA DE MATERIAIS E METALURGICA::METALURGIA FISICA |
description |
The precipitation of quasicrystalline phase in an α-Al dendritic matrix provides Al-based alloys with high mechanical and wear resistance, mainly at high temperatures, which are promising for applications as automotive and aeronautical engine parts. However, to form the quasicrystalline phase, a high cooling rate must be applied during solidification (~103 K/s), which is usually only precipitated in powders and ribbons because of their reduced thickness. Engine parts typically present complex geometry, being fabricated through casting and/or machining processes, with limited design possibilities. An alternative route to produce these components is using additive manufacturing, where the part is built layer by layer, which allows the production of parts with complex geometry and internal channels. Among the additive manufacturing processes, there is Selective Laser Melting (SLM). This process, besides allowing the production of parts with complex geometries and customized density, also allows achieving high cooling rates (up to 105K/s), which would allow, for example, to obtain quasicrystalline phases in Al-based alloys. Taking into this, the present project aimed to investigate the processability of the recycled Al95Fe2Cr2Ti1 quasicrystalline phase former alloy obtained by the SLM process and to understand phase formation and microstructure resulting. A detailed study was made aiming to obtain samples suitable to tensile and compressive tests, containing the quasicrystalline phases. The Al95Fe2Cr2Ti1 powder alloy and also the parts built by SLM were characterized regarding microstructure, thermal and mechanical stability by X-ray diffraction, differential scanning calorimetry, optical microscopy, scanning and transmission electron microscopy, energy dispersive spectrometer, density, mechanical tensile and compressive tests at different temperatures and hardness. The powder presented suitable characteristics for SLM process. Samples with good properties under compression and tensile strength were produced, which ones had a microstructure rich in i-QC phases. |
publishDate |
2020 |
dc.date.accessioned.fl_str_mv |
2020-03-19T12:55:44Z |
dc.date.available.fl_str_mv |
2020-03-19T12:55:44Z |
dc.date.issued.fl_str_mv |
2020-02-27 |
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info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
ARAÚJO, Aylanna Priscila Marques de. Manufatura aditiva da liga reciclada Al-Fe-Cr-Ti formadora de fase quasicristalina. 2020. Dissertação (Mestrado em Ciência e Engenharia de Materiais) – Universidade Federal de São Carlos, São Carlos, 2020. Disponível em: https://repositorio.ufscar.br/handle/ufscar/12345. |
dc.identifier.uri.fl_str_mv |
https://repositorio.ufscar.br/handle/ufscar/12345 |
identifier_str_mv |
ARAÚJO, Aylanna Priscila Marques de. Manufatura aditiva da liga reciclada Al-Fe-Cr-Ti formadora de fase quasicristalina. 2020. Dissertação (Mestrado em Ciência e Engenharia de Materiais) – Universidade Federal de São Carlos, São Carlos, 2020. Disponível em: https://repositorio.ufscar.br/handle/ufscar/12345. |
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https://repositorio.ufscar.br/handle/ufscar/12345 |
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600 |
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Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ info:eu-repo/semantics/openAccess |
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Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ |
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openAccess |
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Universidade Federal de São Carlos Câmpus São Carlos |
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Programa de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM |
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UFSCar |
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Universidade Federal de São Carlos Câmpus São Carlos |
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