DEVELOPMENT OF NEW β TI-25TA-ZR ALLOYS FOR BIOMEDICAL APLICATIONS
"2022-02-21" // app/Providers/../Base/Publico/Artigo/resources/show_includes/info_artigo.blade.php
App\Base\Administrativo\Model\Artigo {#1843 // app/Providers/../Base/Publico/Artigo/resources/show_includes/info_artigo.blade.php #connection: "mysql" +table: "artigo" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:35 [ "id" => 83340 "edicao_id" => 195 "trabalho_id" => 59 "inscrito_id" => 93 "titulo" => "DEVELOPMENT OF NEW β TI-25TA-ZR ALLOYS FOR BIOMEDICAL APLICATIONS" "resumo" => "TITANIUM IS A TRANSITION METAL THAT HAS AN ALLOTROPIC TRANSFORMATION AROUND 883 °C. BELOW THIS TEMPERATURE, ITS CRYSTALLINE STRUCTURE IS A HEXAGONAL COMPACT (α PHASE). ABOVE THIS TEMPERATURE, IT HAS A BODY-CENTERED CUBIC CRYSTALLINE STRUCTURE (β PHASE). ZIRCONIUM HAS AN ALLOTROPIC TRANSFORMATION SIMILAR TO TITANIUM AT AROUND 862 °C, AND TANTALUM HAS A BODY-CENTERED CUBIC CRYSTALLINE STRUCTURE. THE OBJECTIVE OF THIS STUDY WAS TO PRODUCE TI-25WT%TA ALLOYS AS A BASE MATERIAL, VARYING ZIRCONIUM (0, 25, AND 50WT%). THE TI-25TA-XZR ALLOYS WERE PREPARED IN AN ARC-MELTING FURNACE WITH A NON-CONSUMABLE TUNGSTEN ELECTRODE AND WATER-COOLED COPPER CRUCIBLE IN ARGON-CONTROLLED ATMOSPHERE. THE MICROSTRUCTURAL ANALYSIS WAS PERFORMED BY X-RAY DIFFRACTION (XRD), OPTICAL (OM) AND SCANNING ELECTRON MICROSCOPY (SEM). THE MECHANICAL PROPERTIES WERE ANALYZED BY MICROHARDNESS AND YOUNG€™S MODULUS MEASUREMENTS. XRD ANALYSIS REVEALED THE PRESENCE OF THE MARTENSITE α€ PHASE (ORTHORHOMBIC) IN THE ALLOY WITHOUT ZR; THE α€ + β PHASES FOR ALLOYS WITH 25 WT% ZR AND ONLY β PHASE FOR ALLOY WITH 50 WT% ZR. THESE RESULTS WERE CORROBORATED BY THE MICROSCOPY RESULTS, WITH A MICROSTRUCTURE COMPOSED OF GRAINS OF THE β PHASE AND NEEDLES OF THE α'' PHASE IN THE INTRAGRANULAR REGION. THE VALUES OF HARDNESS WERE GREATER THAN THE CP-TI DUE TO THE ACTION OF THE SUBSTITUTIONAL ELEMENTS, RESTRICTING THE MOVEMENT OF DISLOCATIONS IN THE ATOMIC PLANS. THE YOUNG€™S MODULUS DECREASES WITH THE INCREASE IN ZR CONTENT IN THE TI-25TA-XZR ALLOYS DUE TO THE STABILIZATION OF THE β PHASE." "modalidade" => "Poster" "area_tematica" => "NEW MATERIALS FOR BIOLOGICAL APPLICATIONS" "palavra_chave" => "TITANIUM, BIOMATERIAL, YOUNG'S MODULUS, , " "idioma" => "Português" "arquivo" => "TRABALHO_EV170_MD4_SA101_ID93_22112021185248.pdf" "created_at" => "2022-02-16 10:17:52" "updated_at" => null "ativo" => 1 "autor_nome" => "PEDRO AKIRA BAZAGLIA KURODA" "autor_nome_curto" => "PEDRO KURODA" "autor_email" => "pedrokuroda@gmail.com" "autor_ies" => "UNIVERSIDADE FEDERAL DE SÃO CARLOS" "autor_imagem" => "" "edicao_url" => "anais-do-latin-american-congress-of-artificial-organs-and-biomaterials" "edicao_nome" => "Anais do XI Latin American Congress of Artificial Organs and Biomaterials (COLAOB)" "edicao_evento" => "XI Latin American Congress of Artificial Organs and Biomaterials" "edicao_ano" => 2022 "edicao_pasta" => "anais/colaob/2021" "edicao_logo" => null "edicao_capa" => "61fc15636d9b1_03022022144819.jpg" "data_publicacao" => "2022-02-21" "edicao_publicada_em" => "2022-01-26 10:43:13" "publicacao_id" => 91 "publicacao_nome" => "Revista do Latin American Congresso of Artificial Organs and Biomaterials (COLAOB)" "publicacao_codigo" => "978-65-86901-54-2" "tipo_codigo_id" => 2 "tipo_codigo_nome" => "ISBN" "tipo_publicacao_id" => 1 "tipo_publicacao_nome" => "ANAIS de Evento" ] #original: array:35 [ "id" => 83340 "edicao_id" => 195 "trabalho_id" => 59 "inscrito_id" => 93 "titulo" => "DEVELOPMENT OF NEW β TI-25TA-ZR ALLOYS FOR BIOMEDICAL APLICATIONS" "resumo" => "TITANIUM IS A TRANSITION METAL THAT HAS AN ALLOTROPIC TRANSFORMATION AROUND 883 °C. BELOW THIS TEMPERATURE, ITS CRYSTALLINE STRUCTURE IS A HEXAGONAL COMPACT (α PHASE). ABOVE THIS TEMPERATURE, IT HAS A BODY-CENTERED CUBIC CRYSTALLINE STRUCTURE (β PHASE). ZIRCONIUM HAS AN ALLOTROPIC TRANSFORMATION SIMILAR TO TITANIUM AT AROUND 862 °C, AND TANTALUM HAS A BODY-CENTERED CUBIC CRYSTALLINE STRUCTURE. THE OBJECTIVE OF THIS STUDY WAS TO PRODUCE TI-25WT%TA ALLOYS AS A BASE MATERIAL, VARYING ZIRCONIUM (0, 25, AND 50WT%). THE TI-25TA-XZR ALLOYS WERE PREPARED IN AN ARC-MELTING FURNACE WITH A NON-CONSUMABLE TUNGSTEN ELECTRODE AND WATER-COOLED COPPER CRUCIBLE IN ARGON-CONTROLLED ATMOSPHERE. THE MICROSTRUCTURAL ANALYSIS WAS PERFORMED BY X-RAY DIFFRACTION (XRD), OPTICAL (OM) AND SCANNING ELECTRON MICROSCOPY (SEM). THE MECHANICAL PROPERTIES WERE ANALYZED BY MICROHARDNESS AND YOUNG€™S MODULUS MEASUREMENTS. XRD ANALYSIS REVEALED THE PRESENCE OF THE MARTENSITE α€ PHASE (ORTHORHOMBIC) IN THE ALLOY WITHOUT ZR; THE α€ + β PHASES FOR ALLOYS WITH 25 WT% ZR AND ONLY β PHASE FOR ALLOY WITH 50 WT% ZR. THESE RESULTS WERE CORROBORATED BY THE MICROSCOPY RESULTS, WITH A MICROSTRUCTURE COMPOSED OF GRAINS OF THE β PHASE AND NEEDLES OF THE α'' PHASE IN THE INTRAGRANULAR REGION. THE VALUES OF HARDNESS WERE GREATER THAN THE CP-TI DUE TO THE ACTION OF THE SUBSTITUTIONAL ELEMENTS, RESTRICTING THE MOVEMENT OF DISLOCATIONS IN THE ATOMIC PLANS. THE YOUNG€™S MODULUS DECREASES WITH THE INCREASE IN ZR CONTENT IN THE TI-25TA-XZR ALLOYS DUE TO THE STABILIZATION OF THE β PHASE." 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