{"id":119708,"date":"2023-02-08T18:31:42","date_gmt":"2023-02-08T17:31:42","guid":{"rendered":"https:\/\/material-properties.org\/o-que-e-densidade-de-ligas-de-titanio-definicao\/"},"modified":"2023-02-16T08:36:07","modified_gmt":"2023-02-16T07:36:07","slug":"o-que-e-densidade-de-ligas-de-titanio-definicao","status":"publish","type":"post","link":"https:\/\/material-properties.org\/pt-br\/o-que-e-densidade-de-ligas-de-titanio-definicao\/","title":{"rendered":"O que \u00e9 densidade de ligas de tit\u00e2nio &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<p><span><div class=\"su-quote su-quote-style-default\"><div class=\"su-quote-inner su-u-clearfix su-u-trim\"> A densidade das ligas t\u00edpicas de tit\u00e2nio \u00e9 de cerca de 4,43 g\/cm<sup>3<\/sup> (Ti-6Al-4V). As duas propriedades mais \u00fateis do metal s\u00e3o a resist\u00eancia \u00e0 corros\u00e3o e a rela\u00e7\u00e3o resist\u00eancia-densidade, a mais alta de qualquer elemento met\u00e1lico.<\/div><\/div><\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p><span><div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><strong><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/titanium-grade-5-image-min.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-29423\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/titanium-grade-5-image-min-300x300.png\" alt=\"Liga de tit\u00e2nio\" width=\"300\" height=\"300\" \/><\/a><span>O tit\u00e2nio<\/span><\/strong><span>\u00a0\u00e9 um metal de transi\u00e7\u00e3o brilhante com uma cor prateada,\u00a0<\/span><strong><span>baixa densidade<\/span><\/strong><span>\u00a0e\u00a0<\/span><strong><span>alta resist\u00eancia<\/span><\/strong><span>.\u00a0O tit\u00e2nio \u00e9\u00a0<\/span><strong><span>resistente \u00e0 corros\u00e3o<\/span><\/strong><span>\u00a0na \u00e1gua do mar, \u00e1gua r\u00e9gia e cloro.\u00a0Em usinas de energia, o tit\u00e2nio pode ser usado em\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/turbine-generator-power-conversion-system\/main-condenser-steam-condenser\/types-of-steam-condensers\/\"><span>condensadores de superf\u00edcie<\/span><\/a><span>.\u00a0O tit\u00e2nio puro \u00e9 mais forte que os a\u00e7os comuns de baixo teor de carbono, mas 45% mais leve.\u00a0Tamb\u00e9m \u00e9 duas vezes mais forte que\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/alloys-composition-properties-of-metal-alloys\/aluminium-alloys\/\"><span>as ligas de alum\u00ednio<\/span><\/a><span> fracas, mas apenas 60% mais pesadas.\u00a0As duas propriedades mais \u00fateis do metal s\u00e3o\u00a0<\/span><strong><span>a resist\u00eancia \u00e0 corros\u00e3o<\/span><\/strong><span>\u00a0e\u00a0<\/span><strong><span>a rela\u00e7\u00e3o resist\u00eancia-densidade<\/span><\/strong><span>, a mais alta de qualquer elemento met\u00e1lico.<\/span><\/p>\n<h2><span>Densidade de Ligas de Tit\u00e2nio<\/span><\/h2>\n<p><span>A densidade da\u00a0<\/span><strong><span>liga de tit\u00e2nio t\u00edpica<\/span><\/strong><span> \u00e9 de 4,43 g\/cm<\/span><sup><span>3<\/span><\/sup><span>\u00a0(Ti-6Al-4V).<\/span><\/p>\n<p><span>Em compara\u00e7\u00e3o com outros materiais comuns:<\/span><\/p>\n<p><span>A densidade da\u00a0<\/span><strong><span>liga de alum\u00ednio t\u00edpica<\/span><\/strong><span> \u00e9 de 2,7 g\/cm<sup>3<\/sup>\u00a0(<\/span><span>iga\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/alloys-composition-properties-of-metal-alloys\/aluminium-alloys\/aluminium-alloy-6061-alloy\/\"><span>6061<\/span><\/a><span>).<\/span><\/p>\n<p><span>A densidade da\u00a0<\/span><strong><span>liga de magn\u00e9sio t\u00edpica<\/span><\/strong><span> \u00e9 de 1,8 g\/cm<sup>3<\/sup>\u00a0(<\/span><span>Elektron\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/alloys-composition-properties-of-metal-alloys\/magnesium-alloys\/elektron-21-uns-m12310-magnesium-alloy\/\"><span>21<\/span><\/a><span>).<\/span><\/p>\n<p><span>A densidade do\u00a0<\/span><strong><span>a\u00e7o inoxid\u00e1vel t\u00edpico<\/span><\/strong><span> \u00e9 de 8,0 g\/cm<\/span><sup><span>3<\/span><\/sup><span>\u00a0(\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-stainless-steel-definition\/\"><span>AISI 304L<\/span><\/a><span>).<\/span><\/p>\n<p><strong><span>A densidade<\/span><\/strong><span> \u00e9 definida como a\u00a0<\/span><strong><span>massa por unidade de volume<\/span><\/strong><span>.\u00a0\u00c9 uma <\/span><strong><span>propriedade intensiva<\/span><\/strong><span>, que \u00e9 matematicamente definida como massa dividida por volume:<\/span><\/p>\n<p><strong><span>\u03c1 = m\/V<\/span><\/strong><\/p>\n<p><span>Em palavras, a densidade (\u03c1) de uma subst\u00e2ncia \u00e9 a massa total (m) dessa subst\u00e2ncia dividida pelo volume total (V) ocupado por essa subst\u00e2ncia.\u00a0A unidade SI padr\u00e3o \u00e9 <\/span><strong><span>quilogramas por metro c\u00fabico<\/span><\/strong><span> (<\/span><strong><span>kg\/m<\/span><sup><span>3<\/span><\/sup><\/strong><span>).\u00a0A unidade padr\u00e3o inglesa \u00e9 <\/span><strong><span>libras-massa por p\u00e9 c\u00fabico<\/span><\/strong><span> (<\/span><strong><span>lbm\/ft<\/span><sup><span>3<\/span><\/sup><\/strong><span>).<\/span><\/p>\n<p><span>Como a densidade (\u03c1) de uma subst\u00e2ncia \u00e9 a massa total (m) dessa subst\u00e2ncia dividida pelo volume total (V) ocupado por essa subst\u00e2ncia, \u00e9 \u00f3bvio que a densidade de uma subst\u00e2ncia depende fortemente de sua massa at\u00f4mica e tamb\u00e9m de\u00a0\u00a0<\/span><strong><span>a densidade do n\u00famero at\u00f4mico<\/span><\/strong><span> (N; \u00e1tomos\/cm<\/span><sup><span>3<\/span><\/sup><span>),<\/span><\/p>\n<ul>\n<li><strong><span>Peso At\u00f4mico<\/span><\/strong><span>.\u00a0A massa at\u00f4mica \u00e9 transportada pelo n\u00facleo at\u00f4mico, que ocupa apenas cerca de 10<\/span><sup><span>-12<\/span><\/sup><span>\u00a0do volume total do \u00e1tomo ou menos, mas cont\u00e9m toda a carga positiva e pelo menos 99,95% da massa total do \u00e1tomo.\u00a0Portanto, \u00e9 determinado pelo n\u00famero de massa (n\u00famero de pr\u00f3tons e n\u00eautrons).<\/span><\/li>\n<li><strong><span>Densidade de N\u00famero At\u00f4mico<\/span><\/strong><span>. A\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/nuclear-engineering-fundamentals\/neutron-nuclear-reactions\/atomic-number-density\/\"><span>densidade de n\u00famero at\u00f4mico<\/span><\/a><span> (N; \u00e1tomos\/cm<\/span><sup><span>3<\/span><\/sup><span>), que est\u00e1 associada aos raios at\u00f4micos, \u00e9 o n\u00famero de \u00e1tomos de um determinado tipo por unidade de volume (V; cm<\/span><sup><span>3<\/span><\/sup><span>) do material.\u00a0A densidade do n\u00famero at\u00f4mico (N; \u00e1tomos\/cm<\/span><sup><span>3<\/span><\/sup><span>) de um material puro com\u00a0<\/span><strong><span>peso at\u00f4mico ou molecular <\/span><\/strong><span>(M; gramas\/mol) e a\u00a0<\/span><strong><span>densidade do material<\/span><\/strong><span> (\u2374; grama\/cm<\/span><sup><span>3<\/span><\/sup><span>) \u00e9 facilmente calculada a partir da seguinte equa\u00e7\u00e3o usando o n\u00famero de Avogadro (<\/span><strong>N<sub>A<\/sub> = 6,022 \u00d7 10<sup>23<\/sup><\/strong> \u00e1tomos\u00a0<span>ou mol\u00e9culas por mol):<\/span><a href=\"https:\/\/www.nuclear-power.com\/wp-content\/uploads\/2015\/12\/Atomic-Number-Density.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-13442\" src=\"https:\/\/www.nuclear-power.com\/wp-content\/uploads\/2015\/12\/Atomic-Number-Density.png\" alt=\"Densidade do N\u00famero At\u00f4mico\" width=\"166\" height=\"69\" \/><\/a><\/li>\n<li><strong><span>Estrutura de cristal.\u00a0<\/span><\/strong><span>A densidade da subst\u00e2ncia cristalina \u00e9 significativamente afetada por sua estrutura cristalina.\u00a0A estrutura FCC, junto com seu parente hexagonal (hcp), tem o fator de empacotamento mais eficiente (74%).\u00a0Metais contendo estruturas FCC incluem austenita, alum\u00ednio, cobre, chumbo, prata, ouro, n\u00edquel, platina e t\u00f3rio.<\/span><\/li>\n<\/ul>\n<p><span><\/span><\/p><\/div><\/div><\/span><\/p>\n<p><span><div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><span><div class=\"su-accordion su-u-trim\"><div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Refer\u00eancias:<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">Ci\u00eancia dos Materiais:<\/div><\/div><\/div><\/span><\/p>\n<p><span>Departamento de Energia dos EUA, Ci\u00eancia de Materiais.\u00a0DOE Fundamentals Handbook, Volume 1 e 2. Janeiro de 1993.<\/span><br \/>\n<span>Departamento de Energia dos EUA, Ci\u00eancia de Materiais.\u00a0DOE Fundamentals Handbook, Volume 2 e 2. Janeiro de 1993.<\/span><br \/>\n<span>William D. Callister, David G. Rethwisch.\u00a0Ci\u00eancia e Engenharia de Materiais: Uma Introdu\u00e7\u00e3o 9\u00aa Edi\u00e7\u00e3o, Wiley;\u00a09 edi\u00e7\u00e3o (4 de dezembro de 2013), ISBN-13: 978-1118324578.<\/span><br \/>\n<span>Eberhart, Mark (2003).\u00a0Por que as coisas quebram: entendendo o mundo pela maneira como ele se desfaz.\u00a0Harmonia.\u00a0ISBN 978-1-4000-4760-4.<\/span><br \/>\n<span>Gaskell, David R. (1995).\u00a0Introdu\u00e7\u00e3o \u00e0 Termodin\u00e2mica dos Materiais (4\u00aa ed.).\u00a0Editora Taylor e Francis.\u00a0ISBN 978-1-56032-992-3.<\/span><br \/>\n<span>Gonz\u00e1lez-Vi\u00f1as, W. &amp; Mancini, HL (2004).\u00a0Uma Introdu\u00e7\u00e3o \u00e0 Ci\u00eancia dos Materiais.\u00a0Princeton University Press.\u00a0ISBN 978-0-691-07097-1.<\/span><br \/>\n<span>Ashby, Michael;\u00a0Hugh Shercliff;\u00a0David Cebon (2007).\u00a0Materiais: engenharia, ci\u00eancia, processamento e design (1\u00aa ed.).\u00a0Butterworth-Heinemann.\u00a0ISBN 978-0-7506-8391-3.<\/span><br \/>\n<span>JR Lamarsh, AJ Baratta, Introdu\u00e7\u00e3o \u00e0 Engenharia Nuclear, 3\u00aa ed., Prentice-Hall, 2001, ISBN: 0-201-82498-1.<\/span><br \/>\n<span><\/span><\/p><\/div><\/div><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><div class=\"su-divider su-divider-style-default\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><\/div><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><span>Veja acima:<\/span><br \/>\n<span>Ligas de tit\u00e2nio<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/alloys-composition-properties-of-metal-alloys\/titanium-alloys\/ \" class=\"su-button su-button-style-flat\" style=\"color:#606060;background-color:#ffffff;border-color:#cccccc;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px\" target=\"_self\"><span style=\"color:#606060;padding:7px 20px;font-size:16px;line-height:24px;border-color:#ffffff;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px;text-shadow:0px 0px 0px #000000;-moz-text-shadow:0px 0px 0px #000000;-webkit-text-shadow:0px 0px 0px #000000\"><i class=\"sui sui-link\" style=\"font-size:16px;color:#5d5d5d\"><\/i> <\/span><\/a><\/span><\/p><\/div><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><\/div><\/div><\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p><span>Esperamos que este artigo,\u00a0<\/span><strong><span>Densidade das Ligas de Tit\u00e2nio<\/span><\/strong><span>, ajude voc\u00ea.\u00a0Se sim,\u00a0<\/span><strong><span>d\u00ea um like<\/span><\/strong><span>\u00a0na barra lateral.\u00a0O objetivo principal deste site \u00e9 ajudar o p\u00fablico a aprender algumas informa\u00e7\u00f5es interessantes e importantes sobre materiais e suas propriedades.<\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Esperamos que este artigo,\u00a0Densidade das Ligas de Tit\u00e2nio, ajude voc\u00ea.\u00a0Se sim,\u00a0d\u00ea um like\u00a0na barra lateral.\u00a0O objetivo principal deste site \u00e9 ajudar o p\u00fablico a aprender algumas informa\u00e7\u00f5es interessantes e importantes sobre materiais e suas propriedades. &nbsp;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O que \u00e9 densidade de ligas de tit\u00e2nio - Defini\u00e7\u00e3o | Propriedades do material<\/title>\n<meta name=\"description\" content=\"A densidade das ligas t\u00edpicas de tit\u00e2nio \u00e9 de cerca de 4,43 g\/cm3 (Ti-6Al-4V). As duas propriedades mais \u00fateis do metal s\u00e3o a resist\u00eancia \u00e0 corros\u00e3o e a rela\u00e7\u00e3o resist\u00eancia-densidade, a mais alta de qualquer elemento met\u00e1lico.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/material-properties.org\/pt-br\/o-que-e-densidade-de-ligas-de-titanio-definicao\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"O que \u00e9 densidade de ligas de tit\u00e2nio - Defini\u00e7\u00e3o | Propriedades do material\" \/>\n<meta property=\"og:description\" content=\"A densidade das ligas t\u00edpicas de tit\u00e2nio \u00e9 de cerca de 4,43 g\/cm3 (Ti-6Al-4V). As duas propriedades mais \u00fateis do metal s\u00e3o a resist\u00eancia \u00e0 corros\u00e3o e a rela\u00e7\u00e3o resist\u00eancia-densidade, a mais alta de qualquer elemento met\u00e1lico.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/material-properties.org\/pt-br\/o-que-e-densidade-de-ligas-de-titanio-definicao\/\" \/>\n<meta property=\"og:site_name\" content=\"Material Properties\" \/>\n<meta property=\"article:published_time\" content=\"2023-02-08T17:31:42+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-02-16T07:36:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/titanium-grade-5-image-min-300x300.png\" \/>\n<meta name=\"author\" content=\"Nick Connor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nick Connor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/material-properties.org\/pt-br\/o-que-e-densidade-de-ligas-de-titanio-definicao\/\",\"url\":\"https:\/\/material-properties.org\/pt-br\/o-que-e-densidade-de-ligas-de-titanio-definicao\/\",\"name\":\"O que \u00e9 densidade de ligas de tit\u00e2nio - Defini\u00e7\u00e3o | Propriedades do material\",\"isPartOf\":{\"@id\":\"https:\/\/material-properties.org\/pt-br\/#website\"},\"datePublished\":\"2023-02-08T17:31:42+00:00\",\"dateModified\":\"2023-02-16T07:36:07+00:00\",\"author\":{\"@id\":\"https:\/\/material-properties.org\/pt-br\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"A densidade das ligas t\u00edpicas de tit\u00e2nio \u00e9 de cerca de 4,43 g\/cm3 (Ti-6Al-4V). 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