{"id":117337,"date":"2022-09-16T10:47:04","date_gmt":"2022-09-16T09:47:04","guid":{"rendered":"https:\/\/material-properties.org\/zirconio-e-uranio-comparacao-propriedades\/"},"modified":"2022-10-20T07:12:43","modified_gmt":"2022-10-20T06:12:43","slug":"zirconio-e-uranio-comparacao-propriedades","status":"publish","type":"post","link":"https:\/\/material-properties.org\/pt-br\/zirconio-e-uranio-comparacao-propriedades\/","title":{"rendered":"Zirc\u00f4nio e Ur\u00e2nio &#8211; Compara\u00e7\u00e3o &#8211; Propriedades"},"content":{"rendered":"<p><em>Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas do zirc\u00f4nio e do ur\u00e2nio, dois elementos qu\u00edmicos compar\u00e1veis \u200b\u200bda tabela peri\u00f3dica.\u00a0Ele tamb\u00e9m cont\u00e9m descri\u00e7\u00f5es b\u00e1sicas e aplica\u00e7\u00f5es de ambos os elementos.\u00a0Zirc\u00f4nio vs. Ur\u00e2nio.<\/em><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-107281\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/zirconium-and-uranium-comparison.png\" alt=\"zirc\u00f4nio e ur\u00e2nio - compara\u00e7\u00e3o\" width=\"1000\" height=\"900\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/zirconium-and-uranium-comparison.png 1000w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/zirconium-and-uranium-comparison-300x270.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/zirconium-and-uranium-comparison-768x691.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<div class=\"su-spoiler su-spoiler-style-modern-light su-spoiler-icon-plus su-spoiler-closed\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Compare Zirc\u00f4nio com outro elemento<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div>\n<p><a href=\"https:\/\/material-properties.org\/Titanium-and-Zirconium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com tit\u00e2nio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Titanium-properties-price-application-production-150x150.png\" alt=\"Tit\u00e2nio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Iron-and-Zirconium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Ferro\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Iron-properties-price-application-production-150x150.png\" alt=\"Ferro - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Zirconium-and-Hafnium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com H\u00e1fnio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Hafnium-properties-price-application-production-150x150.png\" alt=\"H\u00e1fnio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Zirconium-and-Niobium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Ni\u00f3bio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Niobium-properties-price-application-production-150x150.png\" alt=\"Ni\u00f3bio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Zirconium-and-Tungsten-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Tungst\u00eanio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Tungsten-properties-price-application-production-150x150.png\" alt=\"Tungst\u00eanio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Zirconium-and-Uranium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Ur\u00e2nio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Uranium-properties-price-application-production-150x150.png\" alt=\"Ur\u00e2nio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<div class=\"su-spoiler su-spoiler-style-modern-light su-spoiler-icon-plus su-spoiler-closed\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Compare Ur\u00e2nio com outro elemento<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div>\n<p><a href=\"https:\/\/material-properties.org\/Titanium-and-Uranium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com tit\u00e2nio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Titanium-properties-price-application-production-150x150.png\" alt=\"Tit\u00e2nio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Zirconium-and-Uranium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Zirc\u00f4nio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Zirconium-properties-price-application-production-150x150.png\" alt=\"Zirc\u00f4nio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Thorium-and-Uranium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com T\u00f3rio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Thorium-properties-price-application-production-150x150.png\" alt=\"Thorium - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n<div class=\"su-spacer\" style=\"height:20px\"><\/div>\n<div class=\"su-heading su-heading-style-modern-1-dark su-heading-align-left\" id=\"\" style=\"font-size:13px;margin-bottom:20px\"><div class=\"su-heading-inner\">\n<h2>Zirc\u00f4nio e Ur\u00e2nio &#8211; Sobre Elementos<\/h2>\n<\/div><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<div class=\"sue-icon-text sue-panel-clickable\" data-url=\"https:\/\/material-properties.org\/zirconium-properties-applications-price-production\/\" data-target=\"self\" style=\"min-height:58px;padding-left:72px;color:#000000\"><div class=\"sue-icon-text-icon\" style=\"color:#5dbcd2;font-size:48px;width:48px;height:48px\"><i class=\"sui sui-info-circle\" style=\"font-size:48px;color:#5dbcd2\"><\/i><\/div><div class=\"sue-icon-text-content sue-content-wrap\" style=\"color:#000000\">\n<h3>Zirc\u00f4nio<\/h3>\n<p>O zirc\u00f4nio \u00e9 um metal de transi\u00e7\u00e3o brilhante, branco acinzentado e forte que se assemelha ao h\u00e1fnio e, em menor grau, ao tit\u00e2nio.\u00a0O zirc\u00f4nio \u00e9 usado principalmente como refrat\u00e1rio e opacificante, embora pequenas quantidades sejam usadas como agente de liga por sua forte resist\u00eancia \u00e0 corros\u00e3o.\u00a0O zirc\u00f4nio \u00e9 amplamente utilizado como revestimento para combust\u00edveis de reatores nucleares.\u00a0As propriedades desejadas dessas ligas s\u00e3o uma se\u00e7\u00e3o transversal de baixa captura de n\u00eautrons e resist\u00eancia \u00e0 corros\u00e3o sob condi\u00e7\u00f5es normais de servi\u00e7o.<\/p>\n<\/div><div style=\"clear:both;height:0\"><\/div><\/div>\n<\/div><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<div class=\"sue-icon-text sue-panel-clickable\" data-url=\"https:\/\/material-properties.org\/uranium-properties-applications-price-production\/\" data-target=\"self\" style=\"min-height:58px;padding-left:72px;color:#000000\"><div class=\"sue-icon-text-icon\" style=\"color:#5dbcd2;font-size:48px;width:48px;height:48px\"><i class=\"sui sui-info-circle\" style=\"font-size:48px;color:#5dbcd2\"><\/i><\/div><div class=\"sue-icon-text-content sue-content-wrap\" style=\"color:#000000\">\n<h3>Ur\u00e2nio<\/h3>\n<p>O ur\u00e2nio \u00e9 um metal branco prateado na s\u00e9rie dos actin\u00eddeos da tabela peri\u00f3dica.\u00a0O ur\u00e2nio \u00e9 fracamente radioativo porque todos os is\u00f3topos de ur\u00e2nio s\u00e3o inst\u00e1veis, com meias-vidas variando entre 159.200 anos e 4,5 bilh\u00f5es de anos.\u00a0O ur\u00e2nio tem o maior peso at\u00f4mico dos elementos de ocorr\u00eancia primordial.\u00a0A sua densidade \u00e9 cerca de 70% superior \u00e0 do chumbo e ligeiramente inferior \u00e0 do ouro ou do tungst\u00e9nio.\u00a0O ur\u00e2nio \u00e9 comumente encontrado em n\u00edveis baixos (alguns ppm \u2013 partes por milh\u00e3o) em todas as rochas, solo, \u00e1gua, plantas e animais (incluindo humanos).\u00a0O ur\u00e2nio tamb\u00e9m ocorre na \u00e1gua do mar e pode ser recuperado da \u00e1gua do oceano.\u00a0Concentra\u00e7\u00f5es significativas de ur\u00e2nio ocorrem em algumas subst\u00e2ncias, como uraninita (o min\u00e9rio de ur\u00e2nio mais comum), dep\u00f3sitos de rocha fosf\u00e1tica e outros minerais.<\/p>\n<\/div><div style=\"clear:both;height:0\"><\/div><\/div>\n<\/div><\/div>\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-92569\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Zirconium-periodic-table-300x286.png\" alt=\"Zirc\u00f4nio na Tabela Peri\u00f3dica\" width=\"300\" height=\"286\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Zirconium-periodic-table-300x286.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Zirconium-periodic-table.png 692w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<\/div><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-92544\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Uranium-periodic-table-300x234.png\" alt=\"Ur\u00e2nio na Tabela Peri\u00f3dica\" width=\"300\" height=\"234\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Uranium-periodic-table-300x234.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Uranium-periodic-table.png 642w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p style=\"text-align: left;\"><\/p><\/div><\/div>\n<p style=\"text-align: center;\">Fonte: www.luciteria.com<\/p>\n<div class=\"su-spacer\" style=\"height:20px\"><\/div>\n<div class=\"su-heading su-heading-style-modern-1-dark su-heading-align-left\" id=\"\" style=\"font-size:13px;margin-bottom:20px\"><div class=\"su-heading-inner\">\n<h2>Zirc\u00f4nio e Ur\u00e2nio &#8211; Aplica\u00e7\u00f5es<\/h2>\n<\/div><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<div class=\"sue-shadow-wrap sue-content-wrap sue-shadow-inline-no\"><div class=\"sue-shadow sue-shadow-style-vertical\">\n<div class=\"sue-panel\" data-url=\"\" data-target=\"self\" style=\"background-color:#ffffff;color:#333333;border-radius:0px;-moz-border-radius:0px;-webkit-border-radius:0px;box-shadow:none;-moz-box-shadow:none;-webkit-box-shadow:none;border:1px solid #cccccc\"><div class=\"sue-panel-content sue-content-wrap\" style=\"padding:15px;text-align:left\">\n<h3><a href=\"https:\/\/material-properties.org\/zirconium-properties-applications-price-production\/\">Zirc\u00f4nio<\/a><\/h3>\n<p>A maioria do zirc\u00e3o \u00e9 usada diretamente em aplica\u00e7\u00f5es de alta temperatura.\u00a0Este material \u00e9 refrat\u00e1rio, duro e resistente ao ataque qu\u00edmico.\u00a0Devido a essas propriedades, o zirc\u00e3o encontra muitas aplica\u00e7\u00f5es, poucas das quais s\u00e3o altamente divulgadas.\u00a0Seu principal uso \u00e9 como opacificante, conferindo uma apar\u00eancia branca e opaca aos materiais cer\u00e2micos.\u00a0O zirc\u00f4nio e suas ligas s\u00e3o amplamente utilizados como revestimento para combust\u00edveis de reatores nucleares.\u00a0O zirc\u00f4nio ligado com ni\u00f3bio ou estanho tem excelentes propriedades de corros\u00e3o.\u00a0A alta resist\u00eancia \u00e0 corros\u00e3o das ligas de zirc\u00f4nio resulta da forma\u00e7\u00e3o natural de um \u00f3xido denso e est\u00e1vel na superf\u00edcie do metal.\u00a0Este filme \u00e9 auto-regenerativo, continua a crescer lentamente em temperaturas de at\u00e9 aproximadamente 550 \u00b0C (1020 \u00b0F) e permanece firmemente aderente.\u00a0A propriedade desejada dessas ligas tamb\u00e9m \u00e9 uma baixa se\u00e7\u00e3o transversal de captura de n\u00eautrons.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<div class=\"sue-shadow-wrap sue-content-wrap sue-shadow-inline-no\"><div class=\"sue-shadow sue-shadow-style-vertical\">\n<div class=\"sue-panel\" data-url=\"\" data-target=\"self\" style=\"background-color:#ffffff;color:#333333;border-radius:0px;-moz-border-radius:0px;-webkit-border-radius:0px;box-shadow:none;-moz-box-shadow:none;-webkit-box-shadow:none;border:1px solid #cccccc\"><div class=\"sue-panel-content sue-content-wrap\" style=\"padding:15px;text-align:left\">\n<h3><a href=\"https:\/\/material-properties.org\/uranium-properties-applications-price-production\/\">Ur\u00e2nio<\/a><\/h3>\n<p>O principal uso de ur\u00e2nio no setor civil \u00e9 para abastecer usinas nucleares.\u00a0Um quilograma de ur\u00e2nio-235 pode teoricamente produzir cerca de 20 terajoules de energia, assumindo fiss\u00e3o completa;\u00a0tanta energia quanto 1,5 milh\u00e3o de quilogramas (1.500 toneladas) de carv\u00e3o.\u00a0O reator t\u00edpico pode conter cerca de 100 toneladas de ur\u00e2nio enriquecido (ou seja, cerca de 113 toneladas de di\u00f3xido de ur\u00e2nio).\u00a0Este combust\u00edvel \u00e9 carregado, por exemplo, em 157 conjuntos de combust\u00edvel compostos por mais de 45.000 barras de combust\u00edvel.\u00a0Um conjunto de combust\u00edvel comum cont\u00e9m energia para aproximadamente 4 anos de opera\u00e7\u00e3o em pot\u00eancia m\u00e1xima.\u00a0O combust\u00edvel removido (combust\u00edvel nuclear gasto) ainda cont\u00e9m cerca de 96% de material reutiliz\u00e1vel (deve ser removido devido \u00e0 diminui\u00e7\u00e3o do kinf de um conjunto).\u00a0Antes (e, ocasionalmente, depois) da descoberta da radioatividade, o ur\u00e2nio era usado principalmente em pequenas quantidades para vidro amarelo e esmaltes de cer\u00e2mica,\u00a0como vidro de ur\u00e2nio.\u00a0O ur\u00e2nio tamb\u00e9m \u00e9 usado pelos militares para alimentar submarinos nucleares e em armas nucleares.\u00a0Devido \u00e0 sua alta densidade, este material \u00e9 encontrado em sistemas de orienta\u00e7\u00e3o inercial e em b\u00fassolas girosc\u00f3picas.[10]\u00a0O ur\u00e2nio empobrecido \u00e9 preferido em rela\u00e7\u00e3o aos metais igualmente densos devido \u00e0 sua capacidade de ser facilmente usinado e fundido, bem como seu custo relativamente baixo.\u00a0O principal risco de exposi\u00e7\u00e3o ao ur\u00e2nio empobrecido \u00e9 o envenenamento qu\u00edmico por \u00f3xido de ur\u00e2nio, em vez de radioatividade (o ur\u00e2nio \u00e9 apenas um emissor alfa fraco).\u00a0O ur\u00e2nio empobrecido \u00e9 o ur\u00e2nio que tem muito menos ur\u00e2nio-235 do que o ur\u00e2nio natural.\u00a0\u00c9 consideravelmente menos radioativo que o ur\u00e2nio natural.\u00a0\u00c9 um metal denso que pode ser usado como lastro para navios e contrapesos para aeronaves.\u00a0Tamb\u00e9m \u00e9 usado em muni\u00e7\u00f5es e armaduras.\u00a0O ur\u00e2nio empobrecido tamb\u00e9m pode ser usado para proteger a radia\u00e7\u00e3o.\u00a0O ur\u00e2nio empobrecido \u00e9 muito mais eficaz devido ao seu Z mais alto. O ur\u00e2nio empobrecido \u00e9 usado para blindagem em fontes port\u00e1teis de raios gama.\u00a0O ur\u00e2nio \u00e9 usado em a\u00e7os r\u00e1pidos como agente de liga para melhorar a resist\u00eancia e a tenacidade.\u00a0O tri\u00f3xido de ur\u00e2nio (tamb\u00e9m chamado de \u00f3xido ur\u00e2nico) com f\u00f3rmula UO3, \u00e9 um p\u00f3 amarelo alaranjado e \u00e9 usado como pigmento para cer\u00e2mica.\u00a0Em copos produz um belo \u201cvidro de ur\u00e2nio\u201d amarelo-esverdeado.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n<div class=\"su-heading su-heading-style-modern-1-dark su-heading-align-left\" id=\"\" style=\"font-size:13px;margin-bottom:20px\"><div class=\"su-heading-inner\">\n<h2>Zirc\u00f4nio e Ur\u00e2nio &#8211; Compara\u00e7\u00e3o na Tabela<\/h2>\n<\/div><\/div>\n<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<table class=\"a\">\n<tbody>\n<tr class=\"b\">\n<td style=\"text-align: center;\">Elemento<\/td>\n<td style=\"text-align: center;\"><b>Zirc\u00f4nio<\/b><\/td>\n<td style=\"text-align: center;\"><b>Ur\u00e2nio<\/b><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Densidade<\/td>\n<td style=\"text-align: center;\"><strong>6,511 g\/cm<sup>3<\/sup><\/strong><\/td>\n<td style=\"text-align: center;\"><strong>19,05 g\/cm<sup>3<\/sup><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/td>\n<td style=\"text-align: center;\"><strong>330 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>390 MPa<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">For\u00e7a de rendimento<\/td>\n<td style=\"text-align: center;\"><strong>230 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>190 MPa<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">M\u00f3dulo de elasticidade de Young<\/td>\n<td style=\"text-align: center;\"><strong>88 GPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>208 GPa<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Escala de Mohs<\/td>\n<td style=\"text-align: center;\"><strong>5<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>6<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Dureza Brinell<\/td>\n<td style=\"text-align: center;\"><strong>650 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>2400 MPa<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Dureza Vickers<\/td>\n<td style=\"text-align: center;\"><strong>900 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>1960 MPa<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Ponto de fus\u00e3o<\/td>\n<td style=\"text-align: center;\"><strong>1855 \u00b0C<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>1132 \u00b0C<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Ponto de ebuli\u00e7\u00e3o<\/td>\n<td style=\"text-align: center;\"><strong>4377 \u00b0C<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>4131 \u00b0C<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Condutividade t\u00e9rmica<\/td>\n<td style=\"text-align: center;\"><strong>22,7 W\/mK<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>27 W\/mK<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Coeficiente de Expans\u00e3o T\u00e9rmica<\/td>\n<td style=\"text-align: center;\"><strong>5,7 \u00b5m\/mK<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>13,9 \u00b5m\/mK<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Calor espec\u00edfico<\/td>\n<td style=\"text-align: center;\"><strong><span style=\"text-align: start;\">0,27 J\/gK<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong>0,12 J\/gK<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Calor de fus\u00e3o<\/td>\n<td style=\"text-align: center;\"><strong>16,9 kJ\/mol<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>8,52 kJ\/mol<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Calor da vaporiza\u00e7\u00e3o<\/td>\n<td style=\"text-align: center;\"><strong><span style=\"text-align: start;\">591 kJ\/mol<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong>417 kJ\/mol<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas do zirc\u00f4nio e do ur\u00e2nio, dois elementos qu\u00edmicos compar\u00e1veis \u200b\u200bda tabela peri\u00f3dica.\u00a0Ele tamb\u00e9m cont\u00e9m descri\u00e7\u00f5es b\u00e1sicas e aplica\u00e7\u00f5es de ambos os elementos.\u00a0Zirc\u00f4nio vs. Ur\u00e2nio. Fonte: www.luciteria.com &nbsp;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Zirc\u00f4nio e Ur\u00e2nio - Compara\u00e7\u00e3o - Propriedades - Material Properties<\/title>\n<meta name=\"description\" content=\"Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas do zirc\u00f4nio e do ur\u00e2nio, dois elementos qu\u00edmicos compar\u00e1veis da tabela peri\u00f3dica. Ele tamb\u00e9m cont\u00e9m descri\u00e7\u00f5es b\u00e1sicas e aplica\u00e7\u00f5es de ambos os elementos. 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