{"id":117380,"date":"2022-09-16T15:15:50","date_gmt":"2022-09-16T14:15:50","guid":{"rendered":"https:\/\/material-properties.org\/cromo-e-zinco-comparacao-propriedades\/"},"modified":"2022-10-22T16:04:06","modified_gmt":"2022-10-22T15:04:06","slug":"cromo-e-zinco-comparacao-propriedades","status":"publish","type":"post","link":"https:\/\/material-properties.org\/pt-br\/cromo-e-zinco-comparacao-propriedades\/","title":{"rendered":"Cromo e Zinco &#8211; Compara\u00e7\u00e3o &#8211; Propriedades"},"content":{"rendered":"<p><em><span>Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas de cromo e zinco, 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.\u00a0Cromo vs. Zinco.<\/span><\/em><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-106989\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/chromium-and-zinc-comparison.png\" alt=\"cromo e zinco - compara\u00e7\u00e3o\" width=\"1000\" height=\"900\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/chromium-and-zinc-comparison.png 1000w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/chromium-and-zinc-comparison-300x270.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/chromium-and-zinc-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>Comparar Cromo 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\/Chromium-and-Copper-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com cobre\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Copper-properties-price-application-production-150x150.png\" alt=\"Cobre - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Chromium-and-Iron-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\/Chromium-and-Zinc-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com zinco\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Zinc-properties-price-application-production-150x150.png\" alt=\"Zinco - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Chromium-and-Manganese-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com mangan\u00eas\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Manganese-properties-price-application-production-150x150.png\" alt=\"Mangan\u00eas - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Chromium-and-Molybdenum-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Molibd\u00eanio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Molybdenum-properties-price-application-production-150x150.png\" alt=\"Molibd\u00eanio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Chromium-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<\/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 Zinco 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\/Magnesium-and-Zinc-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Magn\u00e9sio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Magnesium-properties-price-application-production-150x150.png\" alt=\"Magn\u00e9sio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Potassium-and-Zinc-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com pot\u00e1ssio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Potassium-properties-price-application-production-150x150.png\" alt=\"Pot\u00e1ssio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Titanium-and-Zinc-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\/Chromium-and-Zinc-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com cromo\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Chromium-properties-price-application-production-150x150.png\" alt=\"Cromo - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Manganese-and-Zinc-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com mangan\u00eas\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Manganese-properties-price-application-production-150x150.png\" alt=\"Mangan\u00eas - 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-Zinc-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\/Cobalt-and-Zinc-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com Cobalto\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Cobalt-properties-price-application-production-150x150.png\" alt=\"Cobalto - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Nickel-and-Zinc-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com N\u00edquel\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Nickel-properties-price-application-production-150x150.png\" alt=\"N\u00edquel - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Zinc-and-Indium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com \u00edndio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Indium-properties-price-application-production-150x150.png\" alt=\"\u00cdndio - Propriedades - Pre\u00e7o - Aplica\u00e7\u00f5es - Produ\u00e7\u00e3o\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Zinc-and-Selenium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Compare com sel\u00eanio\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Selenium-properties-price-application-production-150x150.png\" alt=\"Sel\u00eanio - 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><span>Cromo e Zinco &#8211; Sobre os Elementos<\/span><\/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\/chromium-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><span>Cromo<\/span><\/h3>\n<p>O cromo \u00e9 um metal cinza-a\u00e7o, lustroso, duro e quebradi\u00e7o, que recebe um alto polimento, resiste a manchas e tem um alto ponto de fus\u00e3o.\u00a0Um grande desenvolvimento foi a descoberta de que o a\u00e7o poderia ser altamente resistente \u00e0 corros\u00e3o e descolora\u00e7\u00e3o pela adi\u00e7\u00e3o de cromo met\u00e1lico para formar a\u00e7o inoxid\u00e1vel.<\/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\/zinc-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><span>Zinco<\/span><\/h3>\n<p><span>Em alguns aspectos, o zinco \u00e9 quimicamente semelhante ao magn\u00e9sio: ambos os elementos exibem apenas um estado de oxida\u00e7\u00e3o normal (+2), e os \u00edons Zn2+ e Mg2+ s\u00e3o de tamanho semelhante.<\/span><\/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<p><span><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-92359\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Chromium-periodic-table-300x269.png\" alt=\"Cromo na Tabela Peri\u00f3dica\" width=\"300\" height=\"269\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Chromium-periodic-table-300x269.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Chromium-periodic-table.png 708w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><span><\/span><\/p><\/div><\/div><\/span><\/p>\n<p><span><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-92564\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Zinc-periodic-table-300x295.png\" alt=\"Zinco na Tabela Peri\u00f3dica\" width=\"300\" height=\"295\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Zinc-periodic-table-300x295.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Zinc-periodic-table.png 623w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p style=\"text-align: left;\"><span><\/span><\/p><\/div><\/div><\/span><\/p>\n<p style=\"text-align: center;\"><span>Fonte: www.luciteria.com<\/span><\/p>\n<p><span><div class=\"su-spacer\" style=\"height:20px\"><\/div><\/span><\/p>\n<p><span><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\"><\/span><\/p>\n<h2><span>Cromo e Zinco &#8211; Aplica\u00e7\u00f5es<\/span><\/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\/chromium-properties-applications-price-production\/\"><span>Cromo<\/span><\/a><\/h3>\n<p><span>O cromo \u00e9 um dos metais industriais mais importantes e indispens\u00e1veis \u200b\u200bdevido \u00e0 sua dureza e resist\u00eancia \u00e0 corros\u00e3o.\u00a0Mas \u00e9 usado para mais do que a produ\u00e7\u00e3o de a\u00e7o inoxid\u00e1vel e ligas n\u00e3o ferrosas;\u00a0tamb\u00e9m \u00e9 usado para criar pigmentos e produtos qu\u00edmicos usados \u200b\u200bpara processar couro.\u00a0Na metalurgia, o cromo aumenta a dureza, for\u00e7a e resist\u00eancia \u00e0 corros\u00e3o.\u00a0O efeito de fortalecimento da forma\u00e7\u00e3o de carbonetos met\u00e1licos est\u00e1veis \u200b\u200bnos contornos de gr\u00e3o e o forte aumento na resist\u00eancia \u00e0 corros\u00e3o tornaram o cromo um importante material de liga para o a\u00e7o.\u00a0De um modo geral, a concentra\u00e7\u00e3o especificada para a maioria das s\u00e9ries \u00e9 de aproximadamente 4%.\u00a0Este n\u00edvel parece resultar no melhor equil\u00edbrio entre dureza e tenacidade.\u00a0O cromo desempenha um papel importante no mecanismo de endurecimento e \u00e9 considerado insubstitu\u00edvel.\u00a0Em temperaturas mais altas,\u00a0o cromo contribui para o aumento da resist\u00eancia.\u00a0\u00c9 comumente usado para aplica\u00e7\u00f5es desta natureza em conjunto com o molibd\u00eanio.\u00a0A resist\u00eancia dos a\u00e7os inoxid\u00e1veis \u200b\u200b\u00e9 baseada na passiva\u00e7\u00e3o.\u00a0Para que a passiva\u00e7\u00e3o ocorra e permane\u00e7a est\u00e1vel, a liga Fe-Cr deve ter um teor m\u00ednimo de cromo de cerca de 11% em peso, acima do qual pode ocorrer passividade e abaixo do qual \u00e9 imposs\u00edvel.<\/span><\/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\/zinc-properties-applications-price-production\/\"><span>Zinco<\/span><\/a><\/h3>\n<p><span>A zincagem resistente \u00e0 corros\u00e3o do ferro (galvaniza\u00e7\u00e3o por imers\u00e3o a quente) \u00e9 a principal aplica\u00e7\u00e3o do zinco.\u00a0O revestimento de a\u00e7o constitui o maior uso individual de zinco, mas \u00e9 usado em grandes tonelagens em fundi\u00e7\u00f5es de ligas de zinco, como p\u00f3 e \u00f3xido de zinco e em produtos de zinco forjado.\u00a0O a\u00e7o galvanizado \u00e9 simplesmente a\u00e7o carbono revestido com uma fina camada de zinco.\u00a0O zinco protege o ferro corroendo primeiro, mas o zinco corr\u00f3i em taxas muito mais baixas do que o a\u00e7o.\u00a0Outras aplica\u00e7\u00f5es s\u00e3o em baterias el\u00e9tricas, pequenas pe\u00e7as fundidas n\u00e3o estruturais e ligas como lat\u00e3o.\u00a0Uma variedade de compostos de zinco s\u00e3o comumente usados, como carbonato de zinco e gluconato de zinco (como suplementos alimentares), cloreto de zinco (em desodorantes), piritionato de zinco (xampus anticaspa), sulfeto de zinco (em tintas luminescentes) e dimetilzinco ou dietilzinco no laborat\u00f3rio org\u00e2nico.\u00a0Uma parte fundamental do mundo dos materiais modernos em que o zinco se encontra \u00e9 a reciclagem.\u00a0O zinco, em comum com todos os metais (e ao contr\u00e1rio dos materiais sint\u00e9ticos), pode ser reciclado indefinidamente sem degrada\u00e7\u00e3o.<\/span><\/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><span>Cromo e Zinco &#8211; Compara\u00e7\u00e3o na Tabela<\/span><\/h2>\n<p><span><\/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<table class=\"a\">\n<tbody>\n<tr class=\"b\">\n<td style=\"text-align: center;\"><span>Elemento<\/span><\/td>\n<td style=\"text-align: center;\"><b><span>Cromo<\/span><\/b><\/td>\n<td style=\"text-align: center;\"><b><span>Zinco<\/span><\/b><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Densidade<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>7,14 g\/cm<sup>3<\/sup><\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>7,14 g\/cm<sup>3<\/sup><\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>550 MPa<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>90 MPa<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>For\u00e7a de rendimento<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>131 MPa<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>75 MPa<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>M\u00f3dulo de elasticidade de Young<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>279 GPa<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>108 GPa<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Escala de Mohs<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>8,5<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>2,5<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Dureza Brinell<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>1120 MPa<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>330 MPa<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Dureza Vickers<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>1060 MPa<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>N\/D<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Ponto de fus\u00e3o<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>1907 \u00b0C<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>419,53 \u00b0C<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Ponto de ebuli\u00e7\u00e3o<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>2671 \u00b0C<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>907 \u00b0C<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Condutividade t\u00e9rmica<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>93,7 W\/mK<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>116 W\/mK<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Coeficiente de Expans\u00e3o T\u00e9rmica<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>4,9 \u00b5m\/mK<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>30,2 \u00b5m\/mK<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Calor espec\u00edfico<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span style=\"text-align: start;\"><span>0,45 J\/gK<\/span><\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>0,39 J\/gK<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Calor de fus\u00e3o<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>16,9 kJ\/mol<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>7,322 kJ\/mol<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Calor da vaporiza\u00e7\u00e3o<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span style=\"text-align: start;\"><span>344,3 kJ\/mol<\/span><\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong><span>115,3 kJ\/mol<\/span><\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span><\/span><\/p><\/div><\/div><\/span><\/p>\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 de cromo e zinco, 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.\u00a0Cromo vs. Zinco. 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>Cromo e Zinco - 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 de cromo e zinco, 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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