{"id":117261,"date":"2022-09-11T23:25:26","date_gmt":"2022-09-11T22:25:26","guid":{"rendered":"https:\/\/material-properties.org\/stellite-tabela-de-materiais-aplicacoes-preco\/"},"modified":"2022-10-17T13:48:03","modified_gmt":"2022-10-17T12:48:03","slug":"stellite-tabela-de-materiais-aplicacoes-preco","status":"publish","type":"post","link":"https:\/\/material-properties.org\/pt-br\/stellite-tabela-de-materiais-aplicacoes-preco\/","title":{"rendered":"Stellite &#8211; Tabela de Materiais &#8211; Aplica\u00e7\u00f5es &#8211; Pre\u00e7o"},"content":{"rendered":"<h2><span>Sobre Stellite<\/span><\/h2>\n<p><span>As ligas de stellite s\u00e3o um grupo de &#8216;superligas&#8217; de cromo-cobalto que consiste em carbonetos complexos em uma matriz de liga projetada predominantemente para alta resist\u00eancia ao desgaste e desempenho qu\u00edmico e de corros\u00e3o superior em ambientes hostis.\u00a0Ao contr\u00e1rio de outras superligas, as ligas \u00e0 base de cobalto s\u00e3o caracterizadas por uma matriz austen\u00edtica refor\u00e7ada por solu\u00e7\u00e3o s\u00f3lida (fcc) na qual uma pequena quantidade de carboneto \u00e9 distribu\u00edda.\u00a0Embora n\u00e3o sejam usados \u200b\u200bcomercialmente na extens\u00e3o de superligas \u00e0 base de Ni, os elementos de liga encontrados em pesquisas de ligas \u00e0 base de Co s\u00e3o C, Cr, W, Ni, Ti, Al, Ir e Ta.\u00a0Possuem melhor soldabilidade e resist\u00eancia \u00e0 fadiga t\u00e9rmica em compara\u00e7\u00e3o com a liga \u00e0 base de n\u00edquel.\u00a0Al\u00e9m disso, possuem excelente resist\u00eancia \u00e0 corros\u00e3o em altas temperaturas (980-1100 \u00b0C) devido ao seu maior teor de cromo.\u00a0<div class=\"su-divider su-divider-style-dotted aligncenter wp-image-108576\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div><\/span><\/p>\n<h3 style=\"text-align: center;\"><span>Resumo<\/span><\/h3>\n<table class=\"a\">\n<tbody>\n<tr class=\"b\">\n<td style=\"text-align: center;\"><span>Nome<\/span><\/td>\n<td style=\"text-align: center;\"><strong>Stellite<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Fase em STP<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>s\u00f3lido<\/span><\/strong><\/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>8690 kg\/m<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>1200 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>1050 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>230 GPa<\/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>550 BHN<\/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>1297 \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>14,8 W\/mK<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Capacidade de calor<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span style=\"text-align: start;\"><span>423 J\/gK<\/span><\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Pre\u00e7o<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>50 $\/kg<\/span><\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div><\/span><\/p>\n<h2><span>Composi\u00e7\u00e3o de Stellite<\/span><\/h2>\n<p><span>As ligas de stellite s\u00e3o compostas de v\u00e1rias quantidades de cobalto, n\u00edquel, ferro, alum\u00ednio, boro, carbono, cromo, mangan\u00eas, molibd\u00eanio, f\u00f3sforo, enxofre, sil\u00edcio e tit\u00e2nio, em v\u00e1rias propor\u00e7\u00f5es;\u00a0a maioria das ligas cont\u00e9m de quatro a seis desses elementos.\u00a0<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 style=\"text-align: center;\"><span style=\"font-size: 50px;\"><span>57%<\/span><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Cobalt-periodic-table.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-92304\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Cobalt-periodic-table-150x150.png\" alt=\"Cobalto na Tabela Peri\u00f3dica\" width=\"150\" height=\"150\" \/><\/a><\/span><\/p>\n<p><span><\/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\">\n<p style=\"text-align: center;\"><span style=\"font-size: 50px;\"><span>30\u00a0<\/span><\/span><span style=\"font-size: 50px;\"><span>%<\/span><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Chromium-periodic-table.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-92359\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Chromium-periodic-table-150x150.png\" alt=\"Cromo na Tabela Peri\u00f3dica\" width=\"150\" height=\"150\" \/><\/a><\/span><\/p>\n<p><span><\/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\">\n<p style=\"text-align: center;\"><span style=\"font-size: 50px;\"><span>12\u00a0<\/span><\/span><span style=\"font-size: 50px;\"><span>%<\/span><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Tungsten-periodic-table.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-92539\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Tungsten-periodic-table-150x150.png\" alt=\"Tungst\u00eanio na Tabela Peri\u00f3dica\" width=\"150\" height=\"150\" \/><\/a><\/span><\/p>\n<p><span><\/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:25px 0;border-width:3px;border-color:#999999\"><\/div><\/span><\/p>\n<h2><span>Aplica\u00e7\u00f5es do Stellite<\/span><\/h2>\n<p><span>As aplica\u00e7\u00f5es t\u00edpicas incluem dentes de serra, revestimento duro e pe\u00e7as de m\u00e1quinas resistentes a \u00e1cidos.\u00a0Stellite foi uma grande melhoria na produ\u00e7\u00e3o de v\u00e1lvulas de gatilho e assentos de v\u00e1lvulas para v\u00e1lvulas, particularmente v\u00e1lvulas de escape, de motores de combust\u00e3o interna.\u00a0<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div><\/span><\/p>\n<h2><span>Propriedades Mec\u00e2nicas do Stellite<\/span><\/h2>\n<h3><span>For\u00e7a do Stellite<\/span><\/h3>\n<p><span>Na mec\u00e2nica dos materiais, a\u00a0<\/span><strong><span>resist\u00eancia de um material<\/span><\/strong><span>\u00a0\u00e9 sua capacidade de suportar uma carga aplicada sem falha ou deforma\u00e7\u00e3o pl\u00e1stica.\u00a0<\/span><strong><span>A resist\u00eancia dos materiais<\/span><\/strong><span>\u00a0considera basicamente a rela\u00e7\u00e3o entre as\u00a0<\/span><strong><span>cargas externas<\/span><\/strong><span>\u00a0aplicadas a um material e a\u00a0<\/span><strong><span>deforma\u00e7\u00e3o<\/span><\/strong><span>\u00a0resultante ou altera\u00e7\u00e3o nas dimens\u00f5es do material.\u00a0Ao projetar estruturas e m\u00e1quinas, \u00e9 importante considerar esses fatores, a fim de que o material selecionado tenha resist\u00eancia adequada para resistir \u00e0s cargas ou for\u00e7as aplicadas e manter sua forma original.<\/span><\/p>\n<p><strong><span>A resist\u00eancia de um material<\/span><\/strong><span>\u00a0\u00e9 a sua capacidade de suportar esta carga aplicada sem falha ou deforma\u00e7\u00e3o pl\u00e1stica.\u00a0Para tens\u00e3o de tra\u00e7\u00e3o, a capacidade de um material ou estrutura de suportar cargas que tendem a se alongar \u00e9 conhecida como resist\u00eancia \u00e0 tra\u00e7\u00e3o final (UTS).\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-yield-strength-yield-point-definition\/\"><span>O limite de escoamento<\/span><\/a><span>\u00a0ou tens\u00e3o de escoamento \u00e9 a propriedade do material definida como a tens\u00e3o na qual um material come\u00e7a a se deformar plasticamente, enquanto o ponto de escoamento \u00e9 o ponto onde a deforma\u00e7\u00e3o n\u00e3o linear (el\u00e1stica + pl\u00e1stica) come\u00e7a.\u00a0No caso de tens\u00e3o de tra\u00e7\u00e3o de uma barra uniforme (curva tens\u00e3o-deforma\u00e7\u00e3o), a <\/span><a href=\"https:\/\/material-properties.org\/what-is-hookes-law-definition\/\"><b><span>lei de Hooke<\/span><\/b><\/a><span>\u00a0descreve o comportamento de uma barra na regi\u00e3o el\u00e1stica.\u00a0O\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-youngs-modulus-of-elasticity-definition\/\"><span>m\u00f3dulo de elasticidade de Young<\/span><\/a>\u00a0<span>\u00e9 o m\u00f3dulo de elasticidade para tens\u00f5es de tra\u00e7\u00e3o e compress\u00e3o no regime de elasticidade linear de uma deforma\u00e7\u00e3o uniaxial e geralmente \u00e9 avaliado por ensaios de tra\u00e7\u00e3o.<\/span><\/p>\n<p><span>Veja tamb\u00e9m:\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-strength-definition\/\"><span>Resist\u00eancia dos Materiais<\/span><\/a><\/p>\n<h3><span>Resist\u00eancia \u00e0 tra\u00e7\u00e3o final do Stellite<\/span><\/h3>\n<p><span>A resist\u00eancia \u00e0 tra\u00e7\u00e3o final do Stellite \u00e9 de 1200 MPa.<\/span><\/p>\n<h3><span>For\u00e7a de Ced\u00eancia do Stellite<\/span><\/h3>\n<p><span>A for\u00e7a de rendimento do Stellite\u00a0<\/span><span>\u00e9 de 1050 MPa.<\/span><\/p>\n<h3><span>M\u00f3dulo de Elasticidade do Stellite<\/span><\/h3>\n<p><span>O m\u00f3dulo de elasticidade de Young do Stellite \u00e9 230 GPa.<\/span><\/p>\n<h3><span>Dureza do Stellite<\/span><\/h3>\n<p><span>Na ci\u00eancia dos materiais, a <\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/hardness\/\"><strong><span>dureza<\/span><\/strong><\/a><span> \u00e9 a capacidade de suportar <\/span><strong><span>o recuo da superf\u00edcie<\/span><\/strong><span>\u00a0(<\/span><strong><span>deforma\u00e7\u00e3o pl\u00e1stica localizada<\/span><\/strong><span>) e\u00a0<\/span><strong><span>arranh\u00f5es<\/span><\/strong><span>.\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/hardness\/brinell-hardness-test\/\"><strong><span>O teste de dureza Brinell<\/span><\/strong><\/a><span> \u00e9 um dos testes de dureza de indenta\u00e7\u00e3o, que foi desenvolvido para testes de dureza.\u00a0Nos testes Brinell, um <\/span><strong><span>penetrador esf\u00e9rico<\/span><\/strong><span>\u00a0duro \u00e9 for\u00e7ado sob uma carga espec\u00edfica na superf\u00edcie do metal a ser testado.<\/span><\/p>\n<p><span>O <\/span><strong><span>n\u00famero de dureza Brinell<\/span><\/strong><span>\u00a0(HB) \u00e9 a carga dividida pela \u00e1rea da superf\u00edcie da indenta\u00e7\u00e3o.\u00a0O di\u00e2metro da impress\u00e3o \u00e9 medido com um microsc\u00f3pio com uma escala sobreposta.\u00a0O n\u00famero de dureza Brinell \u00e9 calculado a partir da equa\u00e7\u00e3o:<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/brinell-hardness-number-definition.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-90677\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/brinell-hardness-number-definition.png\" sizes=\"(max-width: 320px) 100vw, 320px\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/brinell-hardness-number-definition.png 320w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/brinell-hardness-number-definition-300x178.png 300w\" alt=\"n\u00famero de dureza brinell - defini\u00e7\u00e3o\" width=\"320\" height=\"190\" \/><\/a><\/p>\n<p><span>A dureza Brinell do Stellite \u00e9 de aproximadamente 550 BHN (convertido).<\/span><\/p>\n<p><span>Veja tamb\u00e9m:\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-hardness-definition\/\"><span>Dureza dos Materiais<\/span><\/a><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;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\">\n<h3 style=\"text-align: center;\"><span>Resist\u00eancia dos Materiais<\/span><\/h3>\n<p><a href=\"https:\/\/material-properties.org\/strength-of-materials-tensile-yield\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-108070 size-medium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/02\/Material-Table-Strength-of-Materials-300x182.png\" alt=\"Tabela de Materiais - Resist\u00eancia dos Materiais\" width=\"300\" height=\"182\" \/><\/a><span><\/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\">\n<h3 style=\"text-align: center;\"><span>Elasticidade dos Materiais<\/span><\/h3>\n<p><a href=\"https:\/\/material-properties.org\/elasticity-of-materials\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-108080 size-medium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/02\/Material-Table-Elasticity-of-Materials-300x185.png\" alt=\"Tabela de Materiais - Elasticidade dos Materiais\" width=\"300\" height=\"185\" \/><\/a><span><\/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\">\n<h3 style=\"text-align: center;\"><span>Dureza dos Materiais<\/span><\/h3>\n<p><a href=\"https:\/\/material-properties.org\/hardness-of-materials-brinell-mohs\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-108085 size-medium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/02\/Material-Table-Hardness-of-Materials-300x182.png\" alt=\"Tabela de Materiais - Dureza dos Materiais\" width=\"300\" height=\"182\" \/><\/a><span>\u00a0 <\/span><\/p><\/div><\/div> <div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div><\/span><\/p>\n<h2><span>Propriedades T\u00e9rmicas do Stellite<\/span><\/h2>\n<h3><span>Stellite &#8211; Ponto de Fus\u00e3o<\/span><\/h3>\n<p><strong><span>O ponto de fus\u00e3o do Stellite \u00e9 1297\u00a0<\/span><\/strong><strong><span>\u00b0C<\/span><\/strong><span>.<\/span><\/p>\n<p><span>Observe que esses pontos est\u00e3o associados \u00e0 press\u00e3o atmosf\u00e9rica padr\u00e3o.\u00a0Em geral, a <\/span><strong><span>fus\u00e3o<\/span><\/strong><span>\u00a0\u00e9 uma\u00a0<\/span><strong><span>mudan\u00e7a de fase<\/span><\/strong><span>\u00a0de uma subst\u00e2ncia da fase s\u00f3lida para a l\u00edquida.\u00a0O <\/span><strong><span>ponto de fus\u00e3o<\/span><\/strong><span>\u00a0de uma subst\u00e2ncia \u00e9 a temperatura na qual essa mudan\u00e7a de fase ocorre.\u00a0O <\/span><strong><span>ponto de fus\u00e3o <\/span><\/strong><span>tamb\u00e9m define uma condi\u00e7\u00e3o na qual o s\u00f3lido e o l\u00edquido podem existir em equil\u00edbrio.\u00a0Para v\u00e1rios compostos qu\u00edmicos e ligas, \u00e9 dif\u00edcil definir o ponto de fus\u00e3o, pois geralmente s\u00e3o uma mistura de v\u00e1rios elementos qu\u00edmicos.<\/span><\/p>\n<h3><span>Stellite &#8211; Condutividade T\u00e9rmica<\/span><\/h3>\n<p><span>A condutividade t\u00e9rmica do Stellite \u00e9\u00a0<\/span><strong><span>14,8 W\/(m\u00b7K)<\/span><\/strong><span>.<\/span><\/p>\n<p><span>As caracter\u00edsticas de transfer\u00eancia de calor de um material s\u00f3lido s\u00e3o medidas por uma propriedade chamada <\/span><strong><span>condutividade t\u00e9rmica<\/span><\/strong><span>, k (ou \u03bb), medida em\u00a0<\/span><strong><span>W\/mK<\/span><\/strong><span>.\u00a0\u00c9 uma medida da capacidade de uma subst\u00e2ncia de transferir calor atrav\u00e9s de um material por <\/span><a href=\"https:\/\/www.thermal-engineering.org\/what-is-thermal-conduction-heat-conduction-definition\/\"><span>condu\u00e7\u00e3o<\/span><\/a><span>.\u00a0Observe que <\/span><a href=\"https:\/\/www.thermal-engineering.org\/what-is-fouriers-law-of-thermal-conduction-definition\/\"><strong><span>a lei de Fourier<\/span><\/strong><\/a><span> se aplica a toda mat\u00e9ria, independentemente de seu estado (s\u00f3lido, l\u00edquido ou gasoso), portanto, tamb\u00e9m \u00e9 definida para l\u00edquidos e gases.<\/span><\/p>\n<p><span>A <\/span><a href=\"https:\/\/www.thermal-engineering.org\/what-is-thermal-conductivity-definition\/\"><strong><span>condutividade t\u00e9rmica<\/span><\/strong><\/a><span> da maioria dos l\u00edquidos e s\u00f3lidos varia com a temperatura.\u00a0Para vapores, tamb\u00e9m depende da press\u00e3o.\u00a0No geral:<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/thermal-conductivity-definition.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-88793\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/thermal-conductivity-definition.png\" alt=\"condutividade t\u00e9rmica - defini\u00e7\u00e3o\" width=\"225\" height=\"75\" \/><\/a><\/p>\n<p><span>A maioria dos materiais s\u00e3o quase homog\u00eaneos, portanto, geralmente podemos escrever <\/span><strong><em><span>k = k(T)<\/span><\/em><\/strong><span>.\u00a0Defini\u00e7\u00f5es semelhantes est\u00e3o associadas a condutividades t\u00e9rmicas nas dire\u00e7\u00f5es y e z (ky, kz), mas para um material isotr\u00f3pico a condutividade t\u00e9rmica \u00e9 independente da dire\u00e7\u00e3o de transfer\u00eancia, kx = ky = kz = k.<\/span><\/p>\n<h3><span>Stellite &#8211; Calor Espec\u00edfico<\/span><\/h3>\n<p><strong><span>O calor espec\u00edfico do Stellite \u00e9 423 <\/span><\/strong><strong><span>J\/g<\/span><\/strong><span>\u00a0<strong>K<\/strong>.<\/span><\/p>\n<p><strong><span>Calor espec\u00edfico, ou capacidade calor\u00edfica espec\u00edfica, <\/span><\/strong><span>\u00e9 uma propriedade relacionada \u00e0\u00a0<strong><a href=\"https:\/\/www.thermal-engineering.org\/what-is-internal-energy-thermal-energy-definition\/\">energia interna<\/a><\/strong>\u00a0que \u00e9 muito importante na termodin\u00e2mica.\u00a0As <strong>propriedades intensivas <\/strong><strong><em>c<\/em><\/strong><strong><em><sub>v<\/sub><\/em><\/strong> e\u00a0<strong><em>c<\/em><\/strong><strong><em><sub>p<\/sub><\/em><\/strong> s\u00e3o definidas para subst\u00e2ncias compress\u00edveis puras simples como derivadas parciais da <strong>energia interna <\/strong><strong><em>u(T, v)<\/em><\/strong> e\u00a0<strong>entalpia <\/strong><strong><em>h(T, p)<\/em><\/strong>, respectivamente:<\/span><strong>\u00a0<\/strong><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/Specific-Heat-at-Constant-Volume-and-Constant-Pressure.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-87689\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/Specific-Heat-at-Constant-Volume-and-Constant-Pressure.png\" alt=\"\" width=\"106\" height=\"138\" \/><\/a><\/p>\n<p><span>onde os subscritos <\/span><strong><span>v<\/span><\/strong><span> e\u00a0<\/span><strong><span>p<\/span><\/strong><span>\u00a0denotam as vari\u00e1veis \u200b\u200bmantidas fixas durante a diferencia\u00e7\u00e3o.\u00a0As propriedades <\/span><strong><span>c<\/span><sub><span>v<\/span><\/sub> <\/strong><span>e\u00a0<\/span><strong><span>c<\/span><sub><span>p<\/span><\/sub><\/strong><span> s\u00e3o chamadas de\u00a0<\/span><strong><span>calores espec\u00edficos <\/span><\/strong><span>(ou\u00a0<\/span><strong><span>capacidades de calor<\/span><\/strong><span>) porque, sob certas condi\u00e7\u00f5es especiais, elas relacionam a mudan\u00e7a de temperatura de um sistema \u00e0 quantidade de energia adicionada pela transfer\u00eancia de calor.\u00a0Suas unidades no SI s\u00e3o <\/span><strong><span>J\/kg K<\/span><\/strong><span> ou\u00a0<\/span><strong><span>J\/mol K<\/span><\/strong><span>.<\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;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\">\n<h3 style=\"text-align: center;\"><span>Ponto de fus\u00e3o dos Materiais<\/span><\/h3>\n<p><a href=\"https:\/\/material-properties.org\/melting-point-of-materials\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-108050 size-medium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/02\/Material-Table-Metling-Point-300x183.png\" alt=\"Tabela de Materiais - Ponto de Fus\u00e3o\" width=\"300\" height=\"183\" \/><\/a><span><\/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\">\n<h3 style=\"text-align: center;\"><span>Condutividade T\u00e9rmica dos Materiais<\/span><\/h3>\n<p><a href=\"https:\/\/material-properties.org\/thermal-conductivity-of-materials\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-108055 size-medium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/02\/Material-Table-Thermal-Conductivity-300x180.png\" alt=\"Tabela de Materiais - Condutividade T\u00e9rmica\" width=\"300\" height=\"180\" \/><\/a><span><\/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\">\n<h3 style=\"text-align: center;\"><span>Capacidade de Calor dos Materiais<\/span><\/h3>\n<p><a href=\"https:\/\/material-properties.org\/heat-capacity-of-materials\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-108063 size-medium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/02\/Material-Table-Heat-Capacity-300x179.png\" alt=\"Tabela de Materiais - Capacidade de Calor\" width=\"300\" height=\"179\" \/><\/a><\/p>\n<h3 style=\"text-align: center;\"><\/h3>\n<p><span><\/span><\/p><\/div><\/div> <div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div><\/span><\/p>\n<h2><span>Propriedades e pre\u00e7os de outros materiais<\/span><\/h2>\n<p><span>tabela de materiais em resolu\u00e7\u00e3o de 8k<\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:20px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sobre Stellite As ligas de stellite s\u00e3o um grupo de &#8216;superligas&#8217; de cromo-cobalto que consiste em carbonetos complexos em uma matriz de liga projetada predominantemente para alta resist\u00eancia ao desgaste e desempenho qu\u00edmico e de corros\u00e3o superior em ambientes hostis.\u00a0Ao contr\u00e1rio de outras superligas, as ligas \u00e0 base de cobalto s\u00e3o caracterizadas por uma matriz &#8230; <a title=\"Stellite &#8211; Tabela de Materiais &#8211; Aplica\u00e7\u00f5es &#8211; Pre\u00e7o\" class=\"read-more\" href=\"https:\/\/material-properties.org\/pt-br\/stellite-tabela-de-materiais-aplicacoes-preco\/\">Ler mais&#8230;<\/a><\/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>Stellite | Propriedades, Pre\u00e7o e Aplica\u00e7\u00e3o | Propriedades do Material<\/title>\n<meta name=\"description\" content=\"As ligas Stellite s\u00e3o um grupo de &#039;superligas&#039; de cromo-cobalto que consiste em carbonetos complexos em uma matriz de liga predominantemente projetada para alta resist\u00eancia ao desgaste e desempenho qu\u00edmico e de corros\u00e3o superior em ambientes hostis.\" \/>\n<meta name=\"robots\" content=\"index, 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