{"id":117254,"date":"2022-09-11T21:38:11","date_gmt":"2022-09-11T20:38:11","guid":{"rendered":"https:\/\/material-properties.org\/la-de-vidro-tabela-de-materiais-aplicacoes-preco\/"},"modified":"2022-10-17T13:34:41","modified_gmt":"2022-10-17T12:34:41","slug":"la-de-vidro-tabela-de-materiais-aplicacoes-preco","status":"publish","type":"post","link":"https:\/\/material-properties.org\/pt-br\/la-de-vidro-tabela-de-materiais-aplicacoes-preco\/","title":{"rendered":"L\u00e3 de Vidro &#8211; Tabela de Materiais &#8211; Aplica\u00e7\u00f5es &#8211; Pre\u00e7o"},"content":{"rendered":"<h2>Sobre L\u00e3 de Vidro<\/h2>\n<p>A l\u00e3 de vidro (originalmente conhecida tamb\u00e9m como fibra de vidro) \u00e9 um material isolante feito de fibras de vidro dispostas usando um aglutinante em uma textura semelhante \u00e0 l\u00e3.\u00a0A l\u00e3 de vidro e a l\u00e3 de rocha s\u00e3o produzidas a partir de fibras minerais e, por isso, s\u00e3o muitas vezes referidas como &#8216;l\u00e3s minerais&#8217;.\u00a0L\u00e3 mineral \u00e9 um nome geral para materiais de fibra que s\u00e3o formados por fia\u00e7\u00e3o ou extra\u00e7\u00e3o de minerais fundidos.\u00a0A l\u00e3 de vidro \u00e9 um produto de forno de vidro fundido a uma temperatura de cerca de 1450 \u00b0C. <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\/wp-content\/uploads\/2021\/03\/glass-wool-properties-density-strength-price.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-108366\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/03\/glass-wool-properties-density-strength-price.png\" alt=\"l\u00e3 de vidro propriedades densidade for\u00e7a pre\u00e7o\" width=\"500\" height=\"500\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/03\/glass-wool-properties-density-strength-price.png 1000w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/03\/glass-wool-properties-density-strength-price-300x300.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/03\/glass-wool-properties-density-strength-price-150x150.png 150w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/03\/glass-wool-properties-density-strength-price-768x768.png 768w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div>\n<h3 style=\"text-align: center;\">Resumo<\/h3>\n<table class=\"a\">\n<tbody>\n<tr class=\"b\">\n<td style=\"text-align: center;\">Nome<\/td>\n<td style=\"text-align: center;\"><strong>L\u00e3 de Vidro<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Fase em STP<\/td>\n<td style=\"text-align: center;\"><strong>s\u00f3lido<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Densidade<\/td>\n<td style=\"text-align: center;\"><strong>20 kg\/m<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>0,02 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>N\/D<\/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>N\/D<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Dureza Brinell<\/td>\n<td style=\"text-align: center;\"><strong>N\/D<\/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>1227 \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>0,03 W\/mK<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Capacidade de calor<\/td>\n<td style=\"text-align: center;\"><strong><span style=\"text-align: start;\">840 J\/gK<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Pre\u00e7o<\/td>\n<td style=\"text-align: center;\"><strong>3 $\/kg<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div>\n<h2>Composi\u00e7\u00e3o da L\u00e3 de Vidro<\/h2>\n<p>A partir do vidro derretido, as fibras s\u00e3o fiadas.\u00a0Este processo \u00e9 baseado na fia\u00e7\u00e3o de vidro fundido em cabe\u00e7otes de fia\u00e7\u00e3o de alta velocidade, semelhante ao processo usado para produzir algod\u00e3o doce.\u00a0Durante a fia\u00e7\u00e3o das fibras de vidro, um agente de liga\u00e7\u00e3o \u00e9 injetado.\u00a0A l\u00e3 de vidro \u00e9 ent\u00e3o produzida em rolos ou em placas, com diferentes propriedades t\u00e9rmicas e mec\u00e2nicas.\u00a0Tamb\u00e9m pode ser produzido como um material que pode ser pulverizado ou aplicado no local, sobre a superf\u00edcie a ser isolada.\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;\">56%<a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Silicon-periodic-table.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-92484\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Silicon-periodic-table-150x150.png\" alt=\"Sil\u00edcio na Tabela Peri\u00f3dica\" width=\"150\" height=\"150\" \/><\/a><\/span><\/p>\n<\/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;\">44%<a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Oxygen-periodic-table.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-94990\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Oxygen-periodic-table-150x150.png\" alt=\"Oxig\u00eanio na Tabela Peri\u00f3dica\" width=\"150\" height=\"150\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Oxygen-periodic-table-150x150.png 150w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Oxygen-periodic-table-300x300.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Oxygen-periodic-table.png 500w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a><\/span><\/p>\n<\/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<\/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>\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div>\n<h2>Aplica\u00e7\u00f5es de L\u00e3 de Vidro<\/h2>\n<figure id=\"attachment_109064\" aria-describedby=\"caption-attachment-109064\" style=\"width: 290px\" class=\"wp-caption alignright\"><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/03\/Glass-Wool-Material-Table-Applications-Price.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-109064\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/03\/Glass-Wool-Material-Table-Applications-Price.jpg\" alt=\"{%TEXTO ALTERNATIVO%}\" width=\"300\" height=\"200\" \/><\/a><figcaption id=\"caption-attachment-109064\" class=\"wp-caption-text\">Source: wikipedia.org License: CC-BY SA 3.0<\/figcaption><\/figure>\n<p>As aplica\u00e7\u00f5es da l\u00e3 de vidro incluem isolamento estrutural, isolamento de tubos, filtragem e insonoriza\u00e7\u00e3o.\u00a0A l\u00e3 de vidro \u00e9 um material vers\u00e1til que pode ser utilizado para o isolamento de paredes, telhados e pisos.\u00a0Pode ser um material de preenchimento solto, soprado em s\u00f3t\u00e3os ou, juntamente com um aglutinante ativo, pulverizado na parte inferior das estruturas.\u00a0Durante a instala\u00e7\u00e3o da l\u00e3 de vidro, ela deve ser mantida sempre seca, pois o aumento do teor de umidade provoca um aumento significativo da condutividade t\u00e9rmica.\u00a0<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div>\n<h2>Propriedades Mec\u00e2nicas da L\u00e3 de Vidro<\/h2>\n<h3>For\u00e7a da L\u00e3 de Vidro<\/h3>\n<p>Na mec\u00e2nica dos materiais, a\u00a0<strong>resist\u00eancia de um material<\/strong>\u00a0\u00e9 sua capacidade de suportar uma carga aplicada sem falha ou deforma\u00e7\u00e3o pl\u00e1stica.\u00a0<strong>A resist\u00eancia dos materiais<\/strong>\u00a0considera basicamente a rela\u00e7\u00e3o entre as\u00a0<strong>cargas externas<\/strong>\u00a0aplicadas a um material e a\u00a0<strong>deforma\u00e7\u00e3o<\/strong>\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.<\/p>\n<p><strong>A resist\u00eancia de um material<\/strong>\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<a href=\"https:\/\/material-properties.org\/what-is-yield-strength-yield-point-definition\/\">O limite de escoamento<\/a>\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 <a href=\"https:\/\/material-properties.org\/what-is-hookes-law-definition\/\"><b>lei de Hooke<\/b><\/a>\u00a0descreve o comportamento de uma barra na regi\u00e3o el\u00e1stica.\u00a0O\u00a0<a href=\"https:\/\/material-properties.org\/what-is-youngs-modulus-of-elasticity-definition\/\">m\u00f3dulo de elasticidade de Young<\/a> \u00a0\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.<\/p>\n<p>Veja tamb\u00e9m:\u00a0<a href=\"https:\/\/material-properties.org\/what-is-strength-definition\/\">Resist\u00eancia dos Materiais<\/a><\/p>\n<h3>Resist\u00eancia \u00e0 tra\u00e7\u00e3o final da L\u00e3 de Vidro<\/h3>\n<p>A resist\u00eancia \u00e0 tra\u00e7\u00e3o final da L\u00e3 de Vidro \u00e9 de 0,02 MPa.<\/p>\n<h3>For\u00e7a de rendimento da L\u00e3 de Vidro<\/h3>\n<p>A for\u00e7a de rendimento da L\u00e3 de Vidro\u00a0\u00e9 N\/A.<\/p>\n<h3>M\u00f3dulo de Elasticidade da L\u00e3 de Vidro<\/h3>\n<p>O m\u00f3dulo de elasticidade de Young da L\u00e3 de Vidro \u00e9 N\/A.<\/p>\n<h3>Dureza da L\u00e3 de Vidro<\/h3>\n<p>Na ci\u00eancia dos materiais, a <a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/hardness\/\"><strong>dureza<\/strong><\/a> \u00e9 a capacidade de suportar <strong>o recuo da superf\u00edcie<\/strong> (<strong>deforma\u00e7\u00e3o pl\u00e1stica localizada<\/strong>) e <strong>arranh\u00f5es<\/strong>.\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/hardness\/brinell-hardness-test\/\"><strong>O teste de dureza Brinell<\/strong><\/a> \u00e9 um dos testes de dureza de indenta\u00e7\u00e3o, que foi desenvolvido para testes de dureza.\u00a0Nos testes Brinell, um <strong>penetrador esf\u00e9rico<\/strong>\u00a0duro \u00e9 for\u00e7ado sob uma carga espec\u00edfica na superf\u00edcie do metal a ser testado.<\/p>\n<p>O <strong>n\u00famero de dureza Brinell<\/strong>\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:<\/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>A dureza Brinell da L\u00e3 de Vidro \u00e9 aproximadamente N\/A.<\/p>\n<p>Veja tamb\u00e9m:\u00a0<a href=\"https:\/\/material-properties.org\/what-is-hardness-definition\/\">Dureza dos Materiais<\/a><\/p>\n<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;\">Resist\u00eancia dos Materiais<\/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><\/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;\">Elasticidade dos Materiais<\/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><\/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;\">Dureza dos Materiais<\/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>\u00a0 <\/p><\/div><\/div> <div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div>\n<h2>Propriedades T\u00e9rmicas da L\u00e3 de Vidro<\/h2>\n<h3>L\u00e3 de Vidro &#8211; Ponto de Fus\u00e3o<\/h3>\n<p><strong>O ponto de fus\u00e3o da L\u00e3 de Vidro \u00e9 1227\u00a0<\/strong><strong>\u00b0C<\/strong>.<\/p>\n<p>Observe que esses pontos est\u00e3o associados \u00e0 press\u00e3o atmosf\u00e9rica padr\u00e3o. Em geral, a\u00a0<strong>fus\u00e3o<\/strong> \u00e9 uma\u00a0<strong>mudan\u00e7a de fase<\/strong> de uma subst\u00e2ncia da fase s\u00f3lida para a l\u00edquida.\u00a0O\u00a0<strong>ponto de fus\u00e3o<\/strong> de uma subst\u00e2ncia \u00e9 a temperatura na qual essa mudan\u00e7a de fase ocorre. O\u00a0<strong>ponto de fus\u00e3o<\/strong>\u00a0tamb\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.<\/p>\n<h3>L\u00e3 de Vidro &#8211; Condutividade T\u00e9rmica<\/h3>\n<p>A condutividade t\u00e9rmica da L\u00e3 de Vidro \u00e9\u00a0<strong>0,03\u00a0<\/strong><strong>W\/(m\u00b7K)<\/strong>.<\/p>\n<p>As caracter\u00edsticas de transfer\u00eancia de calor de um material s\u00f3lido s\u00e3o medidas por uma propriedade chamada <strong>condutividade t\u00e9rmica<\/strong>, k (ou \u03bb), medida em\u00a0<strong>W\/mK<\/strong>. \u00c9 uma medida da capacidade de uma subst\u00e2ncia de transferir calor atrav\u00e9s de um material por\u00a0<a href=\"https:\/\/www.thermal-engineering.org\/what-is-thermal-conduction-heat-conduction-definition\/\">condu\u00e7\u00e3o<\/a>. Observe que\u00a0<a href=\"https:\/\/www.thermal-engineering.org\/what-is-fouriers-law-of-thermal-conduction-definition\/\"><strong>a lei de Fourier<\/strong><\/a> 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.<\/p>\n<p>A <a href=\"https:\/\/www.thermal-engineering.org\/what-is-thermal-conductivity-definition\/\"><strong>condutividade t\u00e9rmica<\/strong><\/a> da maioria dos l\u00edquidos e s\u00f3lidos varia com a temperatura.\u00a0Para vapores, tamb\u00e9m depende da press\u00e3o.\u00a0No geral:<\/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>A maioria dos materiais s\u00e3o quase homog\u00eaneos, portanto, geralmente podemos escrever <strong><em>k = k(T)<\/em><\/strong>.\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.<\/p>\n<h3>L\u00e3 de Vidro &#8211; Calor Espec\u00edfico<\/h3>\n<p><strong>O calor espec\u00edfico da L\u00e3 de Vidro \u00e9 840 <\/strong><strong>J\/g<\/strong>\u00a0<strong>K<\/strong>.<\/p>\n<p><strong>Calor espec\u00edfico, ou capacidade calor\u00edfica espec\u00edfica,<\/strong>\u00a0\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> que \u00e9 muito importante na termodin\u00e2mica. As\u00a0<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\u00a0<strong>energia interna <\/strong><strong><em>u(T, v)<\/em><\/strong>\u00a0e\u00a0<strong>entalpia <\/strong><strong><em>h(T, p)<\/em><\/strong>, respectivamente:<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>onde os subscritos <strong>v<\/strong> e\u00a0<strong>p<\/strong> denotam as vari\u00e1veis \u200b\u200bmantidas fixas durante a diferencia\u00e7\u00e3o.\u00a0As propriedades\u00a0<strong>c<sub>v<\/sub> <\/strong>e <strong>c<sub>p<\/sub><\/strong> s\u00e3o chamadas de\u00a0<strong>calores espec\u00edficos <\/strong>(ou <strong>capacidades de calor<\/strong>) 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. Suas unidades no SI s\u00e3o\u00a0<strong>J\/kg K<\/strong> ou\u00a0<strong>J\/mol K<\/strong>.<\/p>\n<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;\">Ponto de fus\u00e3o dos Materiais<\/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><\/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;\">Condutividade T\u00e9rmica dos Materiais<\/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><\/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;\">Capacidade de Calor dos Materiais<\/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<\/div><\/div> <div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div>\n<h2>Propriedades e pre\u00e7os de outros materiais<\/h2>\n<p>tabela de materiais em resolu\u00e7\u00e3o de 8k<\/p>\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:20px 0;border-width:2px;border-color:#999999\"><\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sobre L\u00e3 de Vidro A l\u00e3 de vidro (originalmente conhecida tamb\u00e9m como fibra de vidro) \u00e9 um material isolante feito de fibras de vidro dispostas usando um aglutinante em uma textura semelhante \u00e0 l\u00e3.\u00a0A l\u00e3 de vidro e a l\u00e3 de rocha s\u00e3o produzidas a partir de fibras minerais e, por isso, s\u00e3o muitas vezes &#8230; 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