{"id":114343,"date":"2022-02-04T06:59:22","date_gmt":"2022-02-04T05:59:22","guid":{"rendered":"https:\/\/material-properties.org\/laine-de-verre-tableau-des-materiaux-applications-prix\/"},"modified":"2022-02-04T06:59:22","modified_gmt":"2022-02-04T05:59:22","slug":"laine-de-verre-tableau-des-materiaux-applications-prix","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/laine-de-verre-tableau-des-materiaux-applications-prix\/","title":{"rendered":"Laine de verre &#8211; Tableau des mat\u00e9riaux &#8211; Applications &#8211; Prix"},"content":{"rendered":"<h2><span>\u00c0 propos de la laine de verre<\/span><\/h2>\n<p><span>La laine de verre (\u00e9galement connue \u00e0 l&rsquo;origine sous le nom de fibre de verre) est un mat\u00e9riau isolant fabriqu\u00e9 \u00e0 partir de fibres de verre dispos\u00e9es \u00e0 l&rsquo;aide d&rsquo;un liant dans une texture similaire \u00e0 la laine.\u00a0La laine de verre et la laine de roche sont produites \u00e0 partir de fibres min\u00e9rales et sont donc souvent appel\u00e9es \u00ab laines min\u00e9rales \u00bb.\u00a0La laine min\u00e9rale est un nom g\u00e9n\u00e9ral pour les mat\u00e9riaux fibreux form\u00e9s par filage ou \u00e9tirage de min\u00e9raux en fusion.\u00a0La laine de verre est un produit de four de verre fondu \u00e0 une temp\u00e9rature d&rsquo;environ 1450 \u00b0C.\u00a0<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div><\/span><\/p>\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-108364\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/03\/glass-wool-properties-density-strength-price.png\" alt=\"laine de verre propri\u00e9t\u00e9s densit\u00e9 r\u00e9sistance prix\" 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<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div><\/span><\/p>\n<h3 style=\"text-align: center;\"><span>R\u00e9sum\u00e9<\/span><\/h3>\n<table class=\"a\">\n<tbody>\n<tr class=\"b\">\n<td style=\"text-align: center;\"><span>Nom<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>Laine de verre<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Phase \u00e0 STP<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>solide<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Densit\u00e9<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>20kg\/m3<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>R\u00e9sistance \u00e0 la traction ultime<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>0,02 MPa<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Limite d&rsquo;\u00e9lasticit\u00e9<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>N \/ A<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Module d&rsquo;\u00e9lasticit\u00e9 de Young<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>N \/ A<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Duret\u00e9 Brinell<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>N \/ A<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Point de fusion<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>1227\u00b0C<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Conductivit\u00e9 thermique<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>0,03 W\/mK<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Capacit\u00e9 thermique<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span style=\"text-align: start;\"><span>840 J\/g\u00b7K<\/span><\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Prix<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>3 $\/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>Composition de Laine de Verre<\/span><\/h2>\n<p><span>A partir du verre fondu, des fibres sont fil\u00e9es.\u00a0Ce processus est bas\u00e9 sur la filature de verre fondu dans des t\u00eates de filage \u00e0 grande vitesse un peu comme le processus utilis\u00e9 pour produire de la barbe \u00e0 papa.\u00a0Lors du filage des fibres de verre, un liant est inject\u00e9.\u00a0La laine de verre est ensuite produite en rouleaux ou en plaques, avec des propri\u00e9t\u00e9s thermiques et m\u00e9caniques diff\u00e9rentes.\u00a0Il peut \u00e9galement \u00eatre r\u00e9alis\u00e9 sous forme de mat\u00e9riau pouvant \u00eatre pulv\u00e9ris\u00e9 ou appliqu\u00e9 en place, sur la surface \u00e0 isoler.\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>56%<\/span><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=\"Silicium dans le tableau p\u00e9riodique\" 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>44%<\/span><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=\"Oxyg\u00e8ne dans le tableau p\u00e9riodique\" 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<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><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>Applications de la laine de verre<\/span><\/h2>\n<figure id=\"attachment_109062\" aria-describedby=\"caption-attachment-109062\" 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-109062\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/03\/Glass-Wool-Material-Table-Applications-Price.jpg\" alt=\"Laine de verre - Tableau des mat\u00e9riaux - Applications - Prix\" width=\"300\" height=\"200\" \/><\/a><figcaption id=\"caption-attachment-109062\" class=\"wp-caption-text\"><span>{%L\u00c9GENDE%}<\/span><\/figcaption><\/figure>\n<p><span>Les applications de la laine de verre comprennent l&rsquo;isolation structurelle, l&rsquo;isolation des tuyaux, la filtration et l&rsquo;insonorisation.\u00a0La laine de verre est un mat\u00e9riau polyvalent qui peut \u00eatre utilis\u00e9 pour l&rsquo;isolation des murs, des toits et des sols.\u00a0Il peut s&rsquo;agir d&rsquo;un mat\u00e9riau de remblai en vrac, souffl\u00e9 dans les combles, ou, associ\u00e9 \u00e0 un liant actif pulv\u00e9ris\u00e9 sur la face inf\u00e9rieure des structures.\u00a0Lors de l&rsquo;installation de la laine de verre, celle-ci doit \u00eatre maintenue au sec en tout temps, car une augmentation de la teneur en humidit\u00e9 entra\u00eene une augmentation significative de la conductivit\u00e9 thermique.\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>Propri\u00e9t\u00e9s m\u00e9caniques de la laine de verre<\/span><\/h2>\n<h3><span>R\u00e9sistance de la laine de verre<\/span><\/h3>\n<p><span>En m\u00e9canique des mat\u00e9riaux, la\u00a0<\/span><strong><span>r\u00e9sistance d&rsquo;un mat\u00e9riau<\/span><\/strong><span>\u00a0est sa capacit\u00e9 \u00e0 supporter une charge appliqu\u00e9e sans rupture ni d\u00e9formation plastique.\u00a0<\/span><strong><span>La r\u00e9sistance des mat\u00e9riaux<\/span><\/strong><span>\u00a0consid\u00e8re essentiellement la relation entre les\u00a0<\/span><strong><span>charges externes<\/span><\/strong><span>\u00a0appliqu\u00e9es \u00e0 un mat\u00e9riau et la\u00a0<\/span><strong><span>d\u00e9formation<\/span><\/strong><span>\u00a0ou la modification des dimensions du mat\u00e9riau qui en r\u00e9sulte.\u00a0Lors de la conception de structures et de machines, il est important de tenir compte de ces facteurs, afin que le mat\u00e9riau s\u00e9lectionn\u00e9 ait une r\u00e9sistance suffisante pour r\u00e9sister aux charges ou forces appliqu\u00e9es et conserver sa forme d&rsquo;origine.<\/span><\/p>\n<p><strong><span>La r\u00e9sistance d&rsquo;un mat\u00e9riau<\/span><\/strong><span>\u00a0est sa capacit\u00e9 \u00e0 supporter cette charge appliqu\u00e9e sans d\u00e9faillance ni d\u00e9formation plastique.\u00a0Pour la contrainte de traction, la capacit\u00e9 d&rsquo;un mat\u00e9riau ou d&rsquo;une structure \u00e0 supporter des charges tendant \u00e0 s&rsquo;allonger est appel\u00e9e r\u00e9sistance ultime \u00e0 la traction (UTS).\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-yield-strength-yield-point-definition\/\"><span>La<\/span><\/a><span>\u00a0limite d&rsquo;\u00e9lasticit\u00e9 ou la limite d&rsquo;\u00e9lasticit\u00e9 est la propri\u00e9t\u00e9 du mat\u00e9riau d\u00e9finie comme la contrainte \u00e0 laquelle un mat\u00e9riau commence \u00e0 se d\u00e9former plastiquement, tandis que la limite d&rsquo;\u00e9lasticit\u00e9 est le point o\u00f9 la d\u00e9formation non lin\u00e9aire (\u00e9lastique + plastique) commence.\u00a0En cas de contrainte de traction d&rsquo;une barre uniforme (courbe contrainte-d\u00e9formation), la\u00a0\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-hookes-law-definition\/\"><b><span>loi de Hooke<\/span><\/b><\/a><span>\u00a0d\u00e9crit le comportement d&rsquo;une barre dans la r\u00e9gion \u00e9lastique.\u00a0Le\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-youngs-modulus-of-elasticity-definition\/\"><span>module d&rsquo;\u00e9lasticit\u00e9 de Young<\/span><\/a><span>est le module d&rsquo;\u00e9lasticit\u00e9 pour les contraintes de traction et de compression dans le r\u00e9gime d&rsquo;\u00e9lasticit\u00e9 lin\u00e9aire d&rsquo;une d\u00e9formation uniaxiale et est g\u00e9n\u00e9ralement \u00e9valu\u00e9 par des essais de traction.<\/span><\/p>\n<p><span>Voir aussi :\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-strength-definition\/\"><span>R\u00e9sistance des mat\u00e9riaux<\/span><\/a><\/p>\n<h3><span>R\u00e9sistance \u00e0 la traction ultime de la laine de verre<\/span><\/h3>\n<p><span>La r\u00e9sistance \u00e0 la traction ultime de la laine de verre est de 0,02 MPa.<\/span><\/p>\n<h3><span>Limite d&rsquo;\u00e9lasticit\u00e9 de la laine de verre<\/span><\/h3>\n<p><span>La limite d&rsquo;\u00e9lasticit\u00e9 de la laine de verre\u00a0<\/span><strong>\u00a0<\/strong><span>est N\/A.<\/span><\/p>\n<h3><span>Module d&rsquo;\u00e9lasticit\u00e9 de la laine de verre<\/span><\/h3>\n<p><span>Le module d&rsquo;\u00e9lasticit\u00e9 de Young de la laine de verre est N\/A.<\/span><\/p>\n<h3><span>Duret\u00e9 de la laine de verre<\/span><\/h3>\n<p><span>En science des mat\u00e9riaux, la\u00a0\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/hardness\/\"><strong><span>duret\u00e9<\/span><\/strong><\/a><span>\u00a0\u00a0est la capacit\u00e9 \u00e0 r\u00e9sister \u00e0\u00a0\u00a0<\/span><strong><span>l&rsquo;indentation de surface<\/span><\/strong><span>\u00a0\u00a0(\u00a0<\/span><strong><span>d\u00e9formation plastique localis\u00e9e<\/span><\/strong><span>\u00a0) et\u00a0 aux\u00a0<\/span><strong><span>rayures<\/span><\/strong><span>\u00a0.\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/hardness\/brinell-hardness-test\/\"><strong><span>Le test de duret\u00e9 Brinell<\/span><\/strong><\/a><span>\u00a0\u00a0est l&rsquo;un des tests de duret\u00e9 par indentation, qui a \u00e9t\u00e9 d\u00e9velopp\u00e9 pour les tests de duret\u00e9.\u00a0Dans les tests Brinell, un\u00a0\u00a0<\/span><strong><span>p\u00e9n\u00e9trateur sph\u00e9rique<\/span><\/strong><span>\u00a0dur est forc\u00e9 sous une charge sp\u00e9cifique dans la surface du m\u00e9tal \u00e0 tester.<\/span><\/p>\n<p><span>L&rsquo;\u00a0 indice de\u00a0<\/span><strong><span>duret\u00e9 Brinell<\/span><\/strong><span>\u00a0\u00a0(HB) est la charge divis\u00e9e par la surface de l&rsquo;indentation.\u00a0Le diam\u00e8tre de l&#8217;empreinte est mesur\u00e9 avec un microscope \u00e0 \u00e9chelle superpos\u00e9e.\u00a0Le nombre de duret\u00e9 Brinell est calcul\u00e9 \u00e0 partir de l&rsquo;\u00e9quation\u00a0:<\/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-90675\" 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=\"indice de duret\u00e9 Brinell - d\u00e9finition\" width=\"320\" height=\"190\" \/><\/a><\/p>\n<p><span>La duret\u00e9 Brinell de la laine de verre est d&rsquo;environ N\/A.<\/span><\/p>\n<p><span>Voir aussi :\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-hardness-definition\/\"><span>Duret\u00e9 des mat\u00e9riaux<\/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>La r\u00e9sistance des mat\u00e9riaux<\/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=\"Tableau des mat\u00e9riaux - R\u00e9sistance des mat\u00e9riaux\" 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>\u00c9lasticit\u00e9 des mat\u00e9riaux<\/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=\"Tableau des mat\u00e9riaux - \u00c9lasticit\u00e9 des mat\u00e9riaux\" 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>Duret\u00e9 des mat\u00e9riaux<\/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=\"Tableau des mat\u00e9riaux - Duret\u00e9 des mat\u00e9riaux\" 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>Propri\u00e9t\u00e9s thermiques de la laine de verre<\/span><\/h2>\n<h3><span>Laine de verre &#8211; Point de fusion<\/span><\/h3>\n<p><strong><span>Le point de fusion de la laine de verre est de 1227\u00a0<\/span><\/strong><strong><span>\u00b0C<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<p><span>Notez que ces points sont associ\u00e9s \u00e0 la pression atmosph\u00e9rique standard.\u00a0En g\u00e9n\u00e9ral, la\u00a0\u00a0<\/span><strong><span>fusion<\/span><\/strong><span>\u00a0\u00a0est un\u00a0\u00a0<\/span><strong><span>changement de phase<\/span><\/strong><span>\u00a0\u00a0d&rsquo;une substance de la phase solide \u00e0 la phase liquide.\u00a0Le\u00a0\u00a0<\/span><strong><span>point de fusion<\/span><\/strong><span>\u00a0\u00a0d&rsquo;une substance est la temp\u00e9rature \u00e0 laquelle ce changement de phase se produit.\u00a0Le\u00a0\u00a0<\/span><strong><span>point de fusion\u00a0<\/span><\/strong><span>\u00a0d\u00e9finit \u00e9galement une condition dans laquelle le solide et le liquide peuvent exister en \u00e9quilibre.\u00a0Pour divers compos\u00e9s chimiques et alliages, il est difficile de d\u00e9finir le point de fusion, car il s&rsquo;agit g\u00e9n\u00e9ralement d&rsquo;un m\u00e9lange de divers \u00e9l\u00e9ments chimiques.<\/span><\/p>\n<h3><span>Laine de verre &#8211; Conductivit\u00e9 thermique<\/span><\/h3>\n<p><span>La conductivit\u00e9 thermique de la laine de verre est de\u00a0<\/span><strong><span>0,03\u00a0<\/span><\/strong><strong><span>W\/(m\u00b7K)<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<p><span>Les caract\u00e9ristiques de transfert de chaleur d&rsquo;un mat\u00e9riau solide sont mesur\u00e9es par une propri\u00e9t\u00e9 appel\u00e9e la\u00a0\u00a0<\/span><strong><span>conductivit\u00e9 thermique<\/span><\/strong><span>\u00a0, k (ou \u03bb), mesur\u00e9e en\u00a0\u00a0<\/span><strong><span>W\/mK<\/span><\/strong><span>\u00a0.\u00a0C&rsquo;est une mesure de la capacit\u00e9 d&rsquo;une substance \u00e0 transf\u00e9rer de la chaleur \u00e0 travers un mat\u00e9riau par\u00a0\u00a0<\/span><a href=\"https:\/\/www.thermal-engineering.org\/what-is-thermal-conduction-heat-conduction-definition\/\"><span>conduction<\/span><\/a><span>\u00a0.\u00a0Notez que\u00a0\u00a0<\/span><a href=\"https:\/\/www.thermal-engineering.org\/what-is-fouriers-law-of-thermal-conduction-definition\/\"><strong><span>la loi de Fourier<\/span><\/strong><\/a><span>\u00a0\u00a0s&rsquo;applique \u00e0 toute mati\u00e8re, quel que soit son \u00e9tat (solide, liquide ou gazeux), par cons\u00e9quent, elle est \u00e9galement d\u00e9finie pour les liquides et les gaz.<\/span><\/p>\n<p><span>La\u00a0\u00a0<\/span><a href=\"https:\/\/www.thermal-engineering.org\/what-is-thermal-conductivity-definition\/\"><strong><span>conductivit\u00e9 thermique<\/span><\/strong><\/a><span>\u00a0\u00a0de la plupart des liquides et des solides varie avec la temp\u00e9rature.\u00a0Pour les vapeurs, cela d\u00e9pend aussi de la pression.\u00a0En g\u00e9n\u00e9ral:<\/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-88791\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/thermal-conductivity-definition.png\" alt=\"conductivit\u00e9 thermique - d\u00e9finition\" width=\"225\" height=\"75\" \/><\/a><\/p>\n<p><span>La plupart des mat\u00e9riaux sont presque homog\u00e8nes, nous pouvons donc g\u00e9n\u00e9ralement \u00e9crire\u00a0\u00a0<\/span><strong><em><span>k = k (T)<\/span><\/em><\/strong><span>\u00a0.\u00a0Des d\u00e9finitions similaires sont associ\u00e9es aux conductivit\u00e9s thermiques dans les directions y et z (ky, kz), mais pour un mat\u00e9riau isotrope, la conductivit\u00e9 thermique est ind\u00e9pendante de la direction de transfert, kx = ky = kz = k.<\/span><\/p>\n<h3><span>Laine de verre &#8211; Chaleur sp\u00e9cifique<\/span><\/h3>\n<p><strong><span>La chaleur sp\u00e9cifique de la laine de verre est de 840\u00a0<\/span><\/strong><strong><span>\u00a0J\/g K<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<p><strong><span>La chaleur sp\u00e9cifique, ou capacit\u00e9 thermique sp\u00e9cifique,\u00a0<\/span><\/strong><span>\u00a0est une propri\u00e9t\u00e9 li\u00e9e \u00e0\u00a0<strong><a href=\"https:\/\/www.thermal-engineering.org\/what-is-internal-energy-thermal-energy-definition\/\">l&rsquo;\u00e9nergie interne<\/a><\/strong>\u00a0\u00a0tr\u00e8s importante en thermodynamique.\u00a0Les\u00a0\u00a0<strong>propri\u00e9t\u00e9s intensives\u00a0\u00a0<\/strong><strong><em>c\u00a0<\/em><\/strong><strong><em><sub>v<\/sub><\/em><\/strong>\u00a0\u00a0et\u00a0\u00a0<strong><em>c\u00a0<\/em><\/strong><strong><em><sub>p<\/sub><\/em><\/strong>\u00a0\u00a0sont d\u00e9finies pour des substances compressibles pures et simples comme des d\u00e9riv\u00e9es partielles de l&rsquo;\u00a0\u00a0<strong>\u00e9nergie interne\u00a0\u00a0<\/strong><strong><em>u(T, v)<\/em><\/strong>\u00a0\u00a0et de\u00a0 l&rsquo;\u00a0<strong>enthalpie\u00a0\u00a0<\/strong><strong><em>h(T, p)<\/em><\/strong>\u00a0, respectivement\u00a0:<\/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-87687\" 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>o\u00f9 les indices\u00a0\u00a0<\/span><strong><span>v<\/span><\/strong><span>\u00a0\u00a0et\u00a0\u00a0<\/span><strong><span>p<\/span><\/strong><span>\u00a0\u00a0d\u00e9signent les variables maintenues fixes lors de la diff\u00e9renciation.\u00a0Les propri\u00e9t\u00e9s\u00a0\u00a0<\/span><strong><span>c\u00a0<\/span><sub><span>v<\/span><\/sub>\u00a0<\/strong><span>\u00a0et\u00a0\u00a0<\/span><strong><span>c\u00a0<\/span><sub><span>p<\/span><\/sub><\/strong><span>\u00a0\u00a0sont appel\u00e9es\u00a0\u00a0<\/span><strong><span>chaleurs sp\u00e9cifiques\u00a0<\/span><\/strong><span>\u00a0(ou\u00a0\u00a0<\/span><strong><span>capacit\u00e9s calorifiques<\/span><\/strong><span>\u00a0) car, dans certaines conditions particuli\u00e8res, elles relient le changement de temp\u00e9rature d&rsquo;un syst\u00e8me \u00e0 la quantit\u00e9 d&rsquo;\u00e9nergie ajout\u00e9e par transfert de chaleur.\u00a0Leurs unit\u00e9s SI sont\u00a0\u00a0<\/span><strong><span>J\/kg K<\/span><\/strong><span>\u00a0\u00a0ou\u00a0\u00a0<\/span><strong><span>J\/mol K<\/span><\/strong><span>\u00a0.<\/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>Point de fusion des mat\u00e9riaux<\/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=\"Tableau des mat\u00e9riaux - Point de fusion\" 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>Conductivit\u00e9 thermique des mat\u00e9riaux<\/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=\"Tableau des mat\u00e9riaux - Conductivit\u00e9 thermique\" 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>Capacit\u00e9 calorifique des mat\u00e9riaux<\/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=\"Tableau des mat\u00e9riaux - Capacit\u00e9 calorifique\" 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>Propri\u00e9t\u00e9s et prix des autres mat\u00e9riaux<\/span><\/h2>\n<p><span>table-de-mat\u00e9riaux-en-r\u00e9solution-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","protected":false},"excerpt":{"rendered":"<p>\u00c0 propos de la laine de verre La laine de verre (\u00e9galement connue \u00e0 l&rsquo;origine sous le nom de fibre de verre) est un mat\u00e9riau isolant fabriqu\u00e9 \u00e0 partir de fibres de verre dispos\u00e9es \u00e0 l&rsquo;aide d&rsquo;un liant dans une texture similaire \u00e0 la laine.\u00a0La laine de verre et la laine de roche sont produites &#8230; <a title=\"Laine de verre &#8211; Tableau des mat\u00e9riaux &#8211; Applications &#8211; Prix\" class=\"read-more\" href=\"https:\/\/material-properties.org\/fr\/laine-de-verre-tableau-des-materiaux-applications-prix\/\">Read more<\/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>Laine de verre | Propri\u00e9t\u00e9s, Prix &amp; Application | Propri\u00e9t\u00e9s mat\u00e9rielles<\/title>\n<meta name=\"description\" content=\"La laine de verre (\u00e9galement connue \u00e0 l&#039;origine sous le nom de fibre de verre) est un mat\u00e9riau isolant fabriqu\u00e9 \u00e0 partir de fibres de verre dispos\u00e9es \u00e0 l&#039;aide d&#039;un liant dans une texture similaire \u00e0 la laine.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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