{"id":114477,"date":"2022-02-07T13:52:43","date_gmt":"2022-02-07T12:52:43","guid":{"rendered":"https:\/\/material-properties.org\/chrome-et-tungstene-comparaison-proprietes\/"},"modified":"2022-03-23T11:42:48","modified_gmt":"2022-03-23T10:42:48","slug":"chrome-et-tungstene-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/chrome-et-tungstene-comparaison-proprietes\/","title":{"rendered":"Chrome et Tungst\u00e8ne &#8211; Comparaison &#8211; Propri\u00e9t\u00e9s"},"content":{"rendered":"<p><em>Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du chrome et du tungst\u00e8ne, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Chrome vs Tungst\u00e8ne.<\/em><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-106982\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/chromium-and-tungsten-comparison.png\" alt=\"chrome et tungst\u00e8ne - comparaison\" width=\"1000\" height=\"900\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/chromium-and-tungsten-comparison.png 1000w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/chromium-and-tungsten-comparison-300x270.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/chromium-and-tungsten-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>Comparer le chrome avec un autre \u00e9l\u00e9ment<\/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=\"Comparer avec Cuivre\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Copper-properties-price-application-production-150x150.png\" alt=\"Cuivre - Propri\u00e9t\u00e9s - Prix - Applications - Production\" 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=\"Comparer avec Fer\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Iron-properties-price-application-production-150x150.png\" alt=\"Fer - Propri\u00e9t\u00e9s - Prix - Applications - Production\" 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=\"Comparer avec le zinc\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Zinc-properties-price-application-production-150x150.png\" alt=\"Zinc - Propri\u00e9t\u00e9s - Prix - Applications - Production\" 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=\"Comparer avec Mangan\u00e8se\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Manganese-properties-price-application-production-150x150.png\" alt=\"Mangan\u00e8se - Propri\u00e9t\u00e9s - Prix - Applications - Production\" 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=\"Comparer avec Molybd\u00e8ne\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Molybdenum-properties-price-application-production-150x150.png\" alt=\"Molybd\u00e8ne - Propri\u00e9t\u00e9s - Prix - Applications - Production\" 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=\"Comparer avec le tungst\u00e8ne\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Tungsten-properties-price-application-production-150x150.png\" alt=\"Tungst\u00e8ne - Propri\u00e9t\u00e9s - Prix - Applications - Production\" 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>Comparer le tungst\u00e8ne avec un autre \u00e9l\u00e9ment<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div>\n<p><a href=\"https:\/\/material-properties.org\/Titanium-and-Tungsten-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec le titane\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Titanium-properties-price-application-production-150x150.png\" alt=\"Titane - Propri\u00e9t\u00e9s - Prix - Applications - Production\" 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=\"Comparer avec Chrome\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Chromium-properties-price-application-production-150x150.png\" alt=\"Chrome - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Cobalt-and-Tungsten-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Cobalt\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Cobalt-properties-price-application-production-150x150.png\" alt=\"Cobalt - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Zirconium-and-Tungsten-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec le zirconium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Zirconium-properties-price-application-production-150x150.png\" alt=\"Zirconium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Molybdenum-and-Tungsten-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Molybd\u00e8ne\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Molybdenum-properties-price-application-production-150x150.png\" alt=\"Molybd\u00e8ne - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Tungsten-and-Platinum-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Platine\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Platinum-properties-price-application-production-150x150.png\" alt=\"Platine - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Tungsten-and-Rhenium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec le rh\u00e9nium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Rhenium-properties-price-application-production-150x150.png\" alt=\"Rh\u00e9nium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Tungsten-and-Gold-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec l'or\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Gold-properties-price-application-production-150x150.png\" alt=\"Or - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Tungsten-and-Iridium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Iridium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Iridium-properties-price-application-production-150x150.png\" alt=\"Iridium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" 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>Chrome et Tungst\u00e8ne &#8211; \u00c0 propos des \u00e9l\u00e9ments<\/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:#333333\"><div class=\"sue-icon-text-icon\" style=\"color:#5dbcd2;font-size:48px;width:48px;height:48px\"><img src=\"icon : cercle d'informations\" style=\"width:48px\" alt=\"\" \/><\/div><div class=\"sue-icon-text-content sue-content-wrap\" style=\"color:#333333\">\n<h3>Chrome<\/h3>\n<p>Le chrome est un m\u00e9tal gris acier, brillant, dur et cassant qui prend un poli \u00e9lev\u00e9, r\u00e9siste au ternissement et a un point de fusion \u00e9lev\u00e9.\u00a0Un d\u00e9veloppement majeur a \u00e9t\u00e9 la d\u00e9couverte que l&rsquo;acier pouvait \u00eatre rendu hautement r\u00e9sistant \u00e0 la corrosion et \u00e0 la d\u00e9coloration en ajoutant du chrome m\u00e9tallique pour former de l&rsquo;acier inoxydable.<br \/>\n<\/p><\/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\/tungsten-properties-applications-price-production\/\" data-target=\"self\" style=\"min-height:58px;padding-left:72px;color:#333333\"><div class=\"sue-icon-text-icon\" style=\"color:#5dbcd2;font-size:48px;width:48px;height:48px\"><img src=\"icon : cercle d'informations\" style=\"width:48px\" alt=\"\" \/><\/div><div class=\"sue-icon-text-content sue-content-wrap\" style=\"color:#333333\">\n<h3>Tungst\u00e8ne<\/h3>\n<p>Le tungst\u00e8ne est un m\u00e9tal rare pr\u00e9sent naturellement sur Terre presque exclusivement dans des compos\u00e9s chimiques.\u00a0Le tungst\u00e8ne est un mat\u00e9riau intrins\u00e8quement cassant et dur, ce qui le rend difficile \u00e0 travailler.<\/p>\n<\/div><div style=\"clear:both;height:0\"><\/div><\/div>\n<\/div><\/div>\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-92359\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Chromium-periodic-table-300x269.png\" alt=\"Chrome dans le tableau p\u00e9riodique\" 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<\/div><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-92539\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Tungsten-periodic-table-284x300.png\" alt=\"Tungst\u00e8ne dans le tableau p\u00e9riodique\" width=\"284\" height=\"300\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Tungsten-periodic-table-284x300.png 284w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Tungsten-periodic-table.png 679w\" sizes=\"(max-width: 284px) 100vw, 284px\" \/><\/p>\n<p style=\"text-align: left;\"><\/p><\/div><\/div>\n<p style=\"text-align: center;\">Source : www.luciteria.com<\/p>\n<div class=\"su-spacer\" style=\"height:20px\"><\/div>\n<div class=\"su-heading su-heading-style-modern-1-dark su-heading-align-left\" id=\"\" style=\"font-size:13px;margin-bottom:20px\"><div class=\"su-heading-inner\">\n<h2>Chrome et Tungst\u00e8ne &#8211; Applications<\/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\/\">Chrome<\/a><\/h3>\n<p>Le chrome est l&rsquo;un des m\u00e9taux industriels les plus importants et indispensables en raison de sa duret\u00e9 et de sa r\u00e9sistance \u00e0 la corrosion.\u00a0Mais il est utilis\u00e9 pour plus que la production d&rsquo;acier inoxydable et d&rsquo;alliages non ferreux ;\u00a0il est \u00e9galement utilis\u00e9 pour cr\u00e9er des pigments et des produits chimiques utilis\u00e9s pour traiter le cuir.\u00a0En m\u00e9tallurgie, le chrome augmente la duret\u00e9, la r\u00e9sistance et la r\u00e9sistance \u00e0 la corrosion.\u00a0L&rsquo;effet de renforcement de la formation de carbures m\u00e9talliques stables aux joints de grains et la forte augmentation de la r\u00e9sistance \u00e0 la corrosion ont fait du chrome un mat\u00e9riau d&rsquo;alliage important pour l&rsquo;acier.\u00a0De mani\u00e8re g\u00e9n\u00e9rale, la concentration sp\u00e9cifi\u00e9e pour la plupart des grades est d&rsquo;environ 4 %.\u00a0Ce niveau semble donner le meilleur \u00e9quilibre entre duret\u00e9 et t\u00e9nacit\u00e9.\u00a0Le chrome joue un r\u00f4le important dans le m\u00e9canisme de durcissement et est consid\u00e9r\u00e9 comme irrempla\u00e7able.\u00a0A des temp\u00e9ratures plus \u00e9lev\u00e9es,\u00a0le chrome contribue \u00e0 une r\u00e9sistance accrue.\u00a0Il est habituellement utilis\u00e9 pour des applications de cette nature en conjonction avec du molybd\u00e8ne.\u00a0La r\u00e9sistance des aciers inoxydables est bas\u00e9e sur la passivation.\u00a0Pour que la passivation se produise et reste stable, l&rsquo;alliage Fe-Cr doit avoir une teneur minimale en chrome d&rsquo;environ 11 % en poids, au-dessus de laquelle la passivation peut se produire et en dessous de laquelle elle est impossible.<\/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\/tungsten-properties-applications-price-production\/\">Tungst\u00e8ne<\/a><\/h3>\n<p>Le tungst\u00e8ne est un m\u00e9tal largement utilis\u00e9.\u00a0Environ la moiti\u00e9 du tungst\u00e8ne est consomm\u00e9e pour la production de mat\u00e9riaux durs &#8211; \u00e0 savoir le carbure de tungst\u00e8ne &#8211; le reste \u00e9tant principalement utilis\u00e9 dans les alliages et les aciers.\u00a0L&rsquo;exploitation mini\u00e8re et le traitement des min\u00e9raux exigent des machines et des composants r\u00e9sistants \u00e0 l&rsquo;usure, car les \u00e9nergies et les masses des corps en interaction sont importantes.\u00a0Pour cela, les mat\u00e9riaux les plus r\u00e9sistants \u00e0 l&rsquo;usure doivent \u00eatre utilis\u00e9s.\u00a0Par exemple, le carbure de tungst\u00e8ne est largement utilis\u00e9 dans l&rsquo;exploitation mini\u00e8re dans les tr\u00e9pans de forage \u00e0 marteau sup\u00e9rieur, les marteaux de fond de trou, les couteaux \u00e0 rouleau, les ciseaux de charrue \u00e0 longue paroi, les pics de cisaillement \u00e0 longue paroi, les al\u00e9soirs de forage ascendant et les tunneliers.\u00a0Les 40 % restants sont g\u00e9n\u00e9ralement utilis\u00e9s pour fabriquer divers alliages et aciers sp\u00e9ciaux, des \u00e9lectrodes, des filaments, des fils, ainsi que divers composants pour des applications \u00e9lectriques, \u00e9lectroniques, de chauffage, d&rsquo;\u00e9clairage et de soudage.<\/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>Chrome et Tungst\u00e8ne &#8211; Comparaison dans le tableau<\/h2>\n<\/div><\/div>\n<div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<table class=\"a\">\n<tbody>\n<tr class=\"b\">\n<td style=\"text-align: center;\">\u00c9l\u00e9ment<\/td>\n<td style=\"text-align: center;\"><b>Chrome<\/b><\/td>\n<td style=\"text-align: center;\"><b>Tungst\u00e8ne<\/b><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Densit\u00e9<\/td>\n<td style=\"text-align: center;\"><strong>7,14 g\/cm3<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>19,25 g\/cm3<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">R\u00e9sistance \u00e0 la traction ultime<\/td>\n<td style=\"text-align: center;\"><strong>550 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>982 MPa<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Limite d&rsquo;\u00e9lasticit\u00e9<\/td>\n<td style=\"text-align: center;\"><strong>131 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>750 MPa<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Module de Young<\/td>\n<td style=\"text-align: center;\"><strong>279 GPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>411 GPa<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">\u00c9chelle de Mohs<\/td>\n<td style=\"text-align: center;\"><strong>8,5<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>7,5<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Duret\u00e9 Brinell<\/td>\n<td style=\"text-align: center;\"><strong>1120 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>3000 MPa<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Duret\u00e9 Vickers<\/td>\n<td style=\"text-align: center;\"><strong>1060 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>3500 MPa<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Point de fusion<\/td>\n<td style=\"text-align: center;\"><strong>1907 \u00b0C<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>3410\u00b0C<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Point d&rsquo;\u00e9bullition<\/td>\n<td style=\"text-align: center;\"><strong>2671\u00b0C<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>59300\u00b0C<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Conductivit\u00e9 thermique<\/td>\n<td style=\"text-align: center;\"><strong>93,7 W\/mK<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>170 W\/mK<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Coefficient de dilatation thermique<\/td>\n<td style=\"text-align: center;\"><strong>4,9 \u00b5m\/mK<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>4,5 \u00b5m\/mK<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Chaleur sp\u00e9cifique<\/td>\n<td style=\"text-align: center;\"><strong><span style=\"text-align: start;\">0,45 J\/g\u00b7K<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong>0,13 J\/g\u00b7K<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Temp\u00e9rature de fusion<\/td>\n<td style=\"text-align: center;\"><strong>16,9 kJ\/mole<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>35,4 kJ\/mole<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Chaleur de vaporisation<\/td>\n<td style=\"text-align: center;\"><strong><span style=\"text-align: start;\">344,3\u00a0kJ\/mole<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong>824 kJ\/mol<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du chrome et du tungst\u00e8ne, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Chrome vs Tungst\u00e8ne. Source : www.luciteria.com<\/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>Chrome et Tungst\u00e8ne - Comparaison - Propri\u00e9t\u00e9s - Material Properties<\/title>\n<meta name=\"description\" content=\"Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du chrome et du tungst\u00e8ne, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments. 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