{"id":115462,"date":"2022-04-24T12:30:32","date_gmt":"2022-04-24T11:30:32","guid":{"rendered":"https:\/\/material-properties.org\/beryllium-et-aluminium-comparaison-proprietes\/"},"modified":"2022-04-25T10:14:21","modified_gmt":"2022-04-25T09:14:21","slug":"beryllium-et-aluminium-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/beryllium-et-aluminium-comparaison-proprietes\/","title":{"rendered":"B\u00e9ryllium et Aluminium &#8211; Comparaison &#8211; Propri\u00e9t\u00e9s"},"content":{"rendered":"<p><em>Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du b\u00e9ryllium et de l&rsquo;aluminium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0B\u00e9ryllium contre Aluminium.<\/em><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-105444\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/12\/beryllium-and-aluminium-comparison.png\" alt=\"b\u00e9ryllium et aluminium - comparaison\" width=\"1000\" height=\"900\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/12\/beryllium-and-aluminium-comparison.png 1000w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/12\/beryllium-and-aluminium-comparison-300x270.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/12\/beryllium-and-aluminium-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 b\u00e9ryllium 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\/beryllium-and-oxygen-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Oxyg\u00e8ne\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Oxygen-properties-price-application-production-150x150.png\" alt=\"Oxyg\u00e8ne - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/beryllium-and-aluminium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec l'aluminium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Aluminium-properties-price-application-production-150x150.png\" alt=\"Aluminium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/beryllium-and-nitrogen-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec l'azote\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Nitrogen-properties-price-application-production-150x150.png\" alt=\"Azote - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/beryllium-and-magnesium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Magn\u00e9sium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Magnesium-properties-price-application-production-150x150.png\" alt=\"Magn\u00e9sium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/beryllium-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\/beryllium-and-chlorine-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec le chlore\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Chlorine-properties-price-application-production-150x150.png\" alt=\"Chlore - 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 l'aluminium 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\/Hydrogen-and-Aluminium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Hydrog\u00e8ne\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Hydrogen-properties-price-application-production-150x150.png\" alt=\"Hydrog\u00e8ne - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Lithium-and-Aluminium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Lithium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Lithium-properties-price-application-production-150x150.png\" alt=\"Lithium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Beryllium-and-Aluminium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec B\u00e9ryllium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Beryllium-properties-price-application-production-150x150.png\" alt=\"B\u00e9ryllium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Carbon-and-Aluminium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Carbone\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Carbon-properties-price-application-production-150x150.png\" alt=\"Carbone - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Oxygen-and-Aluminium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Oxyg\u00e8ne\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Oxygen-properties-price-application-production-150x150.png\" alt=\"Oxyg\u00e8ne - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Fluorine-and-Aluminium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec le fluor\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Fluorine-properties-price-application-production-150x150.png\" alt=\"Fluor - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Sodium-and-Aluminium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec le sodium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Sodium-properties-price-application-production-150x150.png\" alt=\"Sodium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Magnesium-and-Aluminium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Magn\u00e9sium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Magnesium-properties-price-application-production-150x150.png\" alt=\"Magn\u00e9sium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Aluminium-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\/Aluminium-and-Mercury-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Mercure\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Mercury-properties-price-application-production-150x150.png\" alt=\"Mercure - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Aluminium-and-Potassium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Potassium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Potassium-properties-price-application-production-150x150.png\" alt=\"Potassium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Aluminium-and-Silicon-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec le silicium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Silicon-properties-price-application-production-150x150.png\" alt=\"Silicium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Aluminium-and-Chlorine-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec le chlore\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Chlorine-properties-price-application-production-150x150.png\" alt=\"Chlore - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Aluminium-and-Titanium-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\/Aluminium-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\/Aluminium-and-Gallium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Gallium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Gallium-properties-price-application-production-150x150.png\" alt=\"Gallium - 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>B\u00e9ryllium et Aluminium &#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\/beryllium-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>B\u00e9ryllium<\/h3>\n<p>Le b\u00e9ryllium est un m\u00e9tal dur et gris\u00e2tre naturellement pr\u00e9sent dans les roches min\u00e9rales, le charbon, le sol et la poussi\u00e8re volcanique.\u00a0L&rsquo;utilisation commerciale du b\u00e9ryllium n\u00e9cessite l&rsquo;utilisation d&rsquo;un \u00e9quipement de contr\u00f4le de la poussi\u00e8re appropri\u00e9 et de contr\u00f4les industriels en tout temps en raison de la toxicit\u00e9 des poussi\u00e8res contenant du b\u00e9ryllium inhal\u00e9es qui peuvent provoquer une maladie allergique chronique potentiellement mortelle chez certaines personnes appel\u00e9e b\u00e9rylliose.\u00a0Le b\u00e9ryllium a une grande section efficace de diffusion pour les neutrons de haute \u00e9nergie, environ 6 granges pour les \u00e9nergies sup\u00e9rieures \u00e0 environ 10 keV.\u00a0Par cons\u00e9quent, il fonctionne comme un r\u00e9flecteur de neutrons et un mod\u00e9rateur de neutrons, ralentissant efficacement les neutrons \u00e0 l&rsquo;\u00e9nergie thermique.\u00a0\u00c9tant donn\u00e9 que le b\u00e9rylium a une \u00e9nergie de seuil tr\u00e8s faible pour l&rsquo;\u00e9mission de neutrons, il peut \u00eatre utilis\u00e9 comme source de neutrons dans les r\u00e9acteurs nucl\u00e9aires.\u00a0La source Sb-Be est bas\u00e9e sur la r\u00e9action (\u03b3,n) (c&rsquo;est-\u00e0-dire qu&rsquo;elle \u00e9met des photoneutrons).<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\/aluminium-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>Aluminium<\/h3>\n<p>L&rsquo;aluminium est un m\u00e9tal blanc argent\u00e9, doux, non magn\u00e9tique et ductile du groupe du bore.\u00a0En masse, l&rsquo;aluminium repr\u00e9sente environ 8 % de la cro\u00fbte terrestre ;\u00a0c&rsquo;est le troisi\u00e8me \u00e9l\u00e9ment le plus abondant apr\u00e8s l&rsquo;oxyg\u00e8ne et le silicium et le m\u00e9tal le plus abondant dans la cro\u00fbte, bien qu&rsquo;il soit moins courant dans le manteau ci-dessous.<br \/>\n<\/p><\/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-92269\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Beryllium-periodic-table-300x224.png\" alt=\"B\u00e9ryllium dans le tableau p\u00e9riodique\" width=\"300\" height=\"224\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Beryllium-periodic-table-300x224.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Beryllium-periodic-table-768x574.png 768w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Beryllium-periodic-table.png 854w\" 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-92249\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Aluminium-periodic-table-291x300.png\" alt=\"Aluminium dans le tableau p\u00e9riodique\" width=\"291\" height=\"300\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Aluminium-periodic-table-291x300.png 291w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Aluminium-periodic-table.png 649w\" sizes=\"(max-width: 291px) 100vw, 291px\" \/><\/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>B\u00e9ryllium et Aluminium &#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\/beryllium-properties-applications-price-production\/\">B\u00e9ryllium<\/a><\/h3>\n<p>Le b\u00e9rylium peut \u00eatre utilis\u00e9 comme agent d&rsquo;alliage dans la production de b\u00e9ryllium-cuivre, les diagnostics de d\u00e9tection par rayons X, la fabrication de p\u00e9riph\u00e9riques informatiques, dans les r\u00e9acteurs nucl\u00e9aires comme mod\u00e9rateurs et r\u00e9flecteurs de neutrons.\u00a080% du b\u00e9ryllium utilis\u00e9 va dans les alliages cuivre b\u00e9ryllium.\u00a0La combinaison d&rsquo;un poids l\u00e9ger et d&rsquo;une r\u00e9sistance \u00e9lev\u00e9e \u00e0 des temp\u00e9ratures extr\u00eames rend les alliages de b\u00e9ryllium m\u00e9tal et aluminium b\u00e9ryllium id\u00e9aux pour une utilisation dans des applications a\u00e9rospatiales hautes performances telles que les composants de fus\u00e9es.\u00a0La transparence aux rayons X rend le m\u00e9tal b\u00e9ryllium pur essentiel dans les \u00e9quipements de s\u00e9curit\u00e9 et les technologies d&rsquo;imagerie m\u00e9dicale \u00e0 haute r\u00e9solution, telles que la mammographie pour d\u00e9tecter le cancer du sein.\u00a0Le cuivre au b\u00e9ryllium est le plus dur et le plus r\u00e9sistant de tous les alliages de cuivre (UTS jusqu&rsquo;\u00e0 1 400 MPa), \u00e0 l&rsquo;\u00e9tat enti\u00e8rement trait\u00e9 thermiquement et travaill\u00e9 \u00e0 froid.<\/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\/aluminium-properties-applications-price-production\/\">Aluminium<\/a><\/h3>\n<p>L&rsquo;aluminium et ses alliages sont largement utilis\u00e9s dans les applications a\u00e9rospatiales, automobiles, architecturales, lithographiques, d&#8217;emballage, \u00e9lectriques et \u00e9lectroniques.\u00a0C&rsquo;est le principal mat\u00e9riau de construction de l&rsquo;industrie a\u00e9ronautique tout au long de son histoire.\u00a0Environ 70% des cellules des avions civils commerciaux sont fabriqu\u00e9es \u00e0 partir d&rsquo;alliages d&rsquo;aluminium, et sans aluminium, l&rsquo;aviation civile ne serait pas \u00e9conomiquement viable.\u00a0L&rsquo;industrie automobile utilise d\u00e9sormais l&rsquo;aluminium comme pi\u00e8ces moul\u00e9es de moteur, roues, radiateurs et de plus en plus comme pi\u00e8ces de carrosserie.\u00a0L&rsquo;aluminium 6111 et l&rsquo;alliage d&rsquo;aluminium 2008 sont largement utilis\u00e9s pour les panneaux ext\u00e9rieurs de carrosserie automobile.\u00a0Les blocs-cylindres et les carters sont souvent coul\u00e9s en alliages d&rsquo;aluminium.<\/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>B\u00e9ryllium et Aluminium &#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;\"><strong>B\u00e9ryllium<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>Aluminium<\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Densit\u00e9<\/td>\n<td style=\"text-align: center;\"><strong>1,848g\/cm3<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>2,7\/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>345 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>90 MPa (pur), 600 MPa (alliages)<\/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>N \/ A<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>11 MPa (pur), 400 MPa (alliages)<\/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>287 GPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>70 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>5,5<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>2,8<\/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>600 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>240 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>1670 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>167 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>1278\u00a0\u00b0C<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>660 \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>2469 \u00b0C<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>2467 \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>200W\/mK<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>237 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>11,3 \u00b5m\/mK<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>23,1 \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;\">1,82 J\/g\u00b7K<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong>0,9 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><span style=\"text-align: start;\">12,2 kJ\/mol<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong>10,79 kJ\/mol<\/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;\">292,4 kJ\/mol<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong>293,4 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 b\u00e9ryllium et de l&rsquo;aluminium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0B\u00e9ryllium contre Aluminium. 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>B\u00e9ryllium et Aluminium - 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 b\u00e9ryllium et de l&#039;aluminium, 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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