{"id":114484,"date":"2022-02-07T17:49:04","date_gmt":"2022-02-07T16:49:04","guid":{"rendered":"https:\/\/material-properties.org\/titane-et-uranium-comparaison-proprietes\/"},"modified":"2022-03-24T08:58:26","modified_gmt":"2022-03-24T07:58:26","slug":"titane-et-uranium-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/titane-et-uranium-comparaison-proprietes\/","title":{"rendered":"Titane et Uranium &#8211; Comparaison &#8211; Propri\u00e9t\u00e9s"},"content":{"rendered":"<p><em>Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du titane et de l&rsquo;uranium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Titane contre Uranium.<\/em><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-106916\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/titanium-and-uranium-comparison.png\" alt=\"titane et uranium - comparaison\" width=\"1000\" height=\"900\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/titanium-and-uranium-comparison.png 1000w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/titanium-and-uranium-comparison-300x270.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/titanium-and-uranium-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 titane 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\/Aluminium-and-Titanium-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\/Titanium-and-Vanadium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Vanadium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Vanadium-properties-price-application-production-150x150.png\" alt=\"Vanadium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Titanium-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<p><a href=\"https:\/\/material-properties.org\/Titanium-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\/Titanium-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\/Titanium-and-Zirconium-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\/Titanium-and-Niobium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Niobium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Niobium-properties-price-application-production-150x150.png\" alt=\"Niobium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Titanium-and-Tantalum-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec le tantale\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Tantalum-properties-price-application-production-150x150.png\" alt=\"Tantale - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Titanium-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\/Titanium-and-Uranium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec l'uranium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Uranium-properties-price-application-production-150x150.png\" alt=\"Uranium - 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'uranium 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-Uranium-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\/Zirconium-and-Uranium-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\/Thorium-and-Uranium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Thorium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Thorium-properties-price-application-production-150x150.png\" alt=\"Thorium - 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>Titane et Uranium &#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\/titanium-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>Titane<\/h3>\n<p>Le titane est un m\u00e9tal de transition brillant avec une couleur argent\u00e9e, une faible densit\u00e9 et une r\u00e9sistance \u00e9lev\u00e9e.\u00a0Le titane est r\u00e9sistant \u00e0 la corrosion dans l&rsquo;eau de mer, l&rsquo;eau r\u00e9gale et le chlore.\u00a0Le titane peut \u00eatre utilis\u00e9 dans les condenseurs de surface.\u00a0Ces condenseurs utilisent des tubes g\u00e9n\u00e9ralement en acier inoxydable, en alliages de cuivre ou en titane selon plusieurs crit\u00e8res de s\u00e9lection (comme la conductivit\u00e9 thermique ou la r\u00e9sistance \u00e0 la corrosion).\u00a0Les tubes de condenseur en titane sont g\u00e9n\u00e9ralement le meilleur choix technique, mais le titane est un mat\u00e9riau tr\u00e8s co\u00fbteux et l&rsquo;utilisation de tubes de condenseur en titane est associ\u00e9e \u00e0 des co\u00fbts initiaux tr\u00e8s \u00e9lev\u00e9s.<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\/uranium-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>Uranium<\/h3>\n<p>L&rsquo;uranium est un m\u00e9tal blanc argent\u00e9 de la s\u00e9rie des actinides du tableau p\u00e9riodique.\u00a0L&rsquo;uranium est faiblement radioactif car tous les isotopes de l&rsquo;uranium sont instables, avec des demi-vies variant entre 159 200 ans et 4,5 milliards d&rsquo;ann\u00e9es.\u00a0L&rsquo;uranium a le poids atomique le plus \u00e9lev\u00e9 des \u00e9l\u00e9ments primordiaux.\u00a0Sa densit\u00e9 est environ 70 % sup\u00e9rieure \u00e0 celle du plomb et l\u00e9g\u00e8rement inf\u00e9rieure \u00e0 celle de l&rsquo;or ou du tungst\u00e8ne.\u00a0L&rsquo;uranium se trouve g\u00e9n\u00e9ralement \u00e0 de faibles niveaux (quelques ppm &#8211; parties par million) dans toutes les roches, le sol, l&rsquo;eau, les plantes et les animaux (y compris les humains).\u00a0L&rsquo;uranium est \u00e9galement pr\u00e9sent dans l&rsquo;eau de mer et peut \u00eatre r\u00e9cup\u00e9r\u00e9 \u00e0 partir de l&rsquo;eau de mer.\u00a0Des concentrations importantes d&rsquo;uranium se produisent dans certaines substances telles que l&rsquo;uraninite (le minerai d&rsquo;uranium le plus courant), les gisements de roches phosphat\u00e9es et d&rsquo;autres min\u00e9raux.<\/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-92534\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Titanium-periodic-table-281x300.png\" alt=\"Titane dans le tableau p\u00e9riodique\" width=\"281\" height=\"300\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Titanium-periodic-table-281x300.png 281w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Titanium-periodic-table.png 561w\" sizes=\"(max-width: 281px) 100vw, 281px\" \/><\/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-92544\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Uranium-periodic-table-300x234.png\" alt=\"Uranium dans le tableau p\u00e9riodique\" width=\"300\" height=\"234\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Uranium-periodic-table-300x234.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Uranium-periodic-table.png 642w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/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>Titane et Uranium &#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\/titanium-properties-applications-price-production\/\">Titane<\/a><\/h3>\n<p>Les deux propri\u00e9t\u00e9s les plus utiles du m\u00e9tal sont la r\u00e9sistance \u00e0 la corrosion et le rapport r\u00e9sistance\/densit\u00e9, le plus \u00e9lev\u00e9 de tous les \u00e9l\u00e9ments m\u00e9talliques.\u00a0La r\u00e9sistance \u00e0 la corrosion des alliages de titane \u00e0 des temp\u00e9ratures normales est exceptionnellement \u00e9lev\u00e9e.\u00a0Ces propri\u00e9t\u00e9s d\u00e9terminent l&rsquo;application du titane et de ses alliages.\u00a0La premi\u00e8re application de production de titane remonte \u00e0 1952, pour les nacelles et les pare-feu de l&rsquo;avion de ligne Douglas DC-7.\u00a0Une r\u00e9sistance sp\u00e9cifique \u00e9lev\u00e9e, une bonne r\u00e9sistance \u00e0 la fatigue et une bonne dur\u00e9e de vie au fluage, ainsi qu&rsquo;une bonne t\u00e9nacit\u00e9 \u00e0 la rupture sont des caract\u00e9ristiques qui font du titane un m\u00e9tal pr\u00e9f\u00e9r\u00e9 pour les applications a\u00e9rospatiales.\u00a0Les applications a\u00e9rospatiales, y compris l&rsquo;utilisation dans les composants structurels (cellule) et les moteurs \u00e0 r\u00e9action, repr\u00e9sentent toujours la plus grande part de l&rsquo;utilisation des alliages de titane.\u00a0Sur l&rsquo;avion supersonique SR-71, le titane a \u00e9t\u00e9 utilis\u00e9 pour 85% de la structure.\u00a0Gr\u00e2ce \u00e0 une tr\u00e8s grande inertie,<\/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\/uranium-properties-applications-price-production\/\">Uranium<\/a><\/h3>\n<p>La principale utilisation de l&rsquo;uranium dans le secteur civil est l&rsquo;alimentation des centrales nucl\u00e9aires.\u00a0Un kilogramme d&rsquo;uranium 235 peut th\u00e9oriquement produire environ 20 t\u00e9rajoules d&rsquo;\u00e9nergie, en supposant une fission compl\u00e8te ;\u00a0autant d&rsquo;\u00e9nergie que 1,5 million de kilogrammes (1 500 tonnes) de charbon.\u00a0Un r\u00e9acteur typique peut contenir environ 100 tonnes d&rsquo;uranium enrichi (c&rsquo;est-\u00e0-dire environ 113 tonnes de dioxyde d&rsquo;uranium).\u00a0Ce combustible est charg\u00e9 dans, par exemple, 157 assemblages combustibles compos\u00e9s de plus de 45 000 crayons combustibles.\u00a0Un assemblage combustible commun contient de l&rsquo;\u00e9nergie pendant environ 4 ans de fonctionnement \u00e0 pleine puissance.\u00a0Le combustible retir\u00e9 (combustible nucl\u00e9aire us\u00e9) contient encore environ 96 % de mati\u00e8re valorisable (il doit \u00eatre retir\u00e9 en raison de la diminution du kinf d&rsquo;un assemblage).\u00a0Avant (et parfois apr\u00e8s) la d\u00e9couverte de la radioactivit\u00e9, l&rsquo;uranium \u00e9tait principalement utilis\u00e9 en petites quantit\u00e9s pour les \u00e9maux de verre et de poterie jaunes,\u00a0comme le verre d&rsquo;uranium.\u00a0L&rsquo;uranium est \u00e9galement utilis\u00e9 par l&rsquo;arm\u00e9e pour alimenter les sous-marins nucl\u00e9aires et dans les armes nucl\u00e9aires.\u00a0En raison de sa densit\u00e9 \u00e9lev\u00e9e, ce mat\u00e9riau se retrouve dans les syst\u00e8mes de guidage inertiel et dans les compas gyroscopiques.[10]\u00a0L&rsquo;uranium appauvri est pr\u00e9f\u00e9r\u00e9 aux m\u00e9taux de densit\u00e9 similaire en raison de sa capacit\u00e9 \u00e0 \u00eatre facilement usin\u00e9 et coul\u00e9 ainsi que de son co\u00fbt relativement faible.\u00a0Le principal risque d&rsquo;exposition \u00e0 l&rsquo;uranium appauvri est l&#8217;empoisonnement chimique par l&rsquo;oxyde d&rsquo;uranium plut\u00f4t que la radioactivit\u00e9 (l&rsquo;uranium n&rsquo;\u00e9tant qu&rsquo;un faible \u00e9metteur alpha).\u00a0L&rsquo;uranium appauvri est un uranium qui contient beaucoup moins d&rsquo;uranium 235 que l&rsquo;uranium naturel.\u00a0Il est consid\u00e9rablement moins radioactif que l&rsquo;uranium naturel.\u00a0C&rsquo;est un m\u00e9tal dense qui peut \u00eatre utilis\u00e9 comme lest pour les navires et comme contrepoids pour les avions.\u00a0Il est \u00e9galement utilis\u00e9 dans les munitions et les armures.\u00a0L&rsquo;uranium appauvri peut \u00e9galement \u00eatre utilis\u00e9 pour prot\u00e9ger des radiations.\u00a0L&rsquo;uranium appauvri est beaucoup plus efficace en raison de son Z plus \u00e9lev\u00e9. L&rsquo;uranium appauvri est utilis\u00e9 pour le blindage des sources portables de rayons gamma.\u00a0L&rsquo;uranium est utilis\u00e9 dans les aciers rapides comme agent d&rsquo;alliage pour am\u00e9liorer la r\u00e9sistance et la t\u00e9nacit\u00e9.\u00a0Le trioxyde d&rsquo;uranium (aussi appel\u00e9 oxyde uranique) de formule UO3, est une poudre jaune orang\u00e9 et est utilis\u00e9 comme pigment pour la c\u00e9ramique.\u00a0Dans les verres, il produit un beau \u00ab\u00a0verre d&rsquo;uranium\u00a0\u00bb jaune verd\u00e2tre.<\/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>Titane et Uranium &#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>Titane<\/b><\/td>\n<td style=\"text-align: center;\"><b>Uranium<\/b><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Densit\u00e9<\/td>\n<td style=\"text-align: center;\"><strong>4,507 g\/cm3<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>19,05 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>434 MPa, 293 MPa (pur)<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>390 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>380 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>190 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>116 GPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>208 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>6<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>6<\/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>700 \u2013 2700 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>2400 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>800 \u2013 3400 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>1960 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>1668\u00b0C<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>1132\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>3287\u00b0C<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>4131\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>21,9 W\/mK<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>27 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>8,6 \u00b5m\/mK<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>13,9 \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;\">0,52 J\/g\u00b7K<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong>0,12 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>15,45 kJ\/mole<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>8,52 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;\">421 kJ\/mole<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong>417 kJ\/mole<\/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 titane et de l&rsquo;uranium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Titane contre Uranium. 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>Titane et Uranium - 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 titane et de l&#039;uranium, 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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