{"id":114400,"date":"2022-02-05T03:49:37","date_gmt":"2022-02-05T02:49:37","guid":{"rendered":"https:\/\/material-properties.org\/neodyme-et-dysprosium-comparaison-proprietes\/"},"modified":"2022-03-22T11:40:27","modified_gmt":"2022-03-22T10:40:27","slug":"neodyme-et-dysprosium-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/neodyme-et-dysprosium-comparaison-proprietes\/","title":{"rendered":"N\u00e9odyme et Dysprosium &#8211; Comparaison &#8211; Propri\u00e9t\u00e9s"},"content":{"rendered":"<p><em>Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du n\u00e9odyme et du dysprosium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0N\u00e9odyme vs Dysprosium.<\/em><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-107547\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/neodymium-and-dysprosium-comparison.png\" alt=\"n\u00e9odyme et dysprosium - comparaison\" width=\"1000\" height=\"900\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/neodymium-and-dysprosium-comparison.png 1000w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/neodymium-and-dysprosium-comparison-300x270.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/01\/neodymium-and-dysprosium-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 n\u00e9odyme 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\/Neodymium-and-Dysprosium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Dysprosium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Dysprosium-properties-price-application-production-150x150.png\" alt=\"Dysprosium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Praseodymium-and-Neodymium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Pras\u00e9odyme\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Praseodymium-properties-price-application-production-150x150.png\" alt=\"Pras\u00e9odyme - 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 dysprosium 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\/Neodymium-and-Dysprosium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec N\u00e9odyme\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Neodymium-properties-price-application-production-150x150.png\" alt=\"N\u00e9odyme - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Europium-and-Dysprosium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Europium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Europium-properties-price-application-production-150x150.png\" alt=\"Europium - Propri\u00e9t\u00e9s - Prix - Applications - Production\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p><a href=\"https:\/\/material-properties.org\/Terbium-and-Dysprosium-comparison-properties\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignleft\" title=\"Comparer avec Terbium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/10\/Terbium-properties-price-application-production-150x150.png\" alt=\"Terbium - 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>N\u00e9odyme et Dysprosium &#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\/neodymium-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>N\u00e9odyme<\/h3>\n<p>Le n\u00e9odyme est un m\u00e9tal argent\u00e9 doux qui se ternit \u00e0 l&rsquo;air.\u00a0Le n\u00e9odyme ne se trouve pas naturellement sous forme m\u00e9tallique ou non m\u00e9lang\u00e9 avec d&rsquo;autres lanthanides, et il est g\u00e9n\u00e9ralement raffin\u00e9 pour un usage g\u00e9n\u00e9ral.\u00a0Bien que le n\u00e9odyme soit class\u00e9 parmi les terres rares, c&rsquo;est un \u00e9l\u00e9ment assez courant.<\/p>\n<\/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\/dysprosium-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>Dysprosium<\/h3>\n<p>Le dysprosium est un \u00e9l\u00e9ment de terre rare avec un \u00e9clat argent\u00e9 m\u00e9tallique.\u00a0Le dysprosium est utilis\u00e9 pour sa section efficace d&rsquo;absorption des neutrons thermiques \u00e9lev\u00e9e dans la fabrication de barres de contr\u00f4le dans les r\u00e9acteurs nucl\u00e9aires, pour sa forte susceptibilit\u00e9 magn\u00e9tique dans les applications de stockage de donn\u00e9es.<\/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-92414\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Neodymium-periodic-table-244x300.png\" alt=\"N\u00e9odyme dans le tableau p\u00e9riodique\" width=\"244\" height=\"300\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Neodymium-periodic-table-244x300.png 244w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Neodymium-periodic-table.png 466w\" sizes=\"(max-width: 244px) 100vw, 244px\" \/><\/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-92314\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Dysprosium-periodic-table-300x293.png\" alt=\"Dysprosium dans le tableau p\u00e9riodique\" width=\"300\" height=\"293\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Dysprosium-periodic-table-300x293.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Dysprosium-periodic-table.png 604w\" 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>N\u00e9odyme et Dysprosium &#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\/neodymium-properties-applications-price-production\/\">N\u00e9odyme<\/a><\/h3>\n<p>L&rsquo;utilisation la plus importante du n\u00e9odyme est dans un alliage avec du fer et du bore pour fabriquer des aimants permanents tr\u00e8s puissants.\u00a0Ces aimants sont largement utilis\u00e9s dans des produits tels que les microphones, les haut-parleurs professionnels, les \u00e9couteurs intra-auriculaires, les moteurs \u00e9lectriques \u00e0 courant continu haute performance pour loisirs et les disques durs d&rsquo;ordinateur, o\u00f9 une faible masse (ou volume) d&rsquo;aimant ou des champs magn\u00e9tiques puissants sont n\u00e9cessaires.\u00a0Des aimants en n\u00e9odyme plus gros sont utilis\u00e9s dans les moteurs \u00e9lectriques \u00e0 haute puissance par rapport au poids (par exemple dans les voitures hybrides) et les g\u00e9n\u00e9rateurs (par exemple les g\u00e9n\u00e9rateurs \u00e9lectriques d&rsquo;avions et d&rsquo;\u00e9oliennes).\u00a0Le n\u00e9odyme est un composant, avec le pras\u00e9odyme, du verre de didymium.\u00a0Il s&rsquo;agit d&rsquo;un verre sp\u00e9cial pour les lunettes utilis\u00e9es lors du soufflage du verre et du soudage.\u00a0L&rsquo;\u00e9l\u00e9ment colore le verre de d\u00e9licates nuances de violet, de rouge vin et de gris.\u00a0Le n\u00e9odyme est \u00e9galement utilis\u00e9 dans le verre des cabines de bronzage,<\/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\/dysprosium-properties-applications-price-production\/\">Dysprosium<\/a><\/h3>\n<p>Le dysprosium est utilis\u00e9 dans les ferrites et les alliages magn\u00e9tiques pour les micro-ondes.\u00a0Le dysprosium est de plus en plus demand\u00e9 pour les aimants permanents utilis\u00e9s dans les moteurs de voitures \u00e9lectriques et les \u00e9oliennes.\u00a0Des aciers inoxydables sp\u00e9ciaux alli\u00e9s au dysprosium sont utilis\u00e9s dans les applications de contr\u00f4le nucl\u00e9aire, c&rsquo;est-\u00e0-dire les barres de commande des r\u00e9acteurs nucl\u00e9aires.\u00a0Le candidat d&rsquo;un nouveau mat\u00e9riau absorbant pour les barres de commande tol\u00e9rantes aux accidents comprend le gadolinia (Gd2O3), le samaria (Sm2O3), l&rsquo;europia (Eu2O3), la dysprosie (Dy2O3), l&rsquo;hafnia (HfO2).<\/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>N\u00e9odyme et Dysprosium &#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>N\u00e9odyme<\/b><\/td>\n<td style=\"text-align: center;\"><b>Dysprosium<\/b><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\">Densit\u00e9<\/td>\n<td style=\"text-align: center;\"><strong>7,01 g\/cm3<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>8,551 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>155 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>220 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>150 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>200 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>41,4 GPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>61,4 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>N \/ A<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>N \/ A<\/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>265 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>500 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>350 MPa<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>550 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>1016\u00b0C<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>1412\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>3074\u00b0C<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>2567\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>17W\/mK<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>11W\/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>9,6 \u00b5m\/mK<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>9,9 \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;\">0,19 J\/g\u00b7K<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong>0,17 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>7,14 kJ\/mole<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>11,06 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;\">273 kJ\/mole<\/span><\/strong><\/td>\n<td style=\"text-align: center;\"><strong>230,1 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 n\u00e9odyme et du dysprosium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0N\u00e9odyme vs Dysprosium. 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>N\u00e9odyme et Dysprosium - 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 n\u00e9odyme et du dysprosium, 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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