{"id":114539,"date":"2022-02-09T00:17:24","date_gmt":"2022-02-08T23:17:24","guid":{"rendered":"https:\/\/material-properties.org\/sodium-et-aluminium-comparaison-proprietes\/"},"modified":"2022-03-28T10:26:22","modified_gmt":"2022-03-28T09:26:22","slug":"sodium-et-aluminium-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/sodium-et-aluminium-comparaison-proprietes\/","title":{"rendered":"Sodium et Aluminium – Comparaison – Propri\u00e9t\u00e9s"},"content":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du sodium et de l’aluminium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Sodium contre Aluminium.<\/em><\/p>\n

\"sodium<\/p>\n

\n
<\/span>Comparer le sodium avec un autre \u00e9l\u00e9ment<\/div>
\n
<\/div>\n

\"Hydrog\u00e8ne<\/a><\/p>\n

\"Lithium<\/a><\/p>\n

\"Oxyg\u00e8ne<\/a><\/p>\n

\"Calcium<\/a><\/p>\n

\"Magn\u00e9sium<\/a><\/p>\n

\"Potassium<\/a><\/p>\n

\"Chlore<\/a><\/p>\n

\"Aluminium<\/a><\/p>\n

\"Silicium<\/a><\/p>\n

\"Soufre<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

\n
<\/span>Comparer l'aluminium avec un autre \u00e9l\u00e9ment<\/div>
\n
<\/div>\n

\"Hydrog\u00e8ne<\/a><\/p>\n

\"Lithium<\/a><\/p>\n

\"B\u00e9ryllium<\/a><\/p>\n

\"Carbone<\/a><\/p>\n

\"Oxyg\u00e8ne<\/a><\/p>\n

\"Fluor<\/a><\/p>\n

\"Sodium<\/a><\/p>\n

\"Magn\u00e9sium<\/a><\/p>\n

\"Cuivre<\/a><\/p>\n

\"Mercure<\/a><\/p>\n

\"Potassium<\/a><\/p>\n

\"Silicium<\/a><\/p>\n

\"Chlore<\/a><\/p>\n

\"Titane<\/a><\/p>\n

\"Fer<\/a><\/p>\n

\"Gallium<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

<\/div>\n
\n

Sodium et Aluminium – \u00c0 propos des \u00e9l\u00e9ments<\/h2>\n<\/div><\/div>\n
\n
\"\"<\/div>
\n

Sodium<\/h3>\n

Le sodium est un m\u00e9tal mou, blanc argent\u00e9 et hautement r\u00e9actif.\u00a0Le sodium est un m\u00e9tal alcalin, appartenant au groupe 1 du tableau p\u00e9riodique, car il poss\u00e8de un seul \u00e9lectron dans sa coque externe qu’il donne facilement, cr\u00e9ant un atome charg\u00e9 positivement, le cation Na+.
\n<\/p><\/div>

<\/div><\/div>\n<\/div><\/div>\n
\n
\"\"<\/div>
\n

Aluminium<\/h3>\n

L’aluminium est un m\u00e9tal blanc argent\u00e9, doux, non magn\u00e9tique et ductile du groupe du bore. En masse, l’aluminium repr\u00e9sente environ 8 % de la cro\u00fbte terrestre; c’est le troisi\u00e8me \u00e9l\u00e9ment le plus abondant apr\u00e8s l’oxyg\u00e8ne et le silicium et le m\u00e9tal le plus abondant dans la cro\u00fbte, bien qu’il soit moins courant dans le manteau ci-dessous.<\/p>\n<\/div>

<\/div><\/div>\n<\/div><\/div>\n
<\/div>\n
\n

\"Sodium<\/p>\n<\/div><\/div>\n

\n

\"Aluminium<\/p>\n

<\/p><\/div><\/div>\n

Source : www.luciteria.com<\/p>\n

<\/div>\n
\n

Sodium et Aluminium – Applications<\/h2>\n<\/div><\/div>\n
\n
\n
\n

Sodium<\/a><\/h3>\n

Le sodium m\u00e9tallique est principalement utilis\u00e9 pour la production de borohydrure de sodium, d’azoture de sodium, d’indigo et de triph\u00e9nylphosphine.\u00a0Une utilisation autrefois courante \u00e9tait la fabrication de t\u00e9tra\u00e9thylplomb et de titane m\u00e9tallique;\u00a0en raison de l’abandon du TEL et des nouvelles m\u00e9thodes de production de titane.\u00a0Un courant \u00e9lectrique et de la vapeur de sodium se combinent pour former une lueur jaun\u00e2tre.\u00a0Ce principe est utilis\u00e9 pour la fabrication des lampes \u00e0 vapeur de sodium.\u00a0Le sodium est parfois utilis\u00e9 comme agent d’\u00e9change de chaleur dans les centrales nucl\u00e9aires.\u00a0Le sodium liquide est scell\u00e9 dans des tuyaux entourant le c\u0153ur du r\u00e9acteur.\u00a0La chaleur g\u00e9n\u00e9r\u00e9e est absorb\u00e9e par le sodium et forc\u00e9e \u00e0 travers les tuyaux dans un \u00e9changeur de chaleur qui peut \u00eatre utilis\u00e9 pour g\u00e9n\u00e9rer de l’\u00e9lectricit\u00e9.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n
\n
\n

Aluminium<\/a><\/h3>\n

L’aluminium et ses alliages sont largement utilis\u00e9s dans les applications a\u00e9rospatiales, automobiles, architecturales, lithographiques, d’emballage, \u00e9lectriques et \u00e9lectroniques.\u00a0C’est le principal mat\u00e9riau de construction de l’industrie a\u00e9ronautique tout au long de son histoire.\u00a0Environ 70% des cellules des avions civils commerciaux sont fabriqu\u00e9es \u00e0 partir d’alliages d’aluminium, et sans aluminium, l’aviation civile ne serait pas \u00e9conomiquement viable.\u00a0L’industrie automobile utilise d\u00e9sormais l’aluminium comme pi\u00e8ces moul\u00e9es de moteur, roues, radiateurs et de plus en plus comme pi\u00e8ces de carrosserie.\u00a0L’aluminium 6111 et l’alliage d’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’aluminium.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

Sodium et Aluminium – Comparaison dans le tableau<\/h2>\n<\/div><\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u00c9l\u00e9ment<\/td>\nSodium<\/b><\/td>\nAluminium<\/b><\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n0,968g\/cm3<\/strong><\/td>\n2,7 g\/cm3<\/strong><\/td>\n<\/tr>\n
R\u00e9sistance \u00e0 la traction ultime<\/td>\nN \/ A<\/strong><\/td>\n90 MPa (pur), 600 MPa (alliages)<\/strong><\/td>\n<\/tr>\n
Limite d’\u00e9lasticit\u00e9<\/td>\nN \/ A<\/strong><\/td>\n11 MPa (pur), 400 MPa (alliages)<\/strong><\/td>\n<\/tr>\n
Module de Young<\/td>\n10 GPa<\/strong><\/td>\n70 GPa<\/strong><\/td>\n<\/tr>\n
\u00c9chelle de Mohs<\/td>\n0,4<\/strong><\/td>\n2,8<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Brinell<\/td>\n0,69 MPa<\/strong><\/td>\n240 MPa<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Vickers<\/td>\nN \/ A<\/strong><\/td>\n167 MPa<\/strong><\/td>\n<\/tr>\n
Point de fusion<\/td>\n97,8\u00b0C<\/strong><\/td>\n660\u00b0C<\/strong><\/td>\n<\/tr>\n
Point d’\u00e9bullition<\/td>\n883\u00b0C<\/strong><\/td>\n2467\u00b0C<\/strong><\/td>\n<\/tr>\n
Conductivit\u00e9 thermique<\/td>\n141W\/mK<\/strong><\/td>\n137W\/mK<\/strong><\/td>\n<\/tr>\n
Coefficient de dilatation thermique<\/td>\n71 \u00b5m\/mK<\/strong><\/td>\n23,1 \u00b5m\/mK<\/strong><\/td>\n<\/tr>\n
Chaleur sp\u00e9cifique<\/td>\n1,23 J\/g\u00b7K<\/span><\/strong><\/td>\n0,9 J\/g\u00b7K<\/strong><\/td>\n<\/tr>\n
Temp\u00e9rature de fusion<\/td>\n2,598 kJ\/mol<\/strong><\/td>\n10,79 kJ\/mole<\/strong><\/td>\n<\/tr>\n
Chaleur de vaporisation<\/td>\n96,96 kJ\/mole<\/span><\/strong><\/td>\n293,4 kJ\/mole<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du sodium et de l’aluminium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Sodium 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":"\nSodium 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 sodium et de l'aluminium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. 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