{"id":114542,"date":"2022-02-09T01:23:26","date_gmt":"2022-02-09T00:23:26","guid":{"rendered":"https:\/\/material-properties.org\/fluor-et-aluminium-comparaison-proprietes\/"},"modified":"2022-03-28T10:29:09","modified_gmt":"2022-03-28T09:29:09","slug":"fluor-et-aluminium-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/fluor-et-aluminium-comparaison-proprietes\/","title":{"rendered":"Fluor et Aluminium – Comparaison – Propri\u00e9t\u00e9s"},"content":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du fluor 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.\u00a0Fluor vs Aluminium.<\/em><\/p>\n

\"fluor<\/p>\n

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

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

\"N\u00e9on<\/a><\/p>\n

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

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

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

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

\"Oxyg\u00e8ne<\/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

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

Fluor<\/h3>\n

Le fluor est l’halog\u00e8ne le plus l\u00e9ger et existe sous forme de gaz diatomique jaune p\u00e2le hautement toxique dans des conditions standard. En tant qu’\u00e9l\u00e9ment le plus \u00e9lectron\u00e9gatif, il est extr\u00eamement r\u00e9actif: presque tous les autres \u00e9l\u00e9ments, y compris certains gaz nobles, forment des compos\u00e9s avec le fluor.
\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

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

\n

\"Aluminium<\/p>\n

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

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

<\/div>\n
\n

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

Fluor<\/a><\/h3>\n

En raison des frais de raffinage du fluor pur, la plupart des applications commerciales utilisent des compos\u00e9s fluor\u00e9s, avec environ la moiti\u00e9 de la fluorite extraite utilis\u00e9e dans la fabrication de l’acier.\u00a0Le reste de la fluorite est converti en fluorure d’hydrog\u00e8ne corrosif en route vers divers fluorures organiques, ou en cryolite, qui joue un r\u00f4le cl\u00e9 dans le raffinage de l’aluminium.\u00a0La plupart des proc\u00e9d\u00e9s commerciaux d’enrichissement de l’uranium (diffusion gazeuse et m\u00e9thode de centrifugation gazeuse) exigent que l’uranium soit sous forme gazeuse. Par cons\u00e9quent, le concentr\u00e9 d’oxyde d’uranium doit d’abord \u00eatre converti en hexafluorure d’uranium, qui est un gaz \u00e0 des temp\u00e9ratures relativement basses.\u00a0Les mol\u00e9cules contenant une liaison carbone-fluor ont souvent une stabilit\u00e9 chimique et thermique tr\u00e8s \u00e9lev\u00e9e;\u00a0leurs principales utilisations sont les r\u00e9frig\u00e9rants, l’isolation \u00e9lectrique et les ustensiles de cuisine, le dernier \u00e9tant le PTFE (t\u00e9flon).<\/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

Fluor 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>\nFluor<\/b><\/td>\nAluminium<\/b><\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n0,0017g\/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>\nN \/ A<\/strong><\/td>\n70 GPa<\/strong><\/td>\n<\/tr>\n
\u00c9chelle de Mohs<\/td>\nN \/ A<\/strong><\/td>\n2,8<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Brinell<\/td>\nN \/ A<\/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>\n-219,8\u00b0C<\/strong><\/td>\n660\u00b0C<\/strong><\/td>\n<\/tr>\n
Point d’\u00e9bullition<\/td>\n-188,1\u00b0C<\/strong><\/td>\n2467\u00b0C<\/strong><\/td>\n<\/tr>\n
Conductivit\u00e9 thermique<\/td>\n0,0279 W\/mK<\/strong><\/td>\n137W\/mK<\/strong><\/td>\n<\/tr>\n
Coefficient de dilatation thermique<\/td>\nN \/ A<\/strong><\/td>\n23,1 \u00b5m\/mK<\/strong><\/td>\n<\/tr>\n
Chaleur sp\u00e9cifique<\/td>\n0,82 J\/g\u00b7K<\/span><\/strong><\/td>\n0,9 J\/g\u00b7K<\/strong><\/td>\n<\/tr>\n
Temp\u00e9rature de fusion<\/td>\n0,2552 kJ\/mole<\/strong><\/td>\n10,79 kJ\/mole<\/strong><\/td>\n<\/tr>\n
Chaleur de vaporisation<\/td>\n3,2698 kJ\/mol<\/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 fluor 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.\u00a0Fluor vs 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":"\nFluor 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 fluor et de l'aluminium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments. Fluor vs Aluminium.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/material-properties.org\/fr\/fluor-et-aluminium-comparaison-proprietes\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fluor et Aluminium - Comparaison - Propri\u00e9t\u00e9s - Material Properties\" \/>\n<meta property=\"og:description\" content=\"Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du fluor et de l'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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