{"id":115487,"date":"2022-04-24T20:32:28","date_gmt":"2022-04-24T19:32:28","guid":{"rendered":"https:\/\/material-properties.org\/lithium-et-calcium-comparaison-proprietes\/"},"modified":"2022-04-25T10:36:09","modified_gmt":"2022-04-25T09:36:09","slug":"lithium-et-calcium-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/lithium-et-calcium-comparaison-proprietes\/","title":{"rendered":"Lithium et Calcium – Comparaison – Propri\u00e9t\u00e9s"},"content":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du lithium et du calcium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Lithium contre Calcium.<\/em><\/p>\n

\"lithium<\/p>\n

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

<\/div>\n
\n

Lithium et Calcium – \u00c0 propos des \u00e9l\u00e9ments<\/h2>\n<\/div><\/div>\n
\n
\"\"<\/div>
\n

Lithium<\/h3>\n

C’est un m\u00e9tal alcalin doux et blanc argent\u00e9.\u00a0Dans des conditions standard, c’est le m\u00e9tal le plus l\u00e9ger et l’\u00e9l\u00e9ment solide le plus l\u00e9ger.\u00a0Comme tous les m\u00e9taux alcalins, le lithium est hautement r\u00e9actif et inflammable et est stock\u00e9 dans de l’huile min\u00e9rale.
\n<\/p><\/div>

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

Calcium<\/h3>\n

Le calcium est un m\u00e9tal alcalino-terreux, c’est un m\u00e9tal jaune p\u00e2le r\u00e9actif qui forme une couche d’oxyde-nitrure sombre lorsqu’il est expos\u00e9 \u00e0 l’air.\u00a0Ses propri\u00e9t\u00e9s physiques et chimiques sont les plus similaires \u00e0 celles de ses homologues plus lourds, le strontium et le baryum.\u00a0C’est le cinqui\u00e8me \u00e9l\u00e9ment le plus abondant de la cro\u00fbte terrestre et le troisi\u00e8me m\u00e9tal le plus abondant, apr\u00e8s le fer et l’aluminium.
\n<\/p><\/div>

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

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

\n

\"Calcium<\/p>\n

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

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

<\/div>\n
\n

Lithium et Calcium – Applications<\/h2>\n<\/div><\/div>\n
\n
\n
\n

Lithium<\/a><\/h3>\n

Le lithium a de nombreuses applications, de la graisse lubrifiante, aux ajouts d’alliages notamment pour les alliages d’aluminium et de magn\u00e9sium, aux \u00e9maux pour c\u00e9ramiques, et enfin, les batteries au lithium.\u00a0En particulier, le lithium joue et continuera de jouer un r\u00f4le de plus en plus important dans l’avenir de l’air pur aliment\u00e9 par batterie.\u00a0Les batteries au lithium sont largement utilis\u00e9es dans les appareils \u00e9lectroniques grand public portables et dans les v\u00e9hicules \u00e9lectriques allant des v\u00e9hicules de grande taille aux jouets radiocommand\u00e9s.\u00a0Le terme \u00ab\u00a0batterie au lithium\u00a0\u00bb fait r\u00e9f\u00e9rence \u00e0 une famille de diff\u00e9rentes chimies lithium-m\u00e9tal, comprenant de nombreux types de cathodes et d’\u00e9lectrolytes, mais tous avec du lithium m\u00e9tallique comme anode.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n
\n
\n

Calcium<\/a><\/h3>\n

La plus grande utilisation de calcium m\u00e9tallique est dans la sid\u00e9rurgie, en raison de sa forte affinit\u00e9 chimique pour l’oxyg\u00e8ne et le soufre.\u00a0Ses oxydes et sulfures, une fois form\u00e9s, donnent des inclusions d’aluminate de chaux liquide et de sulfure dans l’acier qui flottent.\u00a0Les compos\u00e9s de calcium sont utilis\u00e9s dans la fabrication d’insecticides, de peintures, de craie \u00e0 tableau noir, de textiles et de feux d’artifice.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

Lithium et Calcium – 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>\nLithium<\/strong><\/td>\nCalcium<\/strong><\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n0,535 g\/cm3<\/strong><\/td>\n1,55 g\/cm3<\/strong><\/td>\n<\/tr>\n
R\u00e9sistance \u00e0 la traction ultime<\/td>\n1,5 MPa<\/strong><\/td>\n110 MPa<\/strong><\/td>\n<\/tr>\n
Limite d’\u00e9lasticit\u00e9<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Module de Young<\/td>\n4,9 GPa<\/strong><\/td>\n20 GPa<\/strong><\/td>\n<\/tr>\n
\u00c9chelle de Mohs<\/td>\n0,6<\/strong><\/td>\n1,5<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Brinell<\/td>\n5 MPa<\/strong><\/td>\n170 \u2013 400 MPa<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Vickers<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Point de fusion<\/td>\n180,5\u00a0\u00b0C<\/strong><\/td>\n842 \u00b0C<\/strong><\/td>\n<\/tr>\n
Point d’\u00e9bullition<\/td>\n1342 \u00b0C<\/strong><\/td>\n1484 \u00b0C<\/strong><\/td>\n<\/tr>\n
Conductivit\u00e9 thermique<\/td>\n85 W\/mK<\/strong><\/td>\n200 W\/mK<\/strong><\/td>\n<\/tr>\n
Coefficient de dilatation thermique<\/td>\n46 \u00b5m\/mK<\/strong><\/td>\n22,3 \u00b5m\/mK<\/strong><\/td>\n<\/tr>\n
Chaleur sp\u00e9cifique<\/td>\n3,6 J\/g\u00b7K<\/span><\/strong><\/td>\n0,63 J\/g\u00b7K<\/span><\/strong><\/td>\n<\/tr>\n
Temp\u00e9rature de fusion<\/td>\n3 kJ\/mol<\/span><\/strong><\/td>\n8,54 kJ\/mol<\/span><\/strong><\/td>\n<\/tr>\n
Chaleur de vaporisation<\/td>\n145,92 kJ\/mol<\/span><\/strong><\/td>\n153,3 kJ\/mol<\/span><\/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 lithium et du calcium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Lithium contre Calcium. 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":"\nLithium et Calcium - 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 lithium et du calcium, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. 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