{"id":114517,"date":"2022-02-08T05:57:04","date_gmt":"2022-02-08T04:57:04","guid":{"rendered":"https:\/\/material-properties.org\/silicium-et-arsenic-comparaison-proprietes\/"},"modified":"2022-03-28T08:01:10","modified_gmt":"2022-03-28T07:01:10","slug":"silicium-et-arsenic-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/silicium-et-arsenic-comparaison-proprietes\/","title":{"rendered":"Silicium et Arsenic – Comparaison – Propri\u00e9t\u00e9s"},"content":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du silicium et de l’arsenic, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments. Silicium contre Arsenic.<\/em><\/p>\n

\"silicium<\/p>\n

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

<\/div>\n
\n

Silicium et Arsenic – \u00c0 propos des \u00e9l\u00e9ments<\/h2>\n<\/div><\/div>\n
\n
\"\"<\/div>
\n

Silicium<\/h3>\n

Le silicium est un solide cristallin dur et cassant avec un \u00e9clat m\u00e9tallique bleu-gris, c’est un m\u00e9tallo\u00efde t\u00e9travalent et un semi-conducteur.
\n<\/p><\/div>

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

Arsenic<\/h3>\n

L’arsenic est pr\u00e9sent dans de nombreux min\u00e9raux, g\u00e9n\u00e9ralement en combinaison avec du soufre et des m\u00e9taux, mais aussi sous forme de cristal \u00e9l\u00e9mentaire pur.\u00a0L’arsenic est un m\u00e9tallo\u00efde.<\/p>\n<\/div>

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

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

\n

\"Arsenic<\/p>\n

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

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

<\/div>\n
\n

Silicium et Arsenic – Applications<\/h2>\n<\/div><\/div>\n
\n
\n
\n

Silicium<\/a><\/h3>\n

La plupart du silicium est utilis\u00e9 industriellement sans \u00eatre purifi\u00e9, et en effet, souvent avec relativement peu de traitement \u00e0 partir de sa forme naturelle.\u00a0Le silicium est un ingr\u00e9dient essentiel dans les alliages d’aluminium, d’acier et de fer.\u00a0Il est ajout\u00e9 comme fondant pour les alliages de cuivre.\u00a0Sous forme d’argile et de sable, il est utilis\u00e9 pour fabriquer des briques et du b\u00e9ton ;\u00a0c’est un mat\u00e9riau r\u00e9fractaire pr\u00e9cieux pour les travaux \u00e0 haute temp\u00e9rature, par exemple, les sables de moulage pour les pi\u00e8ces moul\u00e9es dans les applications de fonderie.\u00a0La silice est utilis\u00e9e pour fabriquer des briques r\u00e9fractaires, un type de c\u00e9ramique.\u00a0Les min\u00e9raux silicat\u00e9s sont \u00e9galement pr\u00e9sents dans la c\u00e9ramique blanche, une classe importante de produits contenant g\u00e9n\u00e9ralement divers types de min\u00e9raux argileux cuits (phyllosilicates d’aluminium naturels).\u00a0Un exemple est la porcelaine, qui est bas\u00e9e sur la kaolinite min\u00e9rale de silicate.\u00a0Le verre traditionnel (verre sodocalcique \u00e0 base de silice) fonctionne \u00e9galement de la m\u00eame mani\u00e8re,\u00a0et est \u00e9galement utilis\u00e9 pour les fen\u00eatres et les conteneurs.\u00a0Le silicium m\u00e9tal hyperpur et le silicium hyperpur dop\u00e9 (dopage au bore, au phosphore, au gallium ou \u00e0 l’arsenic) sont utilis\u00e9s dans les cellules solaires, les transistors et les semi-conducteurs.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n
\n
\n

Arsenic<\/a><\/h3>\n

L’arsenic est utilis\u00e9 comme agent dopant dans les semi-conducteurs (ars\u00e9niure de gallium) pour les dispositifs \u00e0 semi-conducteurs.\u00a0Il est \u00e9galement utilis\u00e9 en bronzage, en pyrotechnie et pour durcir la grenaille.\u00a0Les compos\u00e9s d’arsenic peuvent \u00eatre utilis\u00e9s pour fabriquer du verre sp\u00e9cial et pr\u00e9server le bois.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

Silicium et Arsenic – 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>\nSilicium<\/b><\/td>\nArsenic<\/b><\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n2,33 g\/cm3<\/strong><\/td>\n5,727 g\/cm3<\/strong><\/td>\n<\/tr>\n
R\u00e9sistance \u00e0 la traction ultime<\/td>\n170 MPa<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Limite d’\u00e9lasticit\u00e9<\/td>\n165 MPa<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Module de Young<\/td>\n150 GPa<\/strong><\/td>\n8 GPa<\/strong><\/td>\n<\/tr>\n
\u00c9chelle de Mohs<\/td>\n7<\/strong><\/td>\n3.5<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Brinell<\/td>\n2300 MPa<\/strong><\/td>\n1440 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>\n1410\u00b0C<\/strong><\/td>\n817\u00b0C<\/strong><\/td>\n<\/tr>\n
Point d’\u00e9bullition<\/td>\n3265\u00b0C<\/strong><\/td>\n614\u00b0C<\/strong><\/td>\n<\/tr>\n
Conductivit\u00e9 thermique<\/td>\n148 W\/mK<\/strong><\/td>\n50W\/mK<\/strong><\/td>\n<\/tr>\n
Coefficient de dilatation thermique<\/td>\n2,6 \u00b5m\/mK<\/strong><\/td>\n5,6 \u00b5m\/mK<\/strong><\/td>\n<\/tr>\n
Chaleur sp\u00e9cifique<\/td>\n0,71 J\/g\u00b7K<\/span><\/strong><\/td>\n0,33 J\/g\u00b7K<\/strong><\/td>\n<\/tr>\n
Temp\u00e9rature de fusion<\/td>\n50,55 kJ\/mole<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Chaleur de vaporisation<\/td>\n384,22 kJ\/mol<\/span><\/strong><\/td>\n34,76 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 silicium et de l’arsenic, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments. Silicium contre Arsenic. 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":"\nSilicium et Arsenic - 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 silicium et de l'arsenic, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. 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