{"id":117394,"date":"2022-09-16T16:42:19","date_gmt":"2022-09-16T15:42:19","guid":{"rendered":"https:\/\/material-properties.org\/escandio-e-aluminio-comparacao-propriedades\/"},"modified":"2022-10-23T09:10:18","modified_gmt":"2022-10-23T08:10:18","slug":"escandio-e-aluminio-comparacao-propriedades","status":"publish","type":"post","link":"https:\/\/material-properties.org\/pt-br\/escandio-e-aluminio-comparacao-propriedades\/","title":{"rendered":"Esc\u00e2ndio e Alum\u00ednio – Compara\u00e7\u00e3o – Propriedades"},"content":{"rendered":"

Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas do esc\u00e2ndio e do alum\u00ednio, dois elementos qu\u00edmicos compar\u00e1veis \u200b\u200bda tabela peri\u00f3dica.\u00a0Ele tamb\u00e9m cont\u00e9m descri\u00e7\u00f5es b\u00e1sicas e aplica\u00e7\u00f5es de ambos os elementos.\u00a0Esc\u00e2ndio vs. Alum\u00ednio.<\/span><\/em><\/p>\n

\"esc\u00e2ndio<\/p>\n

\n
<\/span>Comparar Esc\u00e2ndio com outro elemento<\/div>
\n
<\/div>\n

\"Alum\u00ednio<\/a><\/p>\n

\"\u00cdtrio<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

\n
<\/span>Compare Alum\u00ednio com outro elemento<\/div>
\n
<\/div>\n

\"Hidrog\u00eanio<\/a><\/p>\n

\"L\u00edtio<\/a><\/p>\n

\"Ber\u00edlio<\/a><\/p>\n

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

\"Oxig\u00eanio<\/a><\/p>\n

\"Fl\u00faor<\/a><\/p>\n

\"S\u00f3dio<\/a><\/p>\n

\"Magn\u00e9sio<\/a><\/p>\n

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

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

\"Pot\u00e1ssio<\/a><\/p>\n

\"Sil\u00edcio<\/a><\/p>\n

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

\"Tit\u00e2nio<\/a><\/p>\n

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

\"G\u00e1lio<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

<\/div>\n
\n

Esc\u00e2ndio e Alum\u00ednio – Sobre Elementos<\/span><\/h2>\n<\/div><\/div>\n
\n
<\/i><\/div>
\n

Esc\u00e2ndio<\/span><\/h3>\n

O esc\u00e2ndio \u00e9 um elemento de bloco d met\u00e1lico branco prateado, historicamente \u00e0s vezes classificado como um elemento de terras raras, juntamente com o \u00edtrio e os lantan\u00eddeos.<\/p>\n<\/div>

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

Alum\u00ednio<\/span><\/h3>\n

O alum\u00ednio \u00e9 um metal branco prateado, macio, n\u00e3o magn\u00e9tico e d\u00factil do grupo do boro.\u00a0Em massa, o alum\u00ednio comp\u00f5e cerca de 8% da crosta terrestre;\u00a0\u00e9 o terceiro elemento mais abundante depois do oxig\u00eanio e do sil\u00edcio e o metal mais abundante na crosta, embora seja menos comum no manto abaixo.<\/span><\/p>\n<\/div>

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

\n

\"Esc\u00e2ndio<\/p>\n

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

\n

\"Alum\u00ednio<\/p>\n

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

Fonte: www.luciteria.com<\/span><\/p>\n

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

<\/span><\/p>\n

Esc\u00e2ndio e Alum\u00ednio – Aplica\u00e7\u00f5es<\/span><\/h2>\n<\/div><\/div>\n
\n
\n
\n

Esc\u00e2ndio<\/span><\/a><\/h3>\n

A principal aplica\u00e7\u00e3o do esc\u00e2ndio em peso \u00e9 em ligas de alum\u00ednio-esc\u00e2ndio para componentes menores da ind\u00fastria aeroespacial.\u00a0Estas ligas cont\u00eam entre 0,1% e 0,5% de esc\u00e2ndio.\u00a0O Sc melhora drasticamente as ligas de Al, aumentando a resist\u00eancia, a resist\u00eancia \u00e0 corros\u00e3o e a soldabilidade.<\/span><\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n
\n
\n

Alum\u00ednio<\/span><\/a><\/h3>\n

O alum\u00ednio e suas ligas s\u00e3o amplamente utilizados em aplica\u00e7\u00f5es aeroespaciais, automotivas, arquitet\u00f4nicas, litogr\u00e1ficas, de embalagens, el\u00e9tricas e eletr\u00f4nicas.\u00a0\u00c9 o principal material de constru\u00e7\u00e3o para a ind\u00fastria aeron\u00e1utica durante a maior parte de sua hist\u00f3ria.\u00a0Cerca de 70% das fuselagens de aeronaves civis comerciais s\u00e3o feitas de ligas de alum\u00ednio, e sem alum\u00ednio a avia\u00e7\u00e3o civil n\u00e3o seria economicamente vi\u00e1vel.\u00a0A ind\u00fastria automotiva agora inclui alum\u00ednio como pe\u00e7as fundidas de motores, rodas, radiadores e cada vez mais como pe\u00e7as de carroceria.\u00a0O alum\u00ednio 6111 e a liga de alum\u00ednio 2008 s\u00e3o amplamente utilizados para pain\u00e9is externos de carroceria automotiva.\u00a0Blocos de cilindros e c\u00e1rteres s\u00e3o muitas vezes fundidos em ligas de alum\u00ednio.<\/span><\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

Esc\u00e2ndio e Alum\u00ednio – Compara\u00e7\u00e3o na Tabela<\/span><\/h2>\n

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

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Elemento<\/span><\/td>\nEsc\u00e2ndio<\/span><\/b><\/td>\nAlum\u00ednio<\/span><\/b><\/td>\n<\/tr>\n
Densidade<\/span><\/td>\n2,985 g\/cm3<\/sup><\/span><\/strong><\/td>\n2,7 g\/cm3<\/sup><\/span><\/strong><\/td>\n<\/tr>\n
Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/span><\/td>\n200 MPa<\/span><\/strong><\/td>\n90 MPa (puro), 600 MPa (ligas)<\/span><\/strong><\/td>\n<\/tr>\n
For\u00e7a de rendimento<\/span><\/td>\nN\/D<\/span><\/strong><\/td>\n11 MPa (puro), 400 MPa (ligas)<\/span><\/strong><\/td>\n<\/tr>\n
M\u00f3dulo de elasticidade de Young<\/span><\/td>\n74,4 GPa<\/span><\/strong><\/td>\n70 GPa<\/span><\/strong><\/td>\n<\/tr>\n
Escala de Mohs<\/span><\/td>\nN\/D<\/span><\/strong><\/td>\n2,8<\/span><\/strong><\/td>\n<\/tr>\n
Dureza Brinell<\/span><\/td>\n740 – 1200 MPa<\/span><\/strong><\/td>\n240 MPa<\/span><\/strong><\/td>\n<\/tr>\n
Dureza Vickers<\/span><\/td>\nN\/D<\/span><\/strong><\/td>\n167 MPa<\/span><\/strong><\/td>\n<\/tr>\n
Ponto de fus\u00e3o<\/span><\/td>\n1541 \u00b0C<\/span><\/strong><\/td>\n660 \u00b0C<\/span><\/strong><\/td>\n<\/tr>\n
Ponto de ebuli\u00e7\u00e3o<\/span><\/td>\n2830 \u00b0C<\/span><\/strong><\/td>\n2467 \u00b0C<\/span><\/strong><\/td>\n<\/tr>\n
Condutividade t\u00e9rmica<\/span><\/td>\n15,8 W\/mK<\/span><\/strong><\/td>\n237 W\/mK<\/span><\/strong><\/td>\n<\/tr>\n
Coeficiente de Expans\u00e3o T\u00e9rmica<\/span><\/td>\n10,2 \u00b5m\/mK<\/span><\/strong><\/td>\n23,1 \u00b5m\/mK<\/span><\/strong><\/td>\n<\/tr>\n
Calor espec\u00edfico<\/span><\/td>\n0,6 J\/gK<\/span><\/span><\/strong><\/td>\n0,9 J\/gK<\/span><\/strong><\/td>\n<\/tr>\n
Calor de fus\u00e3o<\/span><\/td>\n14,1 kJ\/mol<\/span><\/strong><\/td>\n10,79 kJ\/mol<\/span><\/strong><\/td>\n<\/tr>\n
Calor da vaporiza\u00e7\u00e3o<\/span><\/td>\n314,2 kJ\/mol<\/span><\/span><\/strong><\/td>\n293,4 kJ\/mol<\/span><\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas do esc\u00e2ndio e do alum\u00ednio, dois elementos qu\u00edmicos compar\u00e1veis \u200b\u200bda tabela peri\u00f3dica.\u00a0Ele tamb\u00e9m cont\u00e9m descri\u00e7\u00f5es b\u00e1sicas e aplica\u00e7\u00f5es de ambos os elementos.\u00a0Esc\u00e2ndio vs. Alum\u00ednio. Fonte: 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":"\nEsc\u00e2ndio e Alum\u00ednio - Compara\u00e7\u00e3o - Propriedades - Material Properties<\/title>\n<meta name=\"description\" content=\"Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas do esc\u00e2ndio e do alum\u00ednio, dois elementos qu\u00edmicos compar\u00e1veis da tabela peri\u00f3dica. Ele tamb\u00e9m cont\u00e9m descri\u00e7\u00f5es b\u00e1sicas e aplica\u00e7\u00f5es de ambos os elementos. Esc\u00e2ndio vs Alum\u00ednio.\" \/>\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\/pt-br\/escandio-e-aluminio-comparacao-propriedades\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Esc\u00e2ndio e Alum\u00ednio - Compara\u00e7\u00e3o - Propriedades - Material Properties\" \/>\n<meta property=\"og:description\" content=\"Este artigo cont\u00e9m uma compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas do esc\u00e2ndio e do alum\u00ednio, dois elementos qu\u00edmicos compar\u00e1veis da tabela peri\u00f3dica. Ele tamb\u00e9m cont\u00e9m descri\u00e7\u00f5es b\u00e1sicas e aplica\u00e7\u00f5es de ambos os elementos. 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