{"id":117546,"date":"2022-09-30T11:30:10","date_gmt":"2022-09-30T10:30:10","guid":{"rendered":"https:\/\/material-properties.org\/holmio-e-iterbio-comparacao-propriedades\/"},"modified":"2022-09-30T11:33:31","modified_gmt":"2022-09-30T10:33:31","slug":"holmio-e-iterbio-comparacao-propriedades","status":"publish","type":"post","link":"https:\/\/material-properties.org\/pt-br\/holmio-e-iterbio-comparacao-propriedades\/","title":{"rendered":"H\u00f3lmio e It\u00e9rbio – Compara\u00e7\u00e3o – Propriedades"},"content":{"rendered":"

Este artigo cont\u00e9m a compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas de h\u00f3lmio e it\u00e9rbio, 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.\u00a0H\u00f3lmio vs. It\u00e9rbio.<\/span><\/em><\/p>\n

\"h\u00f3lmio<\/p>\n

\n
<\/span>Comparar H\u00f3lmio com outro elemento<\/div>
\n
<\/div>\n

\"It\u00e9rbio<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

\n
<\/span>Compare It\u00e9rbio com outro elemento<\/div>
\n
<\/div>\n

\"Eur\u00f3pio<\/a><\/p>\n

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

<\/div>\n
\n

H\u00f3lmio e It\u00e9rbio – Sobre Elementos<\/span><\/h2>\n

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


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

H\u00f3lmio<\/span><\/h3>\n

O h\u00f3lmio faz parte da s\u00e9rie dos lantan\u00eddeos, o h\u00f3lmio \u00e9 um elemento de terras raras.\u00a0O h\u00f3lmio \u00e9 um metal branco prateado relativamente macio e male\u00e1vel.<\/span><\/p>\n

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

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


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

It\u00e9rbio<\/span><\/h3>\n

Por causa de sua configura\u00e7\u00e3o eletr\u00f4nica de camada fechada, sua densidade e pontos de fus\u00e3o e ebuli\u00e7\u00e3o diferem significativamente da maioria dos outros lantan\u00eddeos.<\/span><\/p>\n

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

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

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

\n

\"H\u00f3lmio<\/p>\n

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

\n

\"It\u00e9rbio<\/p>\n

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

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

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

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

H\u00f3lmio e It\u00e9rbio – Aplica\u00e7\u00f5es<\/span><\/h2>\n<\/div><\/div>\n
\n
\n
\n

H\u00f3lmio<\/span><\/a><\/h3>\n

O h\u00f3lmio tem a maior for\u00e7a magn\u00e9tica de qualquer elemento e, portanto, \u00e9 usado para criar os campos magn\u00e9ticos mais fortes gerados artificialmente.\u00a0O h\u00f3lmio pode absorver n\u00eautrons, por isso \u00e9 usado em reatores nucleares para manter uma rea\u00e7\u00e3o em cadeia sob controle.\u00a0Suas ligas s\u00e3o usadas em alguns \u00edm\u00e3s.<\/span><\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n
\n
\n

It\u00e9rbio<\/span><\/a><\/h3>\n

O it\u00e9rbio est\u00e1 come\u00e7ando a encontrar uma variedade de usos, como em dispositivos de mem\u00f3ria e lasers sintoniz\u00e1veis.\u00a0Tamb\u00e9m pode ser usado como catalisador industrial e est\u00e1 sendo cada vez mais usado para substituir outros catalisadores considerados muito t\u00f3xicos e poluentes.\u00a0Uma pequena quantidade de it\u00e9rbio \u00e9 usada para adicionar resist\u00eancia a tipos espec\u00edficos de a\u00e7o.\u00a0O it\u00e9rbio tamb\u00e9m pode ser usado como dopante para ajudar a melhorar o refinamento do gr\u00e3o, a resist\u00eancia e outras propriedades mec\u00e2nicas do a\u00e7o inoxid\u00e1vel.<\/span><\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

H\u00f3lmio e It\u00e9rbio – 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>\nH\u00f3lmio<\/span><\/b><\/td>\nIt\u00e9rbio<\/span><\/b><\/td>\n<\/tr>\n
Densidade<\/span><\/td>\n8,795 g\/cm3<\/sup><\/span><\/strong><\/td>\n6,57 g\/cm3<\/sup><\/span><\/strong><\/td>\n<\/tr>\n
Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/span><\/td>\n260 MPa<\/span><\/strong><\/td>\n69 MPa<\/span><\/strong><\/td>\n<\/tr>\n
For\u00e7a de rendimento<\/span><\/td>\n220 MPa<\/span><\/strong><\/td>\n66 MPa<\/span><\/strong><\/td>\n<\/tr>\n
M\u00f3dulo de elasticidade de Young<\/span><\/td>\n64,8 GPa<\/span><\/strong><\/td>\n23,9 GPa<\/span><\/strong><\/td>\n<\/tr>\n
Escala de Mohs<\/span><\/td>\nN\/D<\/span><\/strong><\/td>\nN\/D<\/span><\/strong><\/td>\n<\/tr>\n
Dureza Brinell<\/span><\/td>\n750 MPa<\/span><\/strong><\/td>\n340 MPa<\/span><\/strong><\/td>\n<\/tr>\n
Dureza Vickers<\/span><\/td>\n490 MPa<\/span><\/strong><\/td>\n210 MPa<\/span><\/strong><\/td>\n<\/tr>\n
Ponto de fus\u00e3o<\/span><\/td>\n1474 \u00b0C<\/span><\/strong><\/td>\n819 \u00b0C<\/span><\/strong><\/td>\n<\/tr>\n
Ponto de ebuli\u00e7\u00e3o<\/span><\/td>\n2600 \u00b0C<\/span><\/strong><\/td>\n1196 \u00b0C<\/span><\/strong><\/td>\n<\/tr>\n
Condutividade t\u00e9rmica<\/span><\/td>\n16 W\/mK<\/span><\/strong><\/td>\n39 W\/mK<\/span><\/strong><\/td>\n<\/tr>\n
Coeficiente de Expans\u00e3o T\u00e9rmica<\/span><\/td>\n11,2 \u00b5m\/mK<\/span><\/strong><\/td>\n26,3 \u00b5m\/mK<\/span><\/strong><\/td>\n<\/tr>\n
Calor espec\u00edfico<\/span><\/td>\n0,16 J\/gK<\/span><\/span><\/strong><\/td>\n0,15 J\/gK<\/span><\/strong><\/td>\n<\/tr>\n
Calor de fus\u00e3o<\/span><\/td>\n12,2 kJ\/mol<\/span><\/strong><\/td>\n7,66 kJ\/mol<\/span><\/strong><\/td>\n<\/tr>\n
Calor da vaporiza\u00e7\u00e3o<\/span><\/td>\n241 kJ\/mol<\/span><\/span><\/strong><\/td>\n128,9 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 a compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas de h\u00f3lmio e it\u00e9rbio, 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.\u00a0H\u00f3lmio vs. It\u00e9rbio. 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":"\nH\u00f3lmio e It\u00e9rbio - Compara\u00e7\u00e3o - Propriedades - Material Properties<\/title>\n<meta name=\"description\" content=\"Este artigo cont\u00e9m a compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas de h\u00f3lmio e it\u00e9rbio, 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. H\u00f3lmio vs. It\u00e9rbio.\" \/>\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\/holmio-e-iterbio-comparacao-propriedades\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u00f3lmio e It\u00e9rbio - Compara\u00e7\u00e3o - Propriedades - Material Properties\" \/>\n<meta property=\"og:description\" content=\"Este artigo cont\u00e9m a compara\u00e7\u00e3o das principais propriedades t\u00e9rmicas e at\u00f4micas de h\u00f3lmio e it\u00e9rbio, 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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