{"id":119721,"date":"2023-02-08T21:04:16","date_gmt":"2023-02-08T20:04:16","guid":{"rendered":"https:\/\/material-properties.org\/eletron-21-uns-m12310-liga-de-magnesio-definicao\/"},"modified":"2023-02-17T07:59:54","modified_gmt":"2023-02-17T06:59:54","slug":"eletron-21-uns-m12310-liga-de-magnesio-definicao","status":"publish","type":"post","link":"https:\/\/material-properties.org\/pt-br\/eletron-21-uns-m12310-liga-de-magnesio-definicao\/","title":{"rendered":"El\u00e9tron 21 &#8211; UNS M12310 &#8211; Liga de Magn\u00e9sio &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<p><span><div class=\"su-quote su-quote-style-default\"><div class=\"su-quote-inner su-u-clearfix su-u-trim\">Elektron 21, designado por UNS M12310, \u00e9 uma das ligas com excelente resist\u00eancia \u00e0 corros\u00e3o e fundibilidade.\u00a0Os produtos fundidos possuem uma microestrutura de gr\u00e3o fino e estanqueidade \u00e0 press\u00e3o.<\/div><\/div><\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p><span><div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><strong><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/magnesium-alloy-elektron-image-min.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-29738\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/magnesium-alloy-elektron-image-min-300x300.png\" alt=\"Ligas de magn\u00e9sio\" width=\"300\" height=\"300\" \/><\/a><span>Ligas de magn\u00e9sio<\/span><\/strong><span>\u00a0s\u00e3o misturas de magn\u00e9sio e outros metais de liga, geralmente alum\u00ednio, zinco, sil\u00edcio, mangan\u00eas, cobre e zirc\u00f4nio.\u00a0Como a caracter\u00edstica mais not\u00e1vel do magn\u00e9sio \u00e9 sua\u00a0<\/span><strong><span>densidade, 1,7 g\/cm<\/span><sup><span>3<\/span><\/sup><\/strong><span>, suas ligas s\u00e3o usadas onde o peso leve \u00e9 \u200b\u200buma considera\u00e7\u00e3o importante (por exemplo, em componentes de aeronaves).\u00a0O magn\u00e9sio tem o\u00a0<\/span><strong><span>ponto de fus\u00e3o mais baixo <\/span><\/strong><span>(923 K (1202\u00b0F)) de todos os metais alcalino-terrosos. O magn\u00e9sio puro tem uma estrutura cristalina HCP, \u00e9 relativamente macio e tem um baixo m\u00f3dulo de elasticidade: 45 GPa.\u00a0As ligas de magn\u00e9sio tamb\u00e9m possuem uma estrutura treli\u00e7ada hexagonal, que afeta as propriedades fundamentais dessas ligas.\u00a0\u00c0 temperatura ambiente, o magn\u00e9sio e suas ligas s\u00e3o dif\u00edceis de realizar trabalho a frio devido ao fato de que a deforma\u00e7\u00e3o pl\u00e1stica da rede hexagonal \u00e9 mais complicada do que em metais de rede c\u00fabica como alum\u00ednio, cobre e a\u00e7o.\u00a0Portanto, as ligas de magn\u00e9sio s\u00e3o normalmente usadas como\u00a0<\/span><strong><span>ligas fundidas<\/span><\/strong><span>.\u00a0Apesar da natureza reativa do p\u00f3 de magn\u00e9sio puro, o magn\u00e9sio met\u00e1lico e suas ligas t\u00eam boa resist\u00eancia \u00e0 corros\u00e3o.<\/span><\/p>\n<h2><span>Usos de Ligas de Magn\u00e9sio &#8211; Aplica\u00e7\u00e3o<\/span><\/h2>\n<p><strong><span>As ligas de magn\u00e9sio<\/span><\/strong><span>\u00a0s\u00e3o usadas em uma ampla variedade de aplica\u00e7\u00f5es estruturais e n\u00e3o estruturais.\u00a0As aplica\u00e7\u00f5es estruturais incluem equipamentos automotivos, industriais, de manuseio de materiais, comerciais e aeroespaciais.\u00a0As ligas de magn\u00e9sio s\u00e3o usadas para pe\u00e7as que operam em altas velocidades e, portanto, devem ser leves para minimizar as for\u00e7as de in\u00e9rcia.\u00a0As aplica\u00e7\u00f5es comerciais incluem ferramentas port\u00e1teis, laptops, malas e escadas, autom\u00f3veis (por exemplo, volantes e colunas, estruturas de assentos, caixas de transmiss\u00e3o).\u00a0Magnox (liga), cujo nome \u00e9 uma abrevia\u00e7\u00e3o de &#8220;magn\u00e9sio n\u00e3o oxidante&#8221;, \u00e9 99% de magn\u00e9sio e 1% de alum\u00ednio e \u00e9 usado no revestimento de varetas de combust\u00edvel em reatores de energia nuclear magnox.<\/span><\/p>\n<h2><span>Elektron 21 &#8211; UNS M12310<\/span><\/h2>\n<p><span>Em geral,\u00a0<\/span><strong><span>Elektron<\/span><\/strong><span>\u00a0\u00e9 a marca registrada de uma ampla gama de ligas de magn\u00e9sio fabricadas pela empresa brit\u00e2nica Magnesium Elektron Limited.\u00a0<\/span><strong><span>Elektron 21<\/span><\/strong><span>, designado por UNS M12310, \u00e9 uma das ligas com excelente resist\u00eancia \u00e0 corros\u00e3o e fundibilidade.\u00a0Os produtos fundidos possuem uma microestrutura de gr\u00e3o fino e estanqueidade \u00e0 press\u00e3o.\u00a0Esta liga pode ser facilmente usinada.\u00a0As aplica\u00e7\u00f5es incluem automobilismo e aeroespacial, pois possui alta resist\u00eancia, peso leve e possui excelentes caracter\u00edsticas de amortecimento de vibra\u00e7\u00f5es.<\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div><\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/03\/elektron-21-properties-density-strength-price.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-108341\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/03\/elektron-21-properties-density-strength-price.png\" alt=\"elektron 21 propriedades densidade for\u00e7a pre\u00e7o\" width=\"500\" height=\"500\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/03\/elektron-21-properties-density-strength-price.png 1000w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/03\/elektron-21-properties-density-strength-price-300x300.png 300w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/03\/elektron-21-properties-density-strength-price-150x150.png 150w, https:\/\/material-properties.org\/wp-content\/uploads\/2021\/03\/elektron-21-properties-density-strength-price-768x768.png 768w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div><\/span><\/p>\n<h3 style=\"text-align: center;\"><span>Resumo<\/span><\/h3>\n<table class=\"a\">\n<tbody>\n<tr class=\"b\">\n<td style=\"text-align: center;\"><span>Nome<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>Elektron 21<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Fase em STP<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>N\/D<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Densidade<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>1800 kg\/m<sup>3<\/sup><\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>280 MPa<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>For\u00e7a de Rendimento<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>145 MPa<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>M\u00f3dulo de elasticidade de Young<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>45 GPa<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Dureza Brinell<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>70 BHN<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Ponto de fus\u00e3o<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>550-640\u00b0C<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Condutividade t\u00e9rmica<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>116 W\/mK<\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Capacidade de calor<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span style=\"text-align: start;\"><span>900 J\/gK<\/span><\/span><\/strong><\/td>\n<\/tr>\n<tr class=\"c\">\n<td style=\"text-align: center;\"><span>Pre\u00e7o<\/span><\/td>\n<td style=\"text-align: center;\"><strong><span>40 $\/kg<\/span><\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div><\/span><\/p>\n<h2><span>Composi\u00e7\u00e3o do Elektron 21 &#8211; UNS M12310<\/span><\/h2>\n<p><span>Elektron 21 &#8211; UNS M12310 si composto de Magn\u00e9sio (96%), Neod\u00edmio (3%) e Gadol\u00ednio (1%).\u00a0<\/span><\/p><\/div><\/div> <div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p style=\"text-align: center;\"><span style=\"font-size: 50px;\"><span>96%<\/span><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Magnesium-periodic-table.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-92399\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Magnesium-periodic-table-150x150.png\" alt=\"Magn\u00e9sio na Tabela Peri\u00f3dica\" width=\"150\" height=\"150\" \/><\/a><\/span><\/p>\n<p><span><\/span><\/p><\/div><\/div> <div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p style=\"text-align: center;\"><span style=\"font-size: 50px;\"><span>3%<\/span><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Neodymium-periodic-table.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-92414\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Neodymium-periodic-table-150x150.png\" alt=\"Neod\u00edmio na Tabela Peri\u00f3dica\" width=\"150\" height=\"150\" \/><\/a><\/span><\/p>\n<p><span><\/span><\/p><\/div><\/div> <div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p style=\"text-align: center;\"><span style=\"font-size: 50px;\"><span>1%<\/span><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Gadolinium-periodic-table.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-92163\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/09\/Gadolinium-periodic-table-150x150.png\" alt=\"Gadol\u00ednio na Tabela Peri\u00f3dica\" width=\"150\" height=\"150\" \/><\/a><\/span><\/p>\n<p><span><\/span><\/p><\/div><\/div> <div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"> <\/div><\/div><\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div><\/span><\/p>\n<h2><span>Aplica\u00e7\u00f5es do Elektron 21 &#8211; UNS M12310<\/span><\/h2>\n<p><span>As aplica\u00e7\u00f5es incluem automobilismo e aeroespacial, pois possui alta resist\u00eancia, peso leve e possui excelentes caracter\u00edsticas de amortecimento de vibra\u00e7\u00e3o.\u00a0As ligas de magn\u00e9sio s\u00e3o usadas em uma ampla variedade de aplica\u00e7\u00f5es estruturais e n\u00e3o estruturais.\u00a0As aplica\u00e7\u00f5es estruturais incluem equipamentos automotivos, industriais, de manuseio de materiais, comerciais e aeroespaciais.\u00a0As ligas de magn\u00e9sio s\u00e3o usadas para pe\u00e7as que operam em altas velocidades e, portanto, devem ser leves para minimizar as for\u00e7as de in\u00e9rcia.\u00a0As aplica\u00e7\u00f5es comerciais incluem ferramentas port\u00e1teis, laptops, malas e escadas, autom\u00f3veis (por exemplo, volantes e colunas, estruturas de assentos, caixas de transmiss\u00e3o).\u00a0<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div><\/span><\/p>\n<h2><span>Propriedades Mec\u00e2nicas do Elektron 21 &#8211; UNS M12310<\/span><\/h2>\n<h3><span>For\u00e7a do Elektron 21<\/span><\/h3>\n<p><span>Na mec\u00e2nica dos materiais, a\u00a0<\/span><strong><span>resist\u00eancia de um material<\/span><\/strong><span>\u00a0\u00e9 sua capacidade de suportar uma carga aplicada sem falha ou deforma\u00e7\u00e3o pl\u00e1stica.\u00a0<\/span><strong><span>A resist\u00eancia dos materiais<\/span><\/strong><span>\u00a0considera basicamente a rela\u00e7\u00e3o entre as\u00a0<\/span><strong><span>cargas externas aplicadas a um material e a\u00a0<\/span><\/strong><strong><span>deforma\u00e7\u00e3o<\/span><\/strong><span>\u00a0resultante\u00a0ou mudan\u00e7a nas dimens\u00f5es do material.\u00a0Ao projetar estruturas e m\u00e1quinas, \u00e9 importante considerar esses fatores, para que o material selecionado tenha resist\u00eancia adequada para resistir a cargas ou for\u00e7as aplicadas e mantenha sua forma original.<\/span><\/p>\n<p><strong><span>A resist\u00eancia de um material<\/span><\/strong><span>\u00a0\u00e9 sua capacidade de suportar essa carga aplicada sem falha ou deforma\u00e7\u00e3o pl\u00e1stica.\u00a0Para tens\u00e3o de tra\u00e7\u00e3o, a capacidade de um material ou estrutura para suportar cargas que tendem a se alongar \u00e9 conhecida como resist\u00eancia \u00e0 tra\u00e7\u00e3o final (UTS).\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-yield-strength-yield-point-definition\/\"><span>A resist\u00eancia ao escoamento<\/span><\/a><span>\u00a0ou tens\u00e3o de escoamento \u00e9 a propriedade do material definida como o estresse no qual um material come\u00e7a a se deformar plasticamente, enquanto o ponto de escoamento \u00e9 o ponto onde come\u00e7a a deforma\u00e7\u00e3o n\u00e3o linear (el\u00e1stica + pl\u00e1stica).\u00a0No caso de tens\u00e3o de tra\u00e7\u00e3o de uma barra uniforme (curva tens\u00e3o-deforma\u00e7\u00e3o), a <\/span><a href=\"https:\/\/material-properties.org\/what-is-hookes-law-definition\/\"><b><span>lei de Hooke<\/span><\/b><\/a><span>\u00a0descreve o comportamento de uma barra na regi\u00e3o el\u00e1stica.\u00a0M\u00f3dulo\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-youngs-modulus-of-elasticity-definition\/\"><span>de elasticidade de Young<\/span><\/a>\u00a0<span>\u00e9 o m\u00f3dulo de elasticidade para tens\u00e3o de tra\u00e7\u00e3o e compress\u00e3o no regime de elasticidade linear de uma deforma\u00e7\u00e3o uniaxial e geralmente \u00e9 avaliado por ensaios de tra\u00e7\u00e3o.<\/span><\/p>\n<p><span>Veja tamb\u00e9m:\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-strength-definition\/\"><span>Resist\u00eancia dos Materiais<\/span><\/a><\/p>\n<h3><span>Resist\u00eancia \u00e0 tra\u00e7\u00e3o m\u00e1xima do Elektron 21<\/span><\/h3>\n<p><span>A resist\u00eancia \u00e0 tra\u00e7\u00e3o final do Elektron 21 \u00e9 de 280 MPa.<\/span><\/p>\n<h3><span>For\u00e7a de rendimento de Elektron 21<\/span><\/h3>\n<p><span>A resist\u00eancia ao escoamento do Elektron 21\u00a0<\/span><span>\u00e9 de 145 MPa.<\/span><\/p>\n<h3><span>M\u00f3dulo de Elasticidade do Elektron 21<\/span><\/h3>\n<p><span>O m\u00f3dulo de elasticidade de Young do Elektron 21 \u00e9 de 45 GPa.<\/span><\/p>\n<h3><span>Dureza do Elektron 21<\/span><\/h3>\n<p><span>Na ci\u00eancia dos materiais, <\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/hardness\/\"><strong><span>a dureza<\/span><\/strong><\/a><span> \u00e9 a capacidade de resistir\u00a0\u00a0<\/span><strong><span>\u00e0 indenta\u00e7\u00e3o da superf\u00edcie<\/span><\/strong><span>\u00a0(<\/span><strong><span>deforma\u00e7\u00e3o pl\u00e1stica localizada<\/span><\/strong><span>) e\u00a0<\/span><strong><span>arranh\u00f5es<\/span><\/strong><span>.\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/hardness\/brinell-hardness-test\/\"><strong><span>O teste de dureza Brinell<\/span><\/strong><\/a><span> \u00e9 um dos testes de dureza de indenta\u00e7\u00e3o, que foi desenvolvido para testes de dureza.\u00a0Nos testes Brinell, um <\/span><strong><span>penetrador esf\u00e9rico<\/span><\/strong><span>\u00a0e duro \u00e9 for\u00e7ado sob uma carga espec\u00edfica na superf\u00edcie do metal a ser testado.<\/span><\/p>\n<p><span>O <\/span><strong><span>n\u00famero de dureza Brinell<\/span><\/strong><span>\u00a0(HB) \u00e9 a carga dividida pela \u00e1rea da superf\u00edcie da indenta\u00e7\u00e3o.\u00a0O di\u00e2metro da impress\u00e3o \u00e9 medido com um microsc\u00f3pio com uma escala sobreposta.\u00a0O n\u00famero de dureza Brinell \u00e9 calculado a partir da equa\u00e7\u00e3o:<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/brinell-hardness-number-definition.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-90677\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/brinell-hardness-number-definition.png\" sizes=\"(max-width: 320px) 100vw, 320px\" srcset=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/brinell-hardness-number-definition.png 320w, https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/brinell-hardness-number-definition-300x178.png 300w\" alt=\"n\u00famero de dureza Brinell - defini\u00e7\u00e3o\" width=\"320\" height=\"190\" \/><\/a><\/p>\n<p><span>A dureza Brinell do Elektron 21 \u00e9 de aproximadamente 70 BHN (convertido).<\/span><\/p>\n<p><span>Veja tamb\u00e9m:\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-hardness-definition\/\"><span>Dureza dos Materiais<\/span><\/a><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div> <div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<h3 style=\"text-align: center;\"><span>Resist\u00eancia dos materiais<\/span><\/h3>\n<p><a href=\"https:\/\/material-properties.org\/strength-of-materials-tensile-yield\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-108070 size-medium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/02\/Material-Table-Strength-of-Materials-300x182.png\" alt=\"Tabela de Materiais - Resist\u00eancia dos Materiais\" width=\"300\" height=\"182\" \/><\/a><span><\/span><\/p><\/div><\/div> <div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<h3 style=\"text-align: center;\"><span>Elasticidade dos Materiais<\/span><\/h3>\n<p><a href=\"https:\/\/material-properties.org\/elasticity-of-materials\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-108080 size-medium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/02\/Material-Table-Elasticity-of-Materials-300x185.png\" alt=\"Tabela de Materiais - Elasticidade dos Materiais\" width=\"300\" height=\"185\" \/><\/a><span><\/span><\/p><\/div><\/div> <div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<h3 style=\"text-align: center;\"><span>Dureza dos Materiais<\/span><\/h3>\n<p><a href=\"https:\/\/material-properties.org\/hardness-of-materials-brinell-mohs\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-108085 size-medium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/02\/Material-Table-Hardness-of-Materials-300x182.png\" alt=\"Tabela de Materiais - Dureza dos Materiais\" width=\"300\" height=\"182\" \/><\/a><span>\u00a0 <\/span><\/p><\/div><\/div> <div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div><\/span><\/p>\n<h2><span>Propriedades T\u00e9rmicas do Elektron 21 &#8211; UNS M12310<\/span><\/h2>\n<h3><span>Elektron 21 &#8211; Ponto de Fus\u00e3o<\/span><\/h3>\n<p><strong><span>O ponto de fus\u00e3o do Elektron 21 \u00e9 550-640<\/span><\/strong><strong><span>\u00b0C<\/span><\/strong><span>.<\/span><\/p>\n<p><span>Observe que esses pontos est\u00e3o associados \u00e0 press\u00e3o atmosf\u00e9rica padr\u00e3o.\u00a0Em geral, <\/span><strong><span>a fus\u00e3o<\/span><\/strong><span> \u00e9 uma <\/span><strong><span>mudan\u00e7a de fase<\/span><\/strong><span> de uma subst\u00e2ncia da fase s\u00f3lida para a fase l\u00edquida.\u00a0O\u00a0<\/span><strong><span>ponto de fus\u00e3o<\/span><\/strong><span> de uma subst\u00e2ncia \u00e9 a temperatura na qual ocorre essa mudan\u00e7a de fase. O\u00a0<\/span><strong><span>ponto de fus\u00e3o<\/span><\/strong><span>\u00a0tamb\u00e9m define uma condi\u00e7\u00e3o na qual o s\u00f3lido e o l\u00edquido podem existir em equil\u00edbrio.\u00a0Para v\u00e1rios compostos qu\u00edmicos e ligas, \u00e9 dif\u00edcil definir o ponto de fus\u00e3o, pois geralmente s\u00e3o uma mistura de v\u00e1rios elementos qu\u00edmicos.<\/span><\/p>\n<h3><span>Elektron 21 &#8211; Condutividade T\u00e9rmica<\/span><\/h3>\n<p><span>A condutividade t\u00e9rmica do Elektron 21 \u00e9\u00a0<\/span><strong><span>116\u00a0<\/span><\/strong><strong><span>W\/(m\u00b7K)<\/span><\/strong><span>.<\/span><\/p>\n<p><span>As caracter\u00edsticas de transfer\u00eancia de calor de um material s\u00f3lido s\u00e3o medidas por uma propriedade chamada <\/span><strong><span>condutividade t\u00e9rmica<\/span><\/strong><span>, k (ou \u03bb), medida em <\/span><strong><span>W\/mK<\/span><\/strong><span>.\u00a0\u00c9 uma medida da capacidade de uma subst\u00e2ncia de transferir calor atrav\u00e9s de um material por\u00a0<\/span><a href=\"https:\/\/www.thermal-engineering.org\/what-is-thermal-conduction-heat-conduction-definition\/\"><span>condu\u00e7\u00e3o<\/span><\/a><span>.\u00a0Observe que\u00a0<\/span><a href=\"https:\/\/www.thermal-engineering.org\/what-is-fouriers-law-of-thermal-conduction-definition\/\"><strong><span>a lei de Fourier<\/span><\/strong><\/a><span> se aplica a toda mat\u00e9ria, independentemente de seu estado (s\u00f3lido, l\u00edquido ou gasoso), portanto, tamb\u00e9m \u00e9 definida para l\u00edquidos e gases.<\/span><\/p>\n<p><span>A <\/span><a href=\"https:\/\/www.thermal-engineering.org\/what-is-thermal-conductivity-definition\/\"><strong><span>condutividade t\u00e9rmica<\/span><\/strong><\/a><span> da maioria dos l\u00edquidos e s\u00f3lidos varia com a temperatura.\u00a0Para vapores, tamb\u00e9m depende da press\u00e3o.\u00a0Em geral:<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/thermal-conductivity-definition.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-88793\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/thermal-conductivity-definition.png\" alt=\"condutividade t\u00e9rmica - defini\u00e7\u00e3o\" width=\"225\" height=\"75\" \/><\/a><\/p>\n<p><span>A maioria dos materiais s\u00e3o quase homog\u00eaneos, portanto podemos geralmente escrever <\/span><strong><em><span>k = k (T)<\/span><\/em><\/strong><span>.\u00a0Defini\u00e7\u00f5es semelhantes est\u00e3o associadas \u00e0s condutividades t\u00e9rmicas nas dire\u00e7\u00f5es y e z (ky, kz), mas para um material isotr\u00f3pico a condutividade t\u00e9rmica \u00e9 independente da dire\u00e7\u00e3o de transfer\u00eancia, kx = ky = kz = k.<\/span><\/p>\n<h3><span>Elektron 21 &#8211; Calor Espec\u00edfico<\/span><\/h3>\n<p><strong><span>O calor espec\u00edfico do Elektron 21\u00a0<\/span><\/strong><strong><span>\u00e9 900<\/span><\/strong><strong><span>\u00a0J\/gK<\/span><\/strong><span>.<\/span><\/p>\n<p><strong><span>O calor espec\u00edfico, ou capacidade t\u00e9rmica espec\u00edfica,<\/span><\/strong><span>\u00a0\u00e9 uma propriedade relacionada \u00e0\u00a0<strong><a href=\"https:\/\/www.thermal-engineering.org\/what-is-internal-energy-thermal-energy-definition\/\">energia interna<\/a><\/strong> muito importante na termodin\u00e2mica. As\u00a0<strong>propriedades intensivas <\/strong><strong><em>c<\/em><\/strong><strong><em><sub>v<\/sub><\/em><\/strong>\u00a0e\u00a0<strong><em>c<\/em><\/strong><strong><em><sub>p<\/sub><\/em><\/strong> s\u00e3o definidas para subst\u00e2ncias compress\u00edveis puras e simples como derivadas parciais da\u00a0<strong>energia interna <\/strong><strong><em>u(T, v)<\/em><\/strong> e <strong>entalpia <\/strong><strong><em>h(T, p)<\/em><\/strong>, respectivamente:<\/span><strong>\u00a0<\/strong><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/Specific-Heat-at-Constant-Volume-and-Constant-Pressure.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-87689\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/Specific-Heat-at-Constant-Volume-and-Constant-Pressure.png\" alt=\"\" width=\"106\" height=\"138\" \/><\/a><\/p>\n<p><span>onde os subscritos <\/span><strong><span>v<\/span><\/strong><span> e\u00a0<\/span><strong><span>p<\/span><\/strong><span> denotam as vari\u00e1veis \u200b\u200bmantidas fixas durante a diferencia\u00e7\u00e3o. As propriedades\u00a0<\/span><strong><span>c<\/span><sub><span>v<\/span><\/sub> <\/strong><span>e <\/span><strong><span>c<\/span><sub><span>p<\/span><\/sub><\/strong><span> s\u00e3o referidas como <\/span><strong><span>calores espec\u00edficos<\/span><\/strong><span>\u00a0(ou\u00a0<\/span><strong><span>capacidades de calor<\/span><\/strong><span>) porque, sob certas condi\u00e7\u00f5es especiais, elas relacionam a mudan\u00e7a de temperatura de um sistema com a quantidade de energia adicionada pela transfer\u00eancia de calor. Suas unidades SI s\u00e3o\u00a0<\/span><strong><span>J\/kgK<\/span><\/strong><span>\u00a0ou\u00a0<\/span><strong><span>J\/molK<\/span><\/strong><span>.<\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div> <div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<h3 style=\"text-align: center;\"><span>Ponto de Fus\u00e3o dos Materiais<\/span><\/h3>\n<p><a href=\"https:\/\/material-properties.org\/melting-point-of-materials\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-108050 size-medium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/02\/Material-Table-Metling-Point-300x183.png\" alt=\"Tabela de Materiais - Ponto de Fus\u00e3o\" width=\"300\" height=\"183\" \/><\/a><span><\/span><\/p><\/div><\/div> <div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<h3 style=\"text-align: center;\"><span>Condutividade T\u00e9rmica de Materiais<\/span><\/h3>\n<p><a href=\"https:\/\/material-properties.org\/thermal-conductivity-of-materials\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-108055 size-medium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/02\/Material-Table-Thermal-Conductivity-300x180.png\" alt=\"Tabela de Materiais - Condutividade T\u00e9rmica\" width=\"300\" height=\"180\" \/><\/a><span><\/span><\/p><\/div><\/div> <div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<h3 style=\"text-align: center;\"><span>Capacidade T\u00e9rmica de Materiais<\/span><\/h3>\n<p><a href=\"https:\/\/material-properties.org\/heat-capacity-of-materials\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-108063 size-medium\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2021\/02\/Material-Table-Heat-Capacity-300x179.png\" alt=\"Tabela de Materiais - Capacidade T\u00e9rmica\" width=\"300\" height=\"179\" \/><\/a><\/p>\n<h3 style=\"text-align: center;\"><\/h3>\n<p><span><\/span><\/p><\/div><\/div> <div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:3px;border-color:#999999\"><\/div><\/span><\/p>\n<h2><span>Propriedades e pre\u00e7os de outros materiais<\/span><\/h2>\n<p><span>tabela de materiais em resolu\u00e7\u00e3o de 8k<\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:20px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span><div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><span><div class=\"su-accordion su-u-trim\"><div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Refer\u00eancias:<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">Ci\u00eancia dos Materiais:<\/div><\/div><\/div><\/span><\/p>\n<p><span>Departamento de Energia dos EUA, Ci\u00eancia de Materiais.\u00a0DOE Fundamentals Handbook, Volume 1 e 2. Janeiro de 1993.<\/span><br \/>\n<span>Departamento de Energia dos EUA, Ci\u00eancia de Materiais.\u00a0DOE Fundamentals Handbook, Volume 2 e 2. Janeiro de 1993.<\/span><br \/>\n<span>William D. Callister, David G. Rethwisch.\u00a0Ci\u00eancia e Engenharia de Materiais: Uma Introdu\u00e7\u00e3o 9\u00aa Edi\u00e7\u00e3o, Wiley;\u00a09 edi\u00e7\u00e3o (4 de dezembro de 2013), ISBN-13: 978-1118324578.<\/span><br \/>\n<span>Eberhart, Mark (2003).\u00a0Por que as coisas quebram: entendendo o mundo pela maneira como ele se desfaz.\u00a0Harmonia.\u00a0ISBN 978-1-4000-4760-4.<\/span><br \/>\n<span>Gaskell, David R. (1995).\u00a0Introdu\u00e7\u00e3o \u00e0 Termodin\u00e2mica dos Materiais (4\u00aa ed.).\u00a0Editora Taylor e Francis.\u00a0ISBN 978-1-56032-992-3.<\/span><br \/>\n<span>Gonz\u00e1lez-Vi\u00f1as, W. &amp; Mancini, HL (2004).\u00a0Uma Introdu\u00e7\u00e3o \u00e0 Ci\u00eancia dos Materiais.\u00a0Princeton University Press.\u00a0ISBN 978-0-691-07097-1.<\/span><br \/>\n<span>Ashby, Michael;\u00a0Hugh Shercliff;\u00a0David Cebon (2007).\u00a0Materiais: engenharia, ci\u00eancia, processamento e design (1\u00aa ed.).\u00a0Butterworth-Heinemann.\u00a0ISBN 978-0-7506-8391-3.<\/span><br \/>\n<span>JR Lamarsh, AJ Baratta, Introdu\u00e7\u00e3o \u00e0 Engenharia Nuclear, 3\u00aa ed., Prentice-Hall, 2001, ISBN: 0-201-82498-1.<\/span><br \/>\n<span><\/span><\/p><\/div><\/div><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><div class=\"su-divider su-divider-style-default\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><\/div><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><span>Veja acima:<\/span><br \/>\n<span>Ligas de magn\u00e9sio<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/alloys-composition-properties-of-metal-alloys\/magnesium-alloys\/ \" class=\"su-button su-button-style-flat\" style=\"color:#606060;background-color:#ffffff;border-color:#cccccc;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px\" target=\"_self\"><span style=\"color:#606060;padding:7px 20px;font-size:16px;line-height:24px;border-color:#ffffff;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px;text-shadow:0px 0px 0px #000000;-moz-text-shadow:0px 0px 0px #000000;-webkit-text-shadow:0px 0px 0px #000000\"><i class=\"sui sui-link\" style=\"font-size:16px;color:#5d5d5d\"><\/i> <\/span><\/a><\/span><\/p><\/div><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><\/div><\/div><\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p><span>Esperamos que este artigo,\u00a0<\/span><strong><span>Elektron 21 &#8211; UNS M12310 &#8211; Liga de Magn\u00e9sio<\/span><\/strong><span>, o ajude.\u00a0Se sim,\u00a0<\/span><strong><span>d\u00ea um like<\/span><\/strong><span>\u00a0na barra lateral.\u00a0O objetivo principal deste site \u00e9 ajudar o p\u00fablico a aprender algumas informa\u00e7\u00f5es interessantes e importantes sobre materiais e suas propriedades.<\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aplica\u00e7\u00f5es do Elektron 21 &#8211; UNS M12310 As aplica\u00e7\u00f5es incluem automobilismo e aeroespacial, pois possui alta resist\u00eancia, peso leve e possui excelentes caracter\u00edsticas de amortecimento de vibra\u00e7\u00e3o.\u00a0As ligas de magn\u00e9sio s\u00e3o usadas em uma ampla variedade de aplica\u00e7\u00f5es estruturais e n\u00e3o estruturais.\u00a0As aplica\u00e7\u00f5es estruturais incluem equipamentos automotivos, industriais, de manuseio de materiais, comerciais e aeroespaciais.\u00a0As &#8230; <a title=\"El\u00e9tron 21 &#8211; UNS M12310 &#8211; Liga de Magn\u00e9sio &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/material-properties.org\/pt-br\/eletron-21-uns-m12310-liga-de-magnesio-definicao\/\">Ler mais&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O que \u00e9 Elektron 21 - UNS M12310 - Liga de Magn\u00e9sio - Defini\u00e7\u00e3o | Propriedades do material<\/title>\n<meta name=\"description\" content=\"Elektron 21, designado por UNS M12310, \u00e9 uma das ligas com excelente resist\u00eancia \u00e0 corros\u00e3o e fundibilidade. 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