{"id":7845,"date":"2024-10-09T14:18:36","date_gmt":"2024-10-09T06:18:36","guid":{"rendered":"https:\/\/am-material.com\/?p=7845"},"modified":"2024-08-02T14:18:49","modified_gmt":"2024-08-02T06:18:49","slug":"high-thermal-conductivity-alloy-202408022","status":"publish","type":"post","link":"https:\/\/am-material.com\/pt\/titanium-based-alloy-powder\/high-thermal-conductivity-alloy-202408022\/","title":{"rendered":"Ligas de alta condutividade t\u00e9rmica"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>Vis\u00e3o geral<\/strong><\/h2>\n\n\n\n<p><a href=\"https:\/\/am-material.com\/pt\/titanium-based-alloy-powders\/\">Ligas de alta condutividade t\u00e9rmica<\/a> s\u00e3o cruciais em v\u00e1rios setores, gra\u00e7as \u00e0 sua capacidade de transferir calor com efici\u00eancia. Essas ligas s\u00e3o projetadas para lidar com temperaturas extremas e facilitar a dissipa\u00e7\u00e3o de calor em aplica\u00e7\u00f5es que v\u00e3o da eletr\u00f4nica \u00e0 aeroespacial. Mas o que torna essas ligas t\u00e3o especiais? Vamos nos aprofundar nas especificidades das ligas de alta condutividade t\u00e9rmica, suas composi\u00e7\u00f5es, propriedades e usos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Composi\u00e7\u00e3o de ligas de alta condutividade t\u00e9rmica<\/strong><\/h2>\n\n\n\n<p>A magia das ligas de alta condutividade t\u00e9rmica est\u00e1 em sua composi\u00e7\u00e3o. V\u00e1rios p\u00f3s met\u00e1licos s\u00e3o misturados para obter o desempenho t\u00e9rmico desejado. Veja a seguir um detalhamento de alguns modelos espec\u00edficos de p\u00f3s met\u00e1licos e suas propriedades exclusivas:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Modelo de p\u00f3 met\u00e1lico<\/strong><\/th><th><strong>Composi\u00e7\u00e3o<\/strong><\/th><th><strong>Condutividade t\u00e9rmica (W\/m-K)<\/strong><\/th><th><strong>Principais propriedades<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Cobre (Cu)<\/strong><\/td><td>Cobre puro<\/td><td>398<\/td><td>Excelente condutividade e maleabilidade<\/td><\/tr><tr><td><strong>Alum\u00ednio (Al)<\/strong><\/td><td>Alum\u00ednio puro<\/td><td>235<\/td><td>Leve e resistente \u00e0 corros\u00e3o<\/td><\/tr><tr><td><strong>Prata (Ag)<\/strong><\/td><td>Prata pura<\/td><td>429<\/td><td>A mais alta condutividade, propriedades antimicrobianas<\/td><\/tr><tr><td><strong>Ouro (Au)<\/strong><\/td><td>Ouro puro<\/td><td>318<\/td><td>Excelente resist\u00eancia \u00e0 corros\u00e3o e \u00e0 oxida\u00e7\u00e3o<\/td><\/tr><tr><td><strong>Grafite (C)<\/strong><\/td><td>Carbono<\/td><td>150-500<\/td><td>Alta condutividade t\u00e9rmica e el\u00e9trica, lubricidade<\/td><\/tr><tr><td><strong>Carbeto de sil\u00edcio (SiC)<\/strong><\/td><td>SiC<\/td><td>120-270<\/td><td>Alta dureza, estabilidade qu\u00edmica<\/td><\/tr><tr><td><strong>\u00d3xido de ber\u00edlio (BeO)<\/strong><\/td><td>BeO<\/td><td>250<\/td><td>Alta condutividade t\u00e9rmica, isolamento el\u00e9trico<\/td><\/tr><tr><td><strong>Diamante (C)<\/strong><\/td><td>Carbono<\/td><td>2000<\/td><td>A mais alta condutividade t\u00e9rmica conhecida, dureza excepcional<\/td><\/tr><tr><td><strong>Nitreto de alum\u00ednio (AlN)<\/strong><\/td><td>AlN<\/td><td>140-180<\/td><td>Alta condutividade t\u00e9rmica, isolamento el\u00e9trico<\/td><\/tr><tr><td><strong>\u00d3xido de magn\u00e9sio (MgO)<\/strong><\/td><td>MgO<\/td><td>60<\/td><td>Boa condutividade t\u00e9rmica, isolamento el\u00e9trico<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"256\" height=\"216\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/D2-Powder-by-Gas-Atomizing.png\" alt=\"liga de alta condutividade t\u00e9rmica\" class=\"wp-image-7150\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/D2-Powder-by-Gas-Atomizing.png 256w, https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/D2-Powder-by-Gas-Atomizing-14x12.png 14w\" sizes=\"(max-width: 256px) 100vw, 256px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Caracter\u00edsticas de <a href=\"https:\/\/am-material.com\/pt\/titanium-based-alloy-powders\/\">Ligas de alta condutividade t\u00e9rmica<\/a><\/strong><\/h2>\n\n\n\n<p>A compreens\u00e3o das caracter\u00edsticas dessas ligas ajuda a selecionar o material certo para aplica\u00e7\u00f5es espec\u00edficas. Vamos explorar esses recursos em mais detalhes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Condutividade t\u00e9rmica<\/strong>: O principal atributo, que garante uma transfer\u00eancia de calor eficiente.<\/li>\n\n\n\n<li><strong>Resist\u00eancia \u00e0 corros\u00e3o<\/strong>: Vital para a durabilidade em ambientes adversos.<\/li>\n\n\n\n<li><strong>Condutividade el\u00e9trica<\/strong>: Importante para aplica\u00e7\u00f5es que envolvem componentes eletr\u00f4nicos.<\/li>\n\n\n\n<li><strong>Resist\u00eancia mec\u00e2nica<\/strong>: Garante que o material possa resistir a estresses f\u00edsicos.<\/li>\n\n\n\n<li><strong>Maleabilidade e ductilidade<\/strong>: Essencial para formar e moldar o material nas formas desejadas.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Tabela de caracter\u00edsticas detalhadas<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Liga met\u00e1lica<\/strong><\/th><th><strong>Condutividade t\u00e9rmica<\/strong><\/th><th><strong>Condutividade el\u00e9trica<\/strong><\/th><th><strong>Resist\u00eancia \u00e0 corros\u00e3o<\/strong><\/th><th><strong>Resist\u00eancia mec\u00e2nica<\/strong><\/th><th><strong>Maleabilidade<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Cobre (Cu)<\/strong><\/td><td>Alta<\/td><td>Excelente<\/td><td>Moderado<\/td><td>Alta<\/td><td>Excelente<\/td><\/tr><tr><td><strong>Alum\u00ednio (Al)<\/strong><\/td><td>Alta<\/td><td>Bom<\/td><td>Excelente<\/td><td>Moderado<\/td><td>Bom<\/td><\/tr><tr><td><strong>Prata (Ag)<\/strong><\/td><td>Mais alto<\/td><td>Excelente<\/td><td>Bom<\/td><td>Moderado<\/td><td>Bom<\/td><\/tr><tr><td><strong>Ouro (Au)<\/strong><\/td><td>Alta<\/td><td>Excelente<\/td><td>Excelente<\/td><td>Alta<\/td><td>Bom<\/td><\/tr><tr><td><strong>Grafite (C)<\/strong><\/td><td>Vari\u00e1vel<\/td><td>Bom<\/td><td>Bom<\/td><td>Moderado<\/td><td>Moderado<\/td><\/tr><tr><td><strong>Carbeto de sil\u00edcio (SiC)<\/strong><\/td><td>Moderado<\/td><td>Ruim<\/td><td>Excelente<\/td><td>Alta<\/td><td>Ruim<\/td><\/tr><tr><td><strong>\u00d3xido de ber\u00edlio (BeO)<\/strong><\/td><td>Alta<\/td><td>Ruim<\/td><td>Bom<\/td><td>Alta<\/td><td>Ruim<\/td><\/tr><tr><td><strong>Diamante (C)<\/strong><\/td><td>Mais alto<\/td><td>Excelente<\/td><td>Excelente<\/td><td>Mais alto<\/td><td>Ruim<\/td><\/tr><tr><td><strong>Nitreto de alum\u00ednio (AlN)<\/strong><\/td><td>Alta<\/td><td>Ruim<\/td><td>Bom<\/td><td>Moderado<\/td><td>Ruim<\/td><\/tr><tr><td><strong>\u00d3xido de magn\u00e9sio (MgO)<\/strong><\/td><td>Moderado<\/td><td>Ruim<\/td><td>Bom<\/td><td>Moderado<\/td><td>Ruim<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Aplica\u00e7\u00f5es de ligas de alta condutividade t\u00e9rmica<\/strong><\/h2>\n\n\n\n<p>Essas ligas s\u00e3o indispens\u00e1veis em v\u00e1rios setores devido \u00e0s suas propriedades exclusivas. Veja como diferentes setores aproveitam esses materiais:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Setor<\/strong><\/th><th><strong>Aplicativo<\/strong><\/th><th><strong>Liga usada<\/strong><\/th><th><strong>Motivo<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Eletr\u00f4nicos<\/strong><\/td><td>Dissipadores de calor, substratos de PCB<\/td><td>Cobre, alum\u00ednio, nitreto de alum\u00ednio<\/td><td>Alta condutividade t\u00e9rmica, boas propriedades el\u00e9tricas<\/td><\/tr><tr><td><strong>Aeroespacial<\/strong><\/td><td>Blindagens t\u00e9rmicas, componentes do motor<\/td><td>Ligas de tit\u00e2nio, carbeto de sil\u00edcio<\/td><td>Alta rela\u00e7\u00e3o for\u00e7a\/peso, resist\u00eancia ao calor<\/td><\/tr><tr><td><strong>Automotivo<\/strong><\/td><td>Pe\u00e7as de motor, componentes de freio<\/td><td>Alum\u00ednio, cobre, grafite<\/td><td>Dissipa\u00e7\u00e3o de calor leve e eficiente<\/td><\/tr><tr><td><strong>Dispositivos m\u00e9dicos<\/strong><\/td><td>Equipamentos de imagem, implantes<\/td><td>Ouro, prata, \u00f3xido de ber\u00edlio<\/td><td>Biocompatibilidade, alta condutividade<\/td><\/tr><tr><td><strong>Energia<\/strong><\/td><td>Pain\u00e9is solares, eletr\u00f4nica de pot\u00eancia<\/td><td>Cobre, grafite, carbeto de sil\u00edcio<\/td><td>Alta condutividade e durabilidade<\/td><\/tr><tr><td><strong>Telecomunica\u00e7\u00f5es<\/strong><\/td><td>Dispositivos de micro-ondas, antenas<\/td><td>Cobre, alum\u00ednio, diamante<\/td><td>Dissipa\u00e7\u00e3o de calor eficiente, propriedades el\u00e9tricas<\/td><\/tr><tr><td><strong>Eletr\u00f4nicos de consumo<\/strong><\/td><td>Smartphones, laptops<\/td><td>Cobre, alum\u00ednio, grafite<\/td><td>Gerenciamento de calor, leve<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"500\" height=\"383\" data-id=\"7178\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/316L-powder.png\" alt=\"M\u00e1quinas AM\" class=\"wp-image-7178\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/316L-powder.png 500w, https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/316L-powder-300x230.png 300w, https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/316L-powder-16x12.png 16w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"500\" height=\"440\" data-id=\"7168\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/GAS.jpg\" alt=\"G\u00e1s inerte para fus\u00e3o por indu\u00e7\u00e3o de eletrodos\" class=\"wp-image-7168\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/GAS.jpg 500w, https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/GAS-300x264.jpg 300w, https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/GAS-14x12.jpg 14w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"440\" data-id=\"7167\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/prep.png\" alt=\"sistema de atomiza\u00e7\u00e3o de ar para turbinas a g\u00e1s\" class=\"wp-image-7167\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/prep.png 500w, https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/prep-300x264.png 300w, https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/prep-14x12.png 14w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"365\" height=\"288\" data-id=\"7149\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/H13-Powder-by-PREP.png\" alt=\"processo de eletrodo rotativo\" class=\"wp-image-7149\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/H13-Powder-by-PREP.png 365w, https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/H13-Powder-by-PREP-300x237.png 300w, https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/H13-Powder-by-PREP-15x12.png 15w\" sizes=\"(max-width: 365px) 100vw, 365px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"256\" height=\"216\" data-id=\"7150\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/D2-Powder-by-Gas-Atomizing.png\" alt=\"liga de alta condutividade t\u00e9rmica\" class=\"wp-image-7150\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/D2-Powder-by-Gas-Atomizing.png 256w, https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/D2-Powder-by-Gas-Atomizing-14x12.png 14w\" sizes=\"(max-width: 256px) 100vw, 256px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"520\" height=\"392\" data-id=\"7157\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/H3.jpg\" alt=\"M\u00e1quinas VIGA\" class=\"wp-image-7157\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/H3.jpg 520w, https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/H3-300x226.jpg 300w, https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/H3-16x12.jpg 16w\" sizes=\"(max-width: 520px) 100vw, 520px\" \/><figcaption><\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Especifica\u00e7\u00f5es, tamanhos, classes e padr\u00f5es<\/strong><\/h2>\n\n\n\n<p>Ao selecionar <a href=\"https:\/\/am-material.com\/pt\/titanium-based-alloy-powders\/\">ligas de alta condutividade t\u00e9rmica<\/a>Por isso, \u00e9 fundamental considerar as especifica\u00e7\u00f5es, os tamanhos, os graus e os padr\u00f5es para garantir a compatibilidade com aplica\u00e7\u00f5es espec\u00edficas.<\/p>\n\n\n\n<p><strong>Tabela de especifica\u00e7\u00f5es<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Liga met\u00e1lica<\/strong><\/th><th><strong>Grau<\/strong><\/th><th><strong>Tamanho (mm)<\/strong><\/th><th><strong>Padr\u00e3o<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Cobre (Cu)<\/strong><\/td><td>C11000<\/td><td>1-100<\/td><td>ASTM B152<\/td><\/tr><tr><td><strong>Alum\u00ednio (Al)<\/strong><\/td><td>6061<\/td><td>0.5-150<\/td><td>ASTM B209<\/td><\/tr><tr><td><strong>Prata (Ag)<\/strong><\/td><td>999<\/td><td>0.1-50<\/td><td>ASTM B413<\/td><\/tr><tr><td><strong>Ouro (Au)<\/strong><\/td><td>24K<\/td><td>0.01-25<\/td><td>ASTM B562<\/td><\/tr><tr><td><strong>Grafite (C)<\/strong><\/td><td>HOPG<\/td><td>0.01-10<\/td><td>ISO 11439<\/td><\/tr><tr><td><strong>Carbeto de sil\u00edcio (SiC)<\/strong><\/td><td>A<\/td><td>0.1-20<\/td><td>ASTM F1892<\/td><\/tr><tr><td><strong>\u00d3xido de ber\u00edlio (BeO)<\/strong><\/td><td>HP<\/td><td>0.01-5<\/td><td>MIL-M-38510<\/td><\/tr><tr><td><strong>Diamante (C)<\/strong><\/td><td>Industrial<\/td><td>0.001-1<\/td><td>ISO 9001<\/td><\/tr><tr><td><strong>Nitreto de alum\u00ednio (AlN)<\/strong><\/td><td>Alta pureza<\/td><td>0.1-10<\/td><td>ASTM D333<\/td><\/tr><tr><td><strong>\u00d3xido de magn\u00e9sio (MgO)<\/strong><\/td><td>T\u00e9cnica<\/td><td>0.5-50<\/td><td>ASTM C572<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Detalhes de fornecedores e pre\u00e7os<\/strong><\/h2>\n\n\n\n<p>Encontrar fornecedores confi\u00e1veis e entender os pre\u00e7os \u00e9 essencial para as compras.<\/p>\n\n\n\n<p><strong>Tabela de fornecedores<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Fornecedor<\/strong><\/th><th><strong>Ligas dispon\u00edveis<\/strong><\/th><th><strong>Faixa de pre\u00e7o (por kg)<\/strong><\/th><th><strong>Localiza\u00e7\u00e3o<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Materion<\/strong><\/td><td>\u00d3xido de ber\u00edlio, nitreto de alum\u00ednio<\/td><td>$500-$1000<\/td><td>EUA<\/td><\/tr><tr><td><strong>3M<\/strong><\/td><td>Carbeto de sil\u00edcio, alum\u00ednio<\/td><td>$50-$200<\/td><td>EUA<\/td><\/tr><tr><td><strong>Metais Hitachi<\/strong><\/td><td>Cobre, grafite<\/td><td>$10-$100<\/td><td>Jap\u00e3o<\/td><\/tr><tr><td><strong>Sumitomo Electric<\/strong><\/td><td>Diamante, ouro<\/td><td>$1000-$5000<\/td><td>Jap\u00e3o<\/td><\/tr><tr><td><strong>Toyo Tanso<\/strong><\/td><td>Grafite, cobre<\/td><td>$20-$150<\/td><td>Jap\u00e3o<\/td><\/tr><tr><td><strong>Showa Denko<\/strong><\/td><td>Alum\u00ednio, \u00f3xido de magn\u00e9sio<\/td><td>$15-$120<\/td><td>Jap\u00e3o<\/td><\/tr><tr><td><strong>H.C. Starck<\/strong><\/td><td>Prata, ouro<\/td><td>$500-$4000<\/td><td>Alemanha<\/td><\/tr><tr><td><strong>Kennametal<\/strong><\/td><td>Carbeto de sil\u00edcio, cobre<\/td><td>$30-$250<\/td><td>EUA<\/td><\/tr><tr><td><strong>Rusal<\/strong><\/td><td>Alum\u00ednio, cobre<\/td><td>$10-$90<\/td><td>R\u00fassia<\/td><\/tr><tr><td><strong>Alcoa<\/strong><\/td><td>Alum\u00ednio, \u00f3xido de magn\u00e9sio<\/td><td>$15-$110<\/td><td>EUA<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Pr\u00f3s e contras: compara\u00e7\u00e3o de ligas de alta condutividade t\u00e9rmica<\/strong><\/h2>\n\n\n\n<p>A sele\u00e7\u00e3o da liga certa envolve a pondera\u00e7\u00e3o das vantagens e limita\u00e7\u00f5es. Aqui est\u00e1 uma an\u00e1lise comparativa:<\/p>\n\n\n\n<p><strong>Tabela de vantagens e limita\u00e7\u00f5es<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Liga met\u00e1lica<\/strong><\/th><th><strong>Vantagens<\/strong><\/th><th><strong>Limita\u00e7\u00f5es<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Cobre (Cu)<\/strong><\/td><td>Excelente condutividade t\u00e9rmica e el\u00e9trica, alta ductilidade<\/td><td>Propenso \u00e0 oxida\u00e7\u00e3o, mais pesado que o alum\u00ednio<\/td><\/tr><tr><td><strong>Alum\u00ednio (Al)<\/strong><\/td><td>Leve, com boa condutividade e resistente \u00e0 corros\u00e3o<\/td><td>Condutividade t\u00e9rmica mais baixa que a do cobre<\/td><\/tr><tr><td><strong>Prata (Ag)<\/strong><\/td><td>A mais alta condutividade t\u00e9rmica, boas propriedades antimicrobianas<\/td><td>Caro, propenso a manchar<\/td><\/tr><tr><td><strong>Ouro (Au)<\/strong><\/td><td>Excelente resist\u00eancia \u00e0 corros\u00e3o, boa condutividade<\/td><td>Metal macio e muito caro<\/td><\/tr><tr><td><strong>Grafite (C)<\/strong><\/td><td>Alta condutividade t\u00e9rmica, boa lubricidade<\/td><td>Fr\u00e1gil, pode oxidar em altas temperaturas<\/td><\/tr><tr><td><strong>Carbeto de sil\u00edcio (SiC)<\/strong><\/td><td>Alta dureza, boa estabilidade t\u00e9rmica<\/td><td>Fr\u00e1gil, com condutividade t\u00e9rmica inferior \u00e0 dos metais<\/td><\/tr><tr><td><strong>\u00d3xido de ber\u00edlio (BeO)<\/strong><\/td><td>Alta condutividade t\u00e9rmica, bom isolamento el\u00e9trico<\/td><td>T\u00f3xico se inalado como poeira, quebradi\u00e7o<\/td><\/tr><tr><td><strong>Diamante (C)<\/strong><\/td><td>A mais alta condutividade t\u00e9rmica, extrema dureza<\/td><td>Extremamente caro, dif\u00edcil de trabalhar<\/td><\/tr><tr><td><strong>Nitreto de alum\u00ednio (AlN)<\/strong><\/td><td>Boa condutividade t\u00e9rmica, isolamento el\u00e9trico<\/td><td>Fr\u00e1gil, menos condutivo que o diamante<\/td><\/tr><tr><td><strong>\u00d3xido de magn\u00e9sio (MgO)<\/strong><\/td><td>Boa condutividade t\u00e9rmica, econ\u00f4mico<\/td><td>Condutividade mais baixa em compara\u00e7\u00e3o com os condutores superiores<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"476\" height=\"352\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/metap-powder.png\" alt=\"liga de alta condutividade t\u00e9rmica\" class=\"wp-image-6865\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/metap-powder.png 476w, https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/metap-powder-300x222.png 300w, https:\/\/am-material.com\/wp-content\/uploads\/2024\/03\/metap-powder-16x12.png 16w\" sizes=\"(max-width: 476px) 100vw, 476px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>perguntas frequentes<\/strong><\/h2>\n\n\n\n<p><strong>Perguntas frequentes<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Pergunta<\/strong><\/th><th><strong>Resposta<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Qual \u00e9 o metal de maior condutividade t\u00e9rmica?<\/strong><\/td><td>Prata, com uma condutividade t\u00e9rmica de 429 W\/m-K.<\/td><\/tr><tr><td><strong>Por que a condutividade t\u00e9rmica \u00e9 importante nas ligas?<\/strong><\/td><td>Ele determina a capacidade do material de transferir calor com efici\u00eancia, o que \u00e9 crucial para o gerenciamento t\u00e9rmico em v\u00e1rias aplica\u00e7\u00f5es.<\/td><\/tr><tr><td><strong>Qual liga \u00e9 a melhor para dissipadores de calor?<\/strong><\/td><td>O cobre e o alum\u00ednio s\u00e3o escolhas populares devido \u00e0 sua alta condutividade t\u00e9rmica e boa usinabilidade.<\/td><\/tr><tr><td><strong>As ligas de alta condutividade t\u00e9rmica s\u00e3o caras?<\/strong><\/td><td>Isso varia; ligas como ouro e diamante s\u00e3o muito caras, enquanto alum\u00ednio e cobre s\u00e3o mais acess\u00edveis.<\/td><\/tr><tr><td><strong>Como a condutividade t\u00e9rmica \u00e9 medida?<\/strong><\/td><td>Usando unidades de watts por metro-kelvin (W\/m-K), indicando a quantidade de calor transferida por unidade de dist\u00e2ncia por unidade de diferen\u00e7a de temperatura.<\/td><\/tr><tr><td><strong>As ligas podem ter alta condutividade t\u00e9rmica e el\u00e9trica?<\/strong><\/td><td>Sim, o cobre e a prata s\u00e3o exemplos de ligas com alta condutividade t\u00e9rmica e el\u00e9trica.<\/td><\/tr><tr><td><strong>Quais s\u00e3o as aplica\u00e7\u00f5es comuns das ligas de alta condutividade t\u00e9rmica?<\/strong><\/td><td>Resfriamento de eletr\u00f4nicos, componentes aeroespaciais, pe\u00e7as automotivas e dispositivos m\u00e9dicos.<\/td><\/tr><tr><td><strong>Como as impurezas afetam a condutividade t\u00e9rmica?<\/strong><\/td><td>As impurezas podem dispersar f\u00f4nons e el\u00e9trons, reduzindo a condutividade t\u00e9rmica. Normalmente, os materiais de alta pureza t\u00eam melhor desempenho t\u00e9rmico.<\/td><\/tr><tr><td><strong>O diamante \u00e9 realmente o melhor condutor t\u00e9rmico?<\/strong><\/td><td>Sim, o diamante tem a mais alta condutividade t\u00e9rmica conhecida, o que o torna um material excepcional para aplica\u00e7\u00f5es de dissipa\u00e7\u00e3o de calor de alto desempenho. <\/td><\/tr><tr><td><strong>O que torna as ligas de alum\u00ednio populares, apesar de n\u00e3o serem o melhor condutor?<\/strong><\/td><td>As ligas de alum\u00ednio s\u00e3o leves, resistentes \u00e0 corros\u00e3o e econ\u00f4micas, o que as torna adequadas para muitas aplica\u00e7\u00f5es pr\u00e1ticas, apesar de sua menor condutividade em compara\u00e7\u00e3o com o cobre ou a prata.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Em conclus\u00e3o, <a href=\"https:\/\/am-material.com\/pt\/titanium-based-alloy-powders\/\">ligas de alta condutividade t\u00e9rmica <\/a>desempenham um papel fundamental na tecnologia moderna, pois permitem o gerenciamento eficiente do calor em v\u00e1rias aplica\u00e7\u00f5es. A compreens\u00e3o de suas composi\u00e7\u00f5es, propriedades e aplica\u00e7\u00f5es permite a sele\u00e7\u00e3o informada de materiais, garantindo o desempenho ideal e a longevidade em ambientes exigentes. Seja pela condutividade inigual\u00e1vel da prata ou pela versatilidade robusta do alum\u00ednio, essas ligas s\u00e3o indispens\u00e1veis para impulsionar a inova\u00e7\u00e3o e a funcionalidade nos setores avan\u00e7ados de hoje.<\/p>\n\n\n\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/3D_printing_processes\" target=\"_blank\" rel=\"noreferrer noopener\">conhecer mais processos de impress\u00e3o 3D<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Overview High thermal conductivity alloys are crucial in various industries, thanks to their ability to efficiently transfer heat. These alloys are engineered to handle extreme temperatures and facilitate heat dissipation in applications ranging from electronics to aerospace. But what makes these alloys so special? Let&#8217;s dive into the specifics of high thermal conductivity alloys, their [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[73],"tags":[],"post_folder":[],"class_list":["post-7845","post","type-post","status-publish","format-standard","hentry","category-titanium-based-alloy-powder"],"_links":{"self":[{"href":"https:\/\/am-material.com\/pt\/wp-json\/wp\/v2\/posts\/7845","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/am-material.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/am-material.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/am-material.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/am-material.com\/pt\/wp-json\/wp\/v2\/comments?post=7845"}],"version-history":[{"count":1,"href":"https:\/\/am-material.com\/pt\/wp-json\/wp\/v2\/posts\/7845\/revisions"}],"predecessor-version":[{"id":7846,"href":"https:\/\/am-material.com\/pt\/wp-json\/wp\/v2\/posts\/7845\/revisions\/7846"}],"wp:attachment":[{"href":"https:\/\/am-material.com\/pt\/wp-json\/wp\/v2\/media?parent=7845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/am-material.com\/pt\/wp-json\/wp\/v2\/categories?post=7845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/am-material.com\/pt\/wp-json\/wp\/v2\/tags?post=7845"},{"taxonomy":"post_folder","embeddable":true,"href":"https:\/\/am-material.com\/pt\/wp-json\/wp\/v2\/post_folder?post=7845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}