{"id":4996,"date":"2024-08-08T06:22:11","date_gmt":"2024-08-08T06:22:11","guid":{"rendered":"https:\/\/3dpmetal.com\/?p=4996"},"modified":"2024-08-08T06:22:15","modified_gmt":"2024-08-08T06:22:15","slug":"laser-metal-deposition-202408082","status":"publish","type":"post","link":"https:\/\/3dpmetal.com\/pt_br\/laser-metal-deposition-202408082\/","title":{"rendered":"Deposi\u00e7\u00e3o de metal a laser (LMD)"},"content":{"rendered":"<p><a href=\"https:\/\/3dpmetal.com\/pt_br\/product\/\">Deposi\u00e7\u00e3o de metal a laser<\/a> (LMD) \u00e9 uma tecnologia de ponta que est\u00e1 revolucionando os setores de fabrica\u00e7\u00e3o e reparo. Imagine ser capaz de construir ou reparar pe\u00e7as met\u00e1licas com precis\u00e3o exata, camada por camada, usando um laser. Parece futurista, certo? Bem, isso n\u00e3o \u00e9 apenas o futuro; est\u00e1 acontecendo agora mesmo. Vamos nos aprofundar nessa tecnologia fascinante.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Vis\u00e3o geral da deposi\u00e7\u00e3o de metal a laser (LMD)<\/strong><\/h2>\n\n\n\n<p>A deposi\u00e7\u00e3o de metal a laser (LMD), tamb\u00e9m conhecida como deposi\u00e7\u00e3o direta de metal (DMD), \u00e9 um processo de manufatura aditiva que usa um laser de alta pot\u00eancia para derreter p\u00f3 ou fio de metal \u00e0 medida que ele \u00e9 depositado em um substrato. Essa tecnologia \u00e9 fundamental na cria\u00e7\u00e3o de geometrias complexas, no reparo de componentes de alto valor e na adi\u00e7\u00e3o de recursos a pe\u00e7as existentes.<\/p>\n\n\n\n<p><strong>Principais detalhes:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Processo<\/strong>: Um feixe de laser cria uma po\u00e7a de fus\u00e3o no substrato onde o p\u00f3 met\u00e1lico ou o fio \u00e9 alimentado, formando uma camada \u00e0 medida que se solidifica.<\/li>\n\n\n\n<li><strong>APLICATIVOS<\/strong>: Setores aeroespacial, automotivo, de implantes m\u00e9dicos e de ferramentas e matrizes.<\/li>\n\n\n\n<li><strong>Materiais<\/strong>: V\u00e1rios metais, incluindo tit\u00e2nio, a\u00e7o inoxid\u00e1vel, cobalto-cromo e Inconel.<\/li>\n\n\n\n<li><strong>Benef\u00edcios<\/strong>: Alta precis\u00e3o, m\u00ednimo desperd\u00edcio e capacidade de reparar componentes caros.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18.jpg\" alt=\"Deposi\u00e7\u00e3o de metal a laser\" class=\"wp-image-4255\" title=\"\" srcset=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18.jpg 600w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18-300x300.jpg 300w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18-150x150.jpg 150w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18-12x12.jpg 12w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>Tipos de p\u00f3s met\u00e1licos para deposi\u00e7\u00e3o de metal a laser<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>P\u00f3s met\u00e1licos comuns usados em LMD<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>P\u00f3 met\u00e1lico<\/strong><\/th><th><strong>Composi\u00e7\u00e3o<\/strong><\/th><th><strong>Propriedades<\/strong><\/th><th><strong>Caracter\u00edsticas<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Inconel 625<\/strong><\/td><td>N\u00edquel-cromo<\/td><td>Alta resist\u00eancia, resist\u00eancia \u00e0 corros\u00e3o e \u00e0 oxida\u00e7\u00e3o<\/td><td>Excelente soldabilidade, usado em ambientes agressivos<\/td><\/tr><tr><td><strong>Tit\u00e2nio 6Al-4V<\/strong><\/td><td>Tit\u00e2nio-Alum\u00ednio-Van\u00e1dio<\/td><td>Alta rela\u00e7\u00e3o for\u00e7a\/peso, resist\u00eancia \u00e0 corros\u00e3o<\/td><td>Leve, biocompat\u00edvel, usado no setor aeroespacial<\/td><\/tr><tr><td><strong>A\u00e7o inoxid\u00e1vel 316L<\/strong><\/td><td>Ferro, cromo e n\u00edquel<\/td><td>Alta resist\u00eancia \u00e0 corros\u00e3o, boa conformabilidade<\/td><td>Usado em implantes m\u00e9dicos e aplica\u00e7\u00f5es mar\u00edtimas<\/td><\/tr><tr><td><strong>Cobalto-cromo<\/strong><\/td><td>Cobalto-cromo-molibd\u00eanio<\/td><td>Alta resist\u00eancia ao desgaste e \u00e0 corros\u00e3o<\/td><td>Usado em implantes dent\u00e1rios e ortop\u00e9dicos<\/td><\/tr><tr><td><strong>Alum\u00ednio AlSi10Mg<\/strong><\/td><td>Alum\u00ednio-Sil\u00edcio-Magn\u00e9sio<\/td><td>Leve, com boas propriedades t\u00e9rmicas<\/td><td>Usado nos setores automotivo e aeroespacial<\/td><\/tr><tr><td><strong>Cobre<\/strong><\/td><td>100% de Puro Cobre<\/td><td>Condutividade t\u00e9rmica e el\u00e9trica excelentes<\/td><td>Usado em componentes el\u00e9tricos, trocadores de calor<\/td><\/tr><tr><td><strong>N\u00edquel 718<\/strong><\/td><td>N\u00edquel, cromo e ferro<\/td><td>Alta resist\u00eancia, excelente resist\u00eancia \u00e0 fadiga e \u00e0 flu\u00eancia<\/td><td>Usado em turbinas a g\u00e1s, no setor aeroespacial<\/td><\/tr><tr><td><strong>A\u00e7o ferramenta H13<\/strong><\/td><td>Ferro-Carbono-Cromo<\/td><td>Alta tenacidade e resist\u00eancia ao desgaste<\/td><td>Usado na fabrica\u00e7\u00e3o de ferramentas e matrizes<\/td><\/tr><tr><td><strong>A\u00e7o Maraging<\/strong><\/td><td>Ferro-N\u00edquel-Cobalto-Molibd\u00eanio<\/td><td>Alta resist\u00eancia, boa tenacidade<\/td><td>Usado no setor aeroespacial, em ferramentas<\/td><\/tr><tr><td><strong>Bronze CuSn10<\/strong><\/td><td>Cobre-Estanho<\/td><td>Boa resist\u00eancia ao desgaste e \u00e0 corros\u00e3o<\/td><td>Usado em aplica\u00e7\u00f5es art\u00edsticas, rolamentos de m\u00e1quinas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Descri\u00e7\u00f5es detalhadas<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Inconel 625<\/strong>: Essa superliga \u00e0 base de n\u00edquel-cromo \u00e9 conhecida por suas excelentes propriedades de fadiga e fadiga t\u00e9rmica, resist\u00eancia \u00e0 oxida\u00e7\u00e3o e \u00e0 corros\u00e3o. \u00c9 comumente usada em aplica\u00e7\u00f5es aeroespaciais e mar\u00edtimas devido \u00e0 sua robustez em ambientes extremos.<\/li>\n\n\n\n<li><strong>Tit\u00e2nio 6Al-4V<\/strong>: Com uma composi\u00e7\u00e3o de tit\u00e2nio, alum\u00ednio e van\u00e1dio, essa liga oferece uma rela\u00e7\u00e3o for\u00e7a\/peso superior e resist\u00eancia \u00e0 corros\u00e3o, o que a torna um elemento b\u00e1sico no setor aeroespacial e em implantes m\u00e9dicos.<\/li>\n\n\n\n<li><strong>A\u00e7o inoxid\u00e1vel 316L<\/strong>: Essa liga de ferro-cromo e n\u00edquel \u00e9 favorecida por sua resist\u00eancia \u00e0 corros\u00e3o e boa conformabilidade, o que a torna ideal para aplica\u00e7\u00f5es mar\u00edtimas e m\u00e9dicas em que a durabilidade \u00e9 crucial.<\/li>\n\n\n\n<li><strong>Cobalto-cromo<\/strong>: Conhecido por sua alta resist\u00eancia ao desgaste e \u00e0 corros\u00e3o, o cobalto-cromo \u00e9 amplamente utilizado em implantes odontol\u00f3gicos e ortop\u00e9dicos devido \u00e0 sua biocompatibilidade e resist\u00eancia.<\/li>\n\n\n\n<li><strong>Alum\u00ednio AlSi10Mg<\/strong>: Essa liga leve oferece boas propriedades t\u00e9rmicas e \u00e9 usada nos setores automotivo e aeroespacial, nos quais a redu\u00e7\u00e3o de peso sem comprometer a resist\u00eancia \u00e9 essencial.<\/li>\n\n\n\n<li><strong>Cobre<\/strong>: O cobre puro \u00e9 utilizado em aplica\u00e7\u00f5es que exigem excelente condutividade t\u00e9rmica e el\u00e9trica, como componentes el\u00e9tricos e trocadores de calor.<\/li>\n\n\n\n<li><strong>N\u00edquel 718<\/strong>: Com sua excepcional for\u00e7a e resist\u00eancia \u00e0 fadiga e \u00e0 flu\u00eancia, essa liga de n\u00edquel-cromo e ferro \u00e9 comumente usada em turbinas a g\u00e1s e aplica\u00e7\u00f5es aeroespaciais.<\/li>\n\n\n\n<li><strong>A\u00e7o ferramenta H13<\/strong>: Reconhecido por sua alta dureza e resist\u00eancia ao desgaste, o a\u00e7o para ferramentas H13 \u00e9 um material de primeira linha para a fabrica\u00e7\u00e3o de ferramentas e matrizes.<\/li>\n\n\n\n<li><strong>A\u00e7o Maraging<\/strong>: Essa liga resistente e de alta resist\u00eancia \u00e9 usada nos setores aeroespacial e de ferramentas. Sua composi\u00e7\u00e3o inclui ferro, n\u00edquel, cobalto e molibd\u00eanio.<\/li>\n\n\n\n<li><strong>Bronze CuSn10<\/strong>: Conhecida por sua resist\u00eancia ao desgaste e \u00e0 corros\u00e3o, essa liga de cobre e estanho \u00e9 usada em aplica\u00e7\u00f5es art\u00edsticas e em rolamentos de m\u00e1quinas.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Composi\u00e7\u00e3o de <a href=\"https:\/\/3dpmetal.com\/pt_br\/product\/\">Deposi\u00e7\u00e3o de metal a laser <\/a>(LMD)<\/strong><\/h2>\n\n\n\n<p>A composi\u00e7\u00e3o dos materiais usados na LMD \u00e9 fundamental para obter as propriedades desejadas no produto acabado. Veja a seguir uma vis\u00e3o detalhada:<\/p>\n\n\n\n<p><strong>Composi\u00e7\u00e3o de p\u00f3s met\u00e1licos comuns de LMD<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>P\u00f3 met\u00e1lico<\/strong><\/th><th><strong>Elementos prim\u00e1rios<\/strong><\/th><th><strong>Elementos adicionais<\/strong><\/th><th><strong>Usos t\u00edpicos<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Inconel 625<\/strong><\/td><td>N\u00edquel, cromo<\/td><td>Molibd\u00eanio, Ni\u00f3bio<\/td><td>Aeroespacial, mar\u00edtimo, processamento qu\u00edmico<\/td><\/tr><tr><td><strong>Tit\u00e2nio 6Al-4V<\/strong><\/td><td>Tit\u00e2nio, alum\u00ednio<\/td><td>Van\u00e1dio<\/td><td>Aeroespacial, implantes m\u00e9dicos<\/td><\/tr><tr><td><strong>A\u00e7o inoxid\u00e1vel 316L<\/strong><\/td><td>Ferro, cromo<\/td><td>N\u00edquel, molibd\u00eanio<\/td><td>Dispositivos m\u00e9dicos, aplica\u00e7\u00f5es mar\u00edtimas<\/td><\/tr><tr><td><strong>Cobalto-cromo<\/strong><\/td><td>Cobalto, cromo<\/td><td>Molibd\u00eanio<\/td><td>Implantes dent\u00e1rios e ortop\u00e9dicos<\/td><\/tr><tr><td><strong>Alum\u00ednio AlSi10Mg<\/strong><\/td><td>Alum\u00ednio, silicone<\/td><td>Magn\u00e9sio<\/td><td>Automotivo, aeroespacial<\/td><\/tr><tr><td><strong>Cobre<\/strong><\/td><td>Cobre<\/td><td>Oxig\u00eanio<\/td><td>Componentes el\u00e9tricos, trocadores de calor<\/td><\/tr><tr><td><strong>N\u00edquel 718<\/strong><\/td><td>N\u00edquel, cromo<\/td><td>Ferro, molibd\u00eanio, ni\u00f3bio<\/td><td>Turbinas a g\u00e1s, aeroespacial<\/td><\/tr><tr><td><strong>A\u00e7o ferramenta H13<\/strong><\/td><td>Ferro, carbono<\/td><td>Cromo, molibd\u00eanio<\/td><td>Ferramentas, fabrica\u00e7\u00e3o de matrizes<\/td><\/tr><tr><td><strong>A\u00e7o Maraging<\/strong><\/td><td>Ferro, n\u00edquel<\/td><td>Cobalto, molibd\u00eanio<\/td><td>Aeroespacial, ferramentas<\/td><\/tr><tr><td><strong>Bronze CuSn10<\/strong><\/td><td>Cobre, estanho<\/td><td>Zinco<\/td><td>Aplica\u00e7\u00f5es art\u00edsticas, rolamentos de m\u00e1quinas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Propriedades e caracter\u00edsticas da deposi\u00e7\u00e3o de metal a laser (LMD)<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Principais propriedades<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Precis\u00e3o<\/strong>: A LMD permite o controle preciso do processo de deposi\u00e7\u00e3o, resultando em alta precis\u00e3o na constru\u00e7\u00e3o ou reparo de pe\u00e7as.<\/li>\n\n\n\n<li><strong>Efici\u00eancia do material<\/strong>: \u00c9 gerado um m\u00ednimo de res\u00edduos, pois o processo utiliza apenas a quantidade necess\u00e1ria de material.<\/li>\n\n\n\n<li><strong>Versatilidade<\/strong>: Uma grande variedade de metais pode ser usada, incluindo superligas e materiais biocompat\u00edveis.<\/li>\n\n\n\n<li><strong>Resist\u00eancia mec\u00e2nica<\/strong>: Os componentes produzidos com LMD geralmente t\u00eam propriedades mec\u00e2nicas que se igualam ou superam as das pe\u00e7as fabricadas tradicionalmente.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Caracter\u00edsticas detalhadas<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Propriedade<\/strong><\/th><th><strong>Descri\u00e7\u00e3o<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Precis\u00e3o dimensional<\/strong><\/td><td>Alta precis\u00e3o na cria\u00e7\u00e3o de geometrias complexas<\/td><\/tr><tr><td><strong>Acabamento da superf\u00edcie<\/strong><\/td><td>Pode variar de suave a \u00e1spero, dependendo dos par\u00e2metros e do p\u00f3s-processamento<\/td><\/tr><tr><td><strong>Microestrutura<\/strong><\/td><td>Normalmente de granula\u00e7\u00e3o fina devido \u00e0 r\u00e1pida solidifica\u00e7\u00e3o<\/td><\/tr><tr><td><strong>Densidade<\/strong><\/td><td>A densidade quase total pode ser obtida com par\u00e2metros ideais<\/td><\/tr><tr><td><strong>Porosidade<\/strong><\/td><td>\u00c9 poss\u00edvel obter baixa porosidade, o que \u00e9 fundamental para as propriedades mec\u00e2nicas<\/td><\/tr><tr><td><strong>Resist\u00eancia da liga\u00e7\u00e3o<\/strong><\/td><td>Fortes liga\u00e7\u00f5es metal\u00fargicas entre as camadas e o substrato<\/td><\/tr><tr><td><strong>Resist\u00eancia \u00e0 corros\u00e3o<\/strong><\/td><td>Depende do material; alto para ligas como a\u00e7o inoxid\u00e1vel e Inconel<\/td><\/tr><tr><td><strong>Propriedades T\u00e9rmicas<\/strong><\/td><td>Boa condutividade t\u00e9rmica para metais como o cobre; essencial para trocadores de calor<\/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 loading=\"lazy\" decoding=\"async\" width=\"406\" height=\"304\" data-id=\"4258\" src=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/Ti22Al25Nb.jpg\" alt=\"Jateamento de ligantes\" class=\"wp-image-4258\" title=\"\" srcset=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/Ti22Al25Nb.jpg 406w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/Ti22Al25Nb-300x225.jpg 300w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/Ti22Al25Nb-16x12.jpg 16w\" sizes=\"auto, (max-width: 406px) 100vw, 406px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"842\" height=\"756\" data-id=\"4259\" src=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/Ti22Al25Nb-Powder.png\" alt=\"fus\u00e3o de leito de p\u00f3 a laser\" class=\"wp-image-4259\" title=\"\" srcset=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/Ti22Al25Nb-Powder.png 842w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/Ti22Al25Nb-Powder-300x269.png 300w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/Ti22Al25Nb-Powder-768x690.png 768w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/Ti22Al25Nb-Powder-13x12.png 13w\" sizes=\"auto, (max-width: 842px) 100vw, 842px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" data-id=\"4255\" src=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18.jpg\" alt=\"Deposi\u00e7\u00e3o de metal a laser\" class=\"wp-image-4255\" title=\"\" srcset=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18.jpg 600w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18-300x300.jpg 300w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18-150x150.jpg 150w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18-12x12.jpg 12w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"216\" height=\"216\" data-id=\"4248\" src=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TA7.jpg\" alt=\"p\u00f3s de materiais avan\u00e7ados\" class=\"wp-image-4248\" title=\"\" srcset=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TA7.jpg 216w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TA7-150x150.jpg 150w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TA7-12x12.jpg 12w\" sizes=\"auto, (max-width: 216px) 100vw, 216px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"472\" data-id=\"4249\" src=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC4-1.jpg\" alt=\"atomiza\u00e7\u00e3o de g\u00e1s\" class=\"wp-image-4249\" title=\"\" srcset=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC4-1.jpg 512w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC4-1-300x277.jpg 300w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC4-1-13x12.jpg 13w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"371\" data-id=\"4250\" src=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC4ELI.jpg\" alt=\"P\u00f3 de liga de alum\u00ednio 7050\" class=\"wp-image-4250\" title=\"\" srcset=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC4ELI.jpg 500w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC4ELI-300x223.jpg 300w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC4ELI-16x12.jpg 16w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Aplicativos de <a href=\"https:\/\/3dpmetal.com\/pt_br\/product\/\">Deposi\u00e7\u00e3o de metal a laser<\/a> (LMD)<\/strong><\/h2>\n\n\n\n<p>A tecnologia LMD \u00e9 vers\u00e1til e encontra aplica\u00e7\u00f5es em v\u00e1rios setores devido \u00e0 sua capacidade de produzir pe\u00e7as complexas de alta qualidade e reparar componentes caros.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Aplica\u00e7\u00f5es industriais<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Ind\u00fastria<\/strong><\/th><th><strong>APLICATIVOS<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Aeroespacial<\/strong><\/td><td>Componentes do motor, pe\u00e7as estruturais, reparo de l\u00e2minas de turbina<\/td><\/tr><tr><td><strong>Automotivo<\/strong><\/td><td>Componentes leves, prot\u00f3tipos, reparo de ferramentas<\/td><\/tr><tr><td><strong>M\u00e9dico<\/strong><\/td><td>Implantes personalizados, restaura\u00e7\u00f5es dent\u00e1rias, dispositivos ortop\u00e9dicos<\/td><\/tr><tr><td><strong>Ferramentas e matrizes<\/strong><\/td><td>Reparo de moldes e matrizes, fabrica\u00e7\u00e3o de ferramentas de corte<\/td><\/tr><tr><td><strong>Energia<\/strong><\/td><td>Reparo de turbinas, trocadores de calor, componentes de reatores nucleares<\/td><\/tr><tr><td><strong>Defesa<\/strong><\/td><td>Componentes de armas, reparo e manuten\u00e7\u00e3o de pe\u00e7as cr\u00edticas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Casos de uso<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Aeroespacial<\/strong>: A capacidade de reparar e fabricar componentes complexos de motores torna a LMD inestim\u00e1vel. Por exemplo, as l\u00e2minas da turbina, que operam em condi\u00e7\u00f5es extremas, podem ser reparadas com o m\u00ednimo de tempo de inatividade.<\/li>\n\n\n\n<li><strong>Automotivo<\/strong>: O LMD \u00e9 usado para produzir componentes leves e de alta resist\u00eancia que melhoram a efici\u00eancia e o desempenho do combust\u00edvel. Tamb\u00e9m \u00e9 excelente para a cria\u00e7\u00e3o de prot\u00f3tipos e ferramentas de reparo.<\/li>\n\n\n\n<li><strong>M\u00e9dico<\/strong>: Implantes e restaura\u00e7\u00f5es dent\u00e1rias personalizados s\u00e3o criados com precis\u00e3o, garantindo biocompatibilidade e solu\u00e7\u00f5es espec\u00edficas para cada paciente.<\/li>\n\n\n\n<li><strong>Ferramentas e matrizes<\/strong>: O reparo de moldes e matrizes usando LMD aumenta sua vida \u00fatil e reduz os custos de fabrica\u00e7\u00e3o. Ferramentas de corte de alta precis\u00e3o tamb\u00e9m s\u00e3o fabricadas com essa tecnologia.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Especifica\u00e7\u00f5es, tamanhos, classes e padr\u00f5es<\/h2>\n\n\n\n<p><strong>Especifica\u00e7\u00f5es e padr\u00f5es para p\u00f3s met\u00e1licos de LMD<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>P\u00f3 met\u00e1lico<\/strong><\/th><th><strong>Especifica\u00e7\u00f5es<\/strong><\/th><th><strong>Tamanhos (\u00b5m)<\/strong><\/th><th><strong>Notas<\/strong><\/th><th><strong>Padr\u00f5es<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Inconel 625<\/strong><\/td><td>ASTM B443, AMS 5599<\/td><td>15-45, 45-106<\/td><td>UNS N06625<\/td><td>ASTM, AMS, ISO<\/td><\/tr><tr><td><strong>Tit\u00e2nio 6Al-4V<\/strong><\/td><td>ASTM F1472, AMS 4928<\/td><td>15-45, 45-106<\/td><td>Ano 5<\/td><td>ASTM, AMS, ISO<\/td><\/tr><tr><td><strong>A\u00e7o inoxid\u00e1vel 316L<\/strong><\/td><td>ASTM A240, AMS 5507<\/td><td>15-45, 45-106<\/td><td>UNS S31603<\/td><td>ASTM, AMS, ISO<\/td><\/tr><tr><td><strong>Cobalto-cromo<\/strong><\/td><td>ASTM F75, ISO 5832-4<\/td><td>15-45, 45-106<\/td><td>Liga de CoCrMo<\/td><td>ASTM, ISO<\/td><\/tr><tr><td><strong>Alum\u00ednio AlSi10Mg<\/strong><\/td><td>ASTM B209<\/td><td>15-45, 45-106<\/td><td>AlSi10Mg<\/td><td>ASTM, ISO<\/td><\/tr><tr><td><strong>Cobre<\/strong><\/td><td>ASTM B152<\/td><td>15-45, 45-106<\/td><td>C11000<\/td><td>ASTM, ISO<\/td><\/tr><tr><td><strong>N\u00edquel 718<\/strong><\/td><td>ASTM B637, AMS 5663<\/td><td>15-45, 45-106<\/td><td>UNS N07718<\/td><td>ASTM, AMS, ISO<\/td><\/tr><tr><td><strong>A\u00e7o ferramenta H13<\/strong><\/td><td>ASTM A681, DIN 1.2344<\/td><td>15-45, 45-106<\/td><td>H13<\/td><td>ASTM, DIN<\/td><\/tr><tr><td><strong>A\u00e7o Maraging<\/strong><\/td><td>ASTM A538<\/td><td>15-45, 45-106<\/td><td>18Ni(300)<\/td><td>ASTM, ISO<\/td><\/tr><tr><td><strong>Bronze CuSn10<\/strong><\/td><td>ASTM B505<\/td><td>15-45, 45-106<\/td><td>UNS C90500<\/td><td>ASTM, ISO<\/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<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Fornecedor<\/strong><\/th><th><strong>P\u00f3s met\u00e1licos<\/strong><\/th><th><strong>Pre\u00e7o (por kg)<\/strong><\/th><th><strong>Localiza\u00e7\u00e3o<\/strong><\/th><th><strong>Contato<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>H\u00f6gan\u00e4s<\/strong><\/td><td>Inconel 625, tit\u00e2nio 6Al-4V, a\u00e7o inoxid\u00e1vel 316L<\/td><td>$200 &#8211; $400<\/td><td>Su\u00e9cia<\/td><td>www.hoganas.com<\/td><\/tr><tr><td><strong>Tecnologia LPW<\/strong><\/td><td>Inconel 625, N\u00edquel 718, A\u00e7o Maraging<\/td><td>$250 &#8211; $450<\/td><td>Reino Unido<\/td><td>www.lpwtechnology.com<\/td><\/tr><tr><td><strong>Tecnologia Carpenter<\/strong><\/td><td>A\u00e7o para ferramentas H13, a\u00e7o inoxid\u00e1vel 316L<\/td><td>$220 &#8211; $380<\/td><td>Estados Unidos<\/td><td>www.carpentertechnology.com<\/td><\/tr><tr><td><strong>EOS GmbH<\/strong><\/td><td>Cobalto-cromo, alum\u00ednio AlSi10Mg<\/td><td>$300 &#8211; $500<\/td><td>Alemanha<\/td><td>www.eos.info<\/td><\/tr><tr><td><strong>AP&amp;C<\/strong><\/td><td>Tit\u00e2nio 6Al-4V, Inconel 625<\/td><td>$270 &#8211; $460<\/td><td>Canad\u00e1<\/td><td>www.advancedpowders.com<\/td><\/tr><tr><td><strong>Oerlikon Metco<\/strong><\/td><td>Cobalto-cromo, n\u00edquel 718<\/td><td>$280 &#8211; $470<\/td><td>Su\u00ed\u00e7a<\/td><td>www.oerlikon.com\/metco<\/td><\/tr><tr><td><strong>Sandvik<\/strong><\/td><td>A\u00e7o inoxid\u00e1vel 316L, a\u00e7o ferramenta H13<\/td><td>$240 &#8211; $420<\/td><td>Su\u00e9cia<\/td><td>www.materials.sandvik<\/td><\/tr><tr><td><strong>Renishaw<\/strong><\/td><td>A\u00e7o Maraging, alum\u00ednio AlSi10Mg<\/td><td>$260 &#8211; $440<\/td><td>Reino Unido<\/td><td>www.renishaw.com<\/td><\/tr><tr><td><strong>Arcam AB<\/strong><\/td><td>Tit\u00e2nio 6Al-4V, Cobalto-Cromo<\/td><td>$280 &#8211; $460<\/td><td>Su\u00e9cia<\/td><td>www.arcam.com<\/td><\/tr><tr><td><strong>GKN Hoeganaes<\/strong><\/td><td>Inconel 625, a\u00e7o inoxid\u00e1vel 316L<\/td><td>$230 &#8211; $410<\/td><td>Estados Unidos<\/td><td>www.gknpm.com<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Compara\u00e7\u00e3o de vantagens e limita\u00e7\u00f5es<\/strong><\/h2>\n\n\n\n<p><strong>Vantagens e limita\u00e7\u00f5es dos p\u00f3s met\u00e1licos de LMD<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>P\u00f3 met\u00e1lico<\/strong><\/th><th><strong>Benef\u00edcios<\/strong><\/th><th><strong>Limita\u00e7\u00f5es<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Inconel 625<\/strong><\/td><td>Excelente resist\u00eancia \u00e0 corros\u00e3o e \u00e0 oxida\u00e7\u00e3o, alta resist\u00eancia<\/td><td>Caro, dif\u00edcil de usinar<\/td><\/tr><tr><td><strong>Tit\u00e2nio 6Al-4V<\/strong><\/td><td>Alta rela\u00e7\u00e3o resist\u00eancia\/peso, biocompat\u00edvel<\/td><td>Alto custo, dif\u00edcil de trabalhar<\/td><\/tr><tr><td><strong>A\u00e7o inoxid\u00e1vel 316L<\/strong><\/td><td>Alta resist\u00eancia \u00e0 corros\u00e3o, boa conformabilidade<\/td><td>Menor resist\u00eancia em compara\u00e7\u00e3o com algumas outras ligas<\/td><\/tr><tr><td><strong>Cobalto-cromo<\/strong><\/td><td>Alta resist\u00eancia ao desgaste e \u00e0 corros\u00e3o, biocompat\u00edvel<\/td><td>Fr\u00e1gil, caro<\/td><\/tr><tr><td><strong>Alum\u00ednio AlSi10Mg<\/strong><\/td><td>Leve, com boas propriedades t\u00e9rmicas<\/td><td>Menor resist\u00eancia em compara\u00e7\u00e3o com as ligas de a\u00e7o<\/td><\/tr><tr><td><strong>Cobre<\/strong><\/td><td>Condutividade t\u00e9rmica e el\u00e9trica excelentes<\/td><td>Alto custo, propenso \u00e0 oxida\u00e7\u00e3o<\/td><\/tr><tr><td><strong>N\u00edquel 718<\/strong><\/td><td>Alta resist\u00eancia, excelente resist\u00eancia \u00e0 fadiga e \u00e0 flu\u00eancia<\/td><td>Caro, dif\u00edcil de usinar<\/td><\/tr><tr><td><strong>A\u00e7o ferramenta H13<\/strong><\/td><td>Alta tenacidade e resist\u00eancia ao desgaste<\/td><td>Requer tratamento t\u00e9rmico, caro<\/td><\/tr><tr><td><strong>A\u00e7o Maraging<\/strong><\/td><td>Alta resist\u00eancia, boa tenacidade<\/td><td>Caro, requer tratamento de envelhecimento<\/td><\/tr><tr><td><strong>Bronze CuSn10<\/strong><\/td><td>Boa resist\u00eancia ao desgaste e \u00e0 corros\u00e3o<\/td><td>Menor resist\u00eancia em compara\u00e7\u00e3o com o a\u00e7o, propenso \u00e0 deszincifica\u00e7\u00e3o<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Par\u00e2metros e limites<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Par\u00e2metro<\/strong><\/th><th><strong>Limite\/intervalo<\/strong><\/th><th><strong>Descri\u00e7\u00e3o<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Pot\u00eancia Laser<\/strong><\/td><td>200 - 1000 W<\/td><td>Determina a entrada de energia para derreter o p\u00f3<\/td><\/tr><tr><td><strong>Velocidade de digitaliza\u00e7\u00e3o<\/strong><\/td><td>200 - 1000 mm\/s<\/td><td>Afeta a taxa de deposi\u00e7\u00e3o e a qualidade da camada<\/td><\/tr><tr><td><strong>Taxa de alimenta\u00e7\u00e3o de p\u00f3<\/strong><\/td><td>1 - 10 g\/min<\/td><td>Controla a quantidade de p\u00f3 fornecida \u00e0 po\u00e7a de fus\u00e3o<\/td><\/tr><tr><td><strong>Espessura da camada<\/strong><\/td><td>20 - 100 \u00b5m<\/td><td>Afeta a resolu\u00e7\u00e3o e o acabamento da superf\u00edcie da pe\u00e7a<\/td><\/tr><tr><td><strong>G\u00e1s de prote\u00e7\u00e3o<\/strong><\/td><td>Arg\u00f4nio, nitrog\u00eanio<\/td><td>Protege a po\u00e7a de fus\u00e3o contra a oxida\u00e7\u00e3o<\/td><\/tr><tr><td><strong>Temperatura do substrato<\/strong><\/td><td>Temperatura ambiente at\u00e9 200\u00b0C<\/td><td>Pode influenciar a qualidade da colagem e as tens\u00f5es residuais<\/td><\/tr><tr><td><strong>Espa\u00e7amento entre os furos<\/strong><\/td><td>0,1 - 0,5 mm<\/td><td>Dist\u00e2ncia entre trilhas de laser adjacentes<\/td><\/tr><tr><td><strong>Porcentagem de sobreposi\u00e7\u00e3o<\/strong><\/td><td>50 &#8211; 90%<\/td><td>Garante a cobertura completa e a liga\u00e7\u00e3o entre as camadas<\/td><\/tr><tr><td><strong>Taxa de resfriamento<\/strong><\/td><td>10^2 - 10^6 \u00b0C\/s<\/td><td>Afeta a microestrutura e as propriedades mec\u00e2nicas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18.jpg\" alt=\"Deposi\u00e7\u00e3o de metal a laser\" class=\"wp-image-4255\" title=\"\" srcset=\"https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18.jpg 600w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18-300x300.jpg 300w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18-150x150.jpg 150w, https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18-12x12.jpg 12w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>FAQ<\/strong><\/h2>\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>O que \u00e9 Laser Metal Deposition (LMD)?<\/strong><\/td><td>A LMD \u00e9 um processo de manufatura aditiva que usa um laser para derreter p\u00f3 ou fio de metal \u00e0 medida que ele \u00e9 depositado em um substrato.<\/td><\/tr><tr><td><strong>Quais materiais podem ser usados no LMD?<\/strong><\/td><td>V\u00e1rios metais, incluindo Inconel, ligas de tit\u00e2nio, a\u00e7o inoxid\u00e1vel, cobalto-cromo, alum\u00ednio, cobre e muito mais.<\/td><\/tr><tr><td><strong>Quais setores utilizam o LMD?<\/strong><\/td><td>Setores aeroespacial, automotivo, m\u00e9dico, de ferramentas e matrizes, de energia e de defesa.<\/td><\/tr><tr><td><strong>Quais s\u00e3o as vantagens do LMD?<\/strong><\/td><td>Alta precis\u00e3o, m\u00ednimo desperd\u00edcio, capacidade de reparar componentes caros e versatilidade de materiais.<\/td><\/tr><tr><td><strong>Como a LMD se compara \u00e0 fabrica\u00e7\u00e3o tradicional?<\/strong><\/td><td>A LMD oferece maior precis\u00e3o, menos desperd\u00edcio e a capacidade de criar geometrias complexas em compara\u00e7\u00e3o com os m\u00e9todos tradicionais.<\/td><\/tr><tr><td><strong>Quais s\u00e3o as limita\u00e7\u00f5es do LMD?<\/strong><\/td><td>Alto custo inicial, taxas de constru\u00e7\u00e3o mais lentas em compara\u00e7\u00e3o com alguns m\u00e9todos tradicionais e limitadas pelo tamanho da \u00e1rea de constru\u00e7\u00e3o.<\/td><\/tr><tr><td><strong>Qual \u00e9 a espessura t\u00edpica da camada no LMD?<\/strong><\/td><td>A espessura t\u00edpica da camada varia de 20 a 100 micr\u00f4metros.<\/td><\/tr><tr><td><strong>A LMD pode ser usada para reparar pe\u00e7as?<\/strong><\/td><td>Sim, a LMD \u00e9 altamente eficaz no reparo de componentes de alto valor, prolongando sua vida \u00fatil e reduzindo custos.<\/td><\/tr><tr><td><strong>Quais s\u00e3o os principais par\u00e2metros do processo de LMD?<\/strong><\/td><td>Os principais par\u00e2metros incluem pot\u00eancia do laser, velocidade de varredura, taxa de alimenta\u00e7\u00e3o de p\u00f3, espessura da camada e g\u00e1s de prote\u00e7\u00e3o.<\/td><\/tr><tr><td><strong>Como \u00e9 garantida a qualidade das pe\u00e7as de LMD?<\/strong><\/td><td>A qualidade \u00e9 garantida por meio do controle preciso dos par\u00e2metros do processo, da sele\u00e7\u00e3o adequada de materiais e das t\u00e9cnicas de p\u00f3s-processamento.<\/td><\/tr><\/tbody><\/table><\/figure>\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>Laser Metal Deposition (LMD) is a cutting-edge technology revolutionizing the manufacturing and repair industries. Imagine being able to build or repair metal parts with pinpoint precision, layer by layer, using a laser. Sounds futuristic, right? Well, it&#8217;s not just the future; it&#8217;s happening right now. Let\u2019s dive deep into this fascinating technology. Overview of Laser Metal Deposition (LMD) Laser Metal Deposition (LMD), also known as Direct Metal Deposition (DMD), is an additive manufacturing process that uses a high-power laser to&#8230;<\/p>","protected":false},"author":3,"featured_media":4255,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-4996","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}]},"featured_image_src_large":["https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/04\/TC18.jpg",600,600,false],"author_info":{"display_name":"yiyunyingliping","author_link":"https:\/\/3dpmetal.com\/pt_br\/author\/yiyunyingliping\/"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":279,"filter":"raw","cat_ID":1,"category_count":279,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/3dpmetal.com\/pt_br\/wp-json\/wp\/v2\/posts\/4996","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3dpmetal.com\/pt_br\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/3dpmetal.com\/pt_br\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/3dpmetal.com\/pt_br\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/3dpmetal.com\/pt_br\/wp-json\/wp\/v2\/comments?post=4996"}],"version-history":[{"count":1,"href":"https:\/\/3dpmetal.com\/pt_br\/wp-json\/wp\/v2\/posts\/4996\/revisions"}],"predecessor-version":[{"id":4997,"href":"https:\/\/3dpmetal.com\/pt_br\/wp-json\/wp\/v2\/posts\/4996\/revisions\/4997"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3dpmetal.com\/pt_br\/wp-json\/wp\/v2\/media\/4255"}],"wp:attachment":[{"href":"https:\/\/3dpmetal.com\/pt_br\/wp-json\/wp\/v2\/media?parent=4996"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3dpmetal.com\/pt_br\/wp-json\/wp\/v2\/categories?post=4996"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3dpmetal.com\/pt_br\/wp-json\/wp\/v2\/tags?post=4996"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}