{"id":13622,"date":"2025-09-10T00:55:52","date_gmt":"2025-09-10T00:55:52","guid":{"rendered":"https:\/\/dev.hsmagnet.com\/?page_id=13622"},"modified":"2025-09-25T01:54:22","modified_gmt":"2025-09-25T01:54:22","slug":"ima-de-alnico-fundido","status":"publish","type":"page","link":"https:\/\/hsmagnet.com\/pt\/cast-alnico-magnet\/","title":{"rendered":"\u00cdm\u00e3 de Alnico Fundido"},"content":{"rendered":"<div class=\"wp-block-group alignfull is-style-section-5 has-global-padding is-layout-constrained wp-block-group-is-layout-constrained is-style-section-5--1\" style=\"padding-top:var(--wp--preset--spacing--70);padding-bottom:var(--wp--preset--spacing--70)\">\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-794e3cfa wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h1 class=\"wp-block-heading\">Fabricante de \u00edm\u00e3s de alnico fundido na China<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cdm\u00e3s de alnico fundido, abrevia\u00e7\u00e3o de ligas de alum\u00ednio-n\u00edquel-cobalto, s\u00e3o um elemento b\u00e1sico na tecnologia magn\u00e9tica desde a d\u00e9cada de 1930. Produzidos por meio de um processo de fundi\u00e7\u00e3o \u2014 no qual a liga fundida \u00e9 vazada em moldes e resfriada \u2014, esses \u00edm\u00e3s oferecem resist\u00eancia e estabilidade excepcionais. Ao contr\u00e1rio das op\u00e7\u00f5es modernas de terras raras, como o neod\u00edmio, o alnico fundido se destaca em ambientes de alta temperatura e proporciona um campo magn\u00e9tico quente e equilibrado. Eles s\u00e3o amplamente utilizados em tudo, desde guitarras el\u00e9tricas a sensores industriais, combinando confiabilidade vintage com utilidade moderna. Neste guia, analisaremos suas propriedades, tipos, aplica\u00e7\u00f5es e como eles se comparam a alternativas, ajudando voc\u00ea a decidir se o alnico fundido \u00e9 ideal para suas necessidades.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignfull is-style-default has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--70);padding-bottom:var(--wp--preset--spacing--70)\">\n<div class=\"wp-block-columns alignwide are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-794e3cfa wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\"><strong>Principais propriedades e vantagens<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Os \u00edm\u00e3s de alnico fundido s\u00e3o famosos por sua combina\u00e7\u00e3o \u00fanica de durabilidade e desempenho. Veja o que os diferencia:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Resist\u00eancia a altas temperaturas<\/strong>: Eles mant\u00eam a for\u00e7a magn\u00e9tica at\u00e9 550\u00b0C (1022\u00b0F), superando em muito o neod\u00edmio (que desmagnetiza em torno de 80\u00b0C\/176\u00b0F) \u2014 ideal para ambientes quentes, como motores ou fornos.<\/li>\n\n\n\n<li><strong>Campo magn\u00e9tico forte<\/strong>: Com produtos energ\u00e9ticos de at\u00e9 10 MGOe (mega Gauss-Oersteds), eles fornecem poder de reten\u00e7\u00e3o confi\u00e1vel sem a fragilidade das vers\u00f5es sinterizadas.<\/li>\n\n\n\n<li><strong>Resist\u00eancia \u00e0 corros\u00e3o<\/strong>: Naturalmente resistentes \u00e0 ferrugem, eles exigem revestimentos m\u00ednimos, o que os torna econ\u00f4micos para uso a longo prazo.<\/li>\n\n\n\n<li><strong>Usinabilidade<\/strong>: F\u00e1cil de moldar e usinar ap\u00f3s a fundi\u00e7\u00e3o, permitindo designs personalizados como hastes, barras ou ferraduras.<\/li>\n\n\n\n<li><strong>Estabilidade e Longevidade<\/strong>: Excelente reman\u00eancia (magnetismo residual) garante desempenho consistente ao longo de d\u00e9cadas, com baixa coercividade para aplica\u00e7\u00f5es que necessitam de resist\u00eancia \u00e0 desmagnetiza\u00e7\u00e3o.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Em compara\u00e7\u00e3o com o alnico sinterizado (feito por compress\u00e3o e aquecimento de p\u00f3), as vers\u00f5es fundidas oferecem uma estrutura de gr\u00e3os mais grossa para maior sa\u00edda magn\u00e9tica, mas podem apresentar pequenas inconsist\u00eancias. S\u00e3o menos potentes que o neod\u00edmio, mas superam em estabilidade e custo para necessidades de resist\u00eancia n\u00e3o extrema.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/cast-alnico-magnet.webp\" alt=\"\u00cdm\u00e3s de alnico fundidos em formatos de barras e hastes para aplica\u00e7\u00f5es industriais.\" class=\"wp-image-13120\" srcset=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/cast-alnico-magnet.webp 1024w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/cast-alnico-magnet-300x300.webp 300w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/cast-alnico-magnet-150x150.webp 150w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/cast-alnico-magnet-768x768.webp 768w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/cast-alnico-magnet-600x600.webp 600w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/cast-alnico-magnet-100x100.webp 100w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignfull is-style-section-5 has-global-padding is-layout-constrained wp-block-group-is-layout-constrained is-style-section-5--2\" style=\"padding-top:var(--wp--preset--spacing--70);padding-bottom:var(--wp--preset--spacing--70)\">\n<div class=\"wp-block-columns alignwide are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-794e3cfa wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/Alnico5-45x30x30xD6.351.jpg\" alt=\"Alnico5\" class=\"wp-image-12326\" srcset=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/Alnico5-45x30x30xD6.351.jpg 800w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/Alnico5-45x30x30xD6.351-300x300.jpg 300w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/Alnico5-45x30x30xD6.351-100x100.jpg 100w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/Alnico5-45x30x30xD6.351-600x600.jpg 600w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/Alnico5-45x30x30xD6.351-150x150.jpg 150w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/Alnico5-45x30x30xD6.351-768x768.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Tipos de \u00edm\u00e3s de Alnico fundido<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O alnico fundido vem em v\u00e1rios graus, cada um adaptado \u00e0s necessidades espec\u00edficas com base na composi\u00e7\u00e3o e nas propriedades magn\u00e9ticas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Alnico 2 e 3<\/strong>: \u00cdm\u00e3s mais suaves com campos quentes e equilibrados; comuns em captadores de guitarra vintage para tons suaves (por exemplo, produto de energia: 1,4-1,7 MGOe).<\/li>\n\n\n\n<li><strong>Alnico 5<\/strong>: O mais popular, oferecendo alta coercividade e desempenho brilhante e potente (at\u00e9 5,5 MGOe); usado em alto-falantes e motores.<\/li>\n\n\n\n<li><strong>Alnico 8<\/strong>: Tipo de fundi\u00e7\u00e3o mais forte com excelente estabilidade de temperatura (at\u00e9 9 MGOe); ideal para sensores e instrumentos de alta precis\u00e3o.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Os formatos incluem cilindros, blocos e formas personalizadas, com tamanhos que variam de pequenas hastes de 0,5\u2033 a grandes barras de 6\u2033.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50)\">\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-ffe1e5eb wp-block-columns-is-layout-flex\" style=\"padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>Processo de fabrica\u00e7\u00e3o passo a passo de \u00edm\u00e3s de AlNiCo fundidos<br><\/strong><\/h2>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-794e3cfa wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-large-font-size\">1.\u00a0<strong>Prepara\u00e7\u00e3o de mat\u00e9ria-prima<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A jornada come\u00e7a com a sele\u00e7\u00e3o de ingredientes de alta pureza. As ligas de AlNiCo normalmente consistem em:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ferro (Fe): 40-60% (material base)<\/li>\n\n\n\n<li>Cobalto (Co): 20-30% (aumenta a for\u00e7a magn\u00e9tica)<\/li>\n\n\n\n<li>N\u00edquel (Ni): 10-20% (melhora a resist\u00eancia \u00e0 corros\u00e3o)<\/li>\n\n\n\n<li>Alum\u00ednio (Al): 5-10% (aumenta a coercividade)<\/li>\n\n\n\n<li>Aditivos opcionais como cobre (Cu) ou tit\u00e2nio (Ti) para graus espec\u00edficos (por exemplo, AlNiCo 5 ou 8).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Esses materiais s\u00e3o pesados com precis\u00e3o para corresponder \u00e0 gradua\u00e7\u00e3o desejada. As impurezas s\u00e3o minimizadas para garantir propriedades magn\u00e9ticas ideais. Curiosidade: a composi\u00e7\u00e3o exata pode ser ajustada para \u00edm\u00e3s isotr\u00f3picos (magnetismo uniforme) ou anisotr\u00f3picos (direcionais).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.\u00a0<strong>Fus\u00e3o e Liga\u00e7\u00e3o<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">As mat\u00e9rias-primas s\u00e3o carregadas em um forno de indu\u00e7\u00e3o ou a arco el\u00e9trico e aquecidas a cerca de 1.500-1.600 \u00b0C. Essa alta temperatura funde tudo, formando uma liga l\u00edquida homog\u00eanea. A agita\u00e7\u00e3o garante uma mistura uniforme, e o fundido \u00e9 frequentemente desgaseificado para remover gases retidos que podem causar defeitos.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dica importante<\/strong>:Para \u00edm\u00e3s anisotr\u00f3picos, a liga \u00e0s vezes \u00e9 tratada com um campo magn\u00e9tico durante a fus\u00e3o para alinhar as estruturas cristalinas desde o in\u00edcio.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A liga fundida \u00e9 ent\u00e3o refinada para remover esc\u00f3ria ou impurezas, preparando-a para fundi\u00e7\u00e3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.\u00a0<strong>Fundi\u00e7\u00e3o em moldes<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c9 aqui que entra a &quot;fundi\u00e7\u00e3o&quot; em AlNiCo fundido! A liga fundida \u00e9 vazada em moldes de areia pr\u00e9-aquecidos, moldes de concha ou moldes met\u00e1licos permanentes projetados para o formato final (por exemplo, barras, an\u00e9is ou ferraduras).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Controle de resfriamento<\/strong>: \u00c0 medida que a liga solidifica, ela \u00e9 resfriada lentamente em um ambiente controlado. Para \u00edm\u00e3s anisotr\u00f3picos, essa etapa geralmente inclui a aplica\u00e7\u00e3o de um campo magn\u00e9tico externo (resfriamento de campo) para alinhar os dom\u00ednios magn\u00e9ticos, aumentando o desempenho em at\u00e9 30-50%.<\/li>\n\n\n\n<li><strong>Tempo de Solidifica\u00e7\u00e3o<\/strong>: Isso pode levar de minutos a horas, dependendo do tamanho. O resultado \u00e9 uma fundi\u00e7\u00e3o bruta com uma estrutura de gr\u00e3os colunares, crucial para um forte magnetismo.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4.\u00a0<strong>Tratamento t\u00e9rmico e recozimento<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">As pe\u00e7as fundidas recentemente s\u00e3o quebradi\u00e7as e ainda n\u00e3o totalmente magn\u00e9ticas. O tratamento t\u00e9rmico refina a microestrutura:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Recozimento de solu\u00e7\u00e3o<\/strong>: Aquecido a 1.200-1.300\u00b0C e mantido por horas para dissolver as fases uniformemente.<\/li>\n\n\n\n<li><strong>Envelhecimento<\/strong>: Resfriado lentamente ou temperado, depois envelhecido em temperaturas mais baixas (500-600\u00b0C) para precipitar fases magn\u00e9ticas como Fe-Co.<\/li>\n\n\n\n<li><strong>Aplica\u00e7\u00e3o de campo magn\u00e9tico<\/strong>: Durante o resfriamento, um forte campo magn\u00e9tico (at\u00e9 10.000 Oe) \u00e9 aplicado para aumentar a anisotropia.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Esta etapa otimiza a coercividade e a reman\u00eancia, transformando a fundi\u00e7\u00e3o em um \u00edm\u00e3 de alto desempenho.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5.\u00a0<strong>Usinagem e Acabamento<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O AlNiCo fundido \u00e9 duro e resistente ao desgaste, por isso a usinagem \u00e9 feita com ferramentas diamantadas ou rebolos:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pe\u00e7as fundidas brutas s\u00e3o cortadas, retificadas ou perfuradas em dimens\u00f5es precisas.<\/li>\n\n\n\n<li>As superf\u00edcies s\u00e3o polidas para ficarem lisas e as bordas s\u00e3o rebarbadas.<\/li>\n\n\n\n<li>Revestimentos opcionais (por exemplo, tinta ou galvanoplastia) protegem contra corros\u00e3o em ambientes \u00famidos.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Os n\u00edveis de toler\u00e2ncia podem ser t\u00e3o rigorosos quanto \u00b10,05 mm para aplica\u00e7\u00f5es de precis\u00e3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6.\u00a0<strong>Magnetiza\u00e7\u00e3o e Teste<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Etapa final: a pe\u00e7a usinada \u00e9 colocada em um eletro\u00edm\u00e3 potente ou magnetizador de pulsos para satur\u00e1-la com um campo magn\u00e9tico permanente. Os testes seguem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Propriedades magn\u00e9ticas (por exemplo, Br, Hc) s\u00e3o medidas usando gr\u00e1ficos de histerese.<\/li>\n\n\n\n<li>Verifica\u00e7\u00f5es de qualidade quanto a rachaduras, densidade e uniformidade garantem que ele atenda a padr\u00f5es como ISO 9001.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Se tudo passar, o \u00edm\u00e3 estar\u00e1 pronto para ser embalado e enviado!<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignfull is-style-section-5 has-global-padding is-layout-constrained wp-block-group-is-layout-constrained is-style-section-5--3\" style=\"padding-top:var(--wp--preset--spacing--70);padding-bottom:var(--wp--preset--spacing--70)\">\n<div class=\"wp-block-columns alignwide are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-794e3cfa wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Aplica\u00e7\u00f5es do mundo real<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Os \u00edm\u00e3s de alnico fundido prosperam em cen\u00e1rios exigentes onde a confiabilidade supera a pot\u00eancia bruta:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u00fasica e \u00c1udio<\/strong>: Essenciais em captadores de guitarra (por exemplo, Fender Stratocaster ou Gibson humbuckers) por seu sustain quente e vibe vintage. Eles moldam o timbre influenciando a detec\u00e7\u00e3o de vibra\u00e7\u00e3o das cordas.<\/li>\n\n\n\n<li><strong>Industrial e Automotivo<\/strong>: Usado em motores el\u00e9tricos, geradores e freios por sua resist\u00eancia ao calor \u2014 perfeito para sensores automotivos ou dispositivos de fixa\u00e7\u00e3o na fabrica\u00e7\u00e3o.<\/li>\n\n\n\n<li><strong>Sensores e Instrumentos<\/strong>: Em dispositivos m\u00e9dicos, como aparelhos de resson\u00e2ncia magn\u00e9tica ou medidores de vaz\u00e3o, sua estabilidade garante leituras precisas sem recalibra\u00e7\u00e3o frequente.<\/li>\n\n\n\n<li><strong>Aeroespacial e Defesa<\/strong>: Empregado em b\u00fassolas, girosc\u00f3pios e mecanismos de reten\u00e7\u00e3o devido \u00e0 resist\u00eancia \u00e0 corros\u00e3o e durabilidade em condi\u00e7\u00f5es extremas.<\/li>\n\n\n\n<li><strong>Usos di\u00e1rios<\/strong>: De separadores magn\u00e9ticos na reciclagem a ferramentas educacionais em laborat\u00f3rios de f\u00edsica.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Sua versatilidade os torna uma escolha para engenheiros que priorizam a longevidade em vez da resist\u00eancia m\u00e1xima.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/06\/Alnico-5-magnet-in-electric-guitar-pickup-1024x683.webp\" alt=\"\u00cdm\u00e3 de Alnico 5 em captador de guitarra el\u00e9trica.\" class=\"wp-image-13662\" srcset=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/06\/Alnico-5-magnet-in-electric-guitar-pickup-1024x683.webp 1024w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/06\/Alnico-5-magnet-in-electric-guitar-pickup-300x200.webp 300w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/06\/Alnico-5-magnet-in-electric-guitar-pickup-768x512.webp 768w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/06\/Alnico-5-magnet-in-electric-guitar-pickup-1536x1024.webp 1536w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/06\/Alnico-5-magnet-in-electric-guitar-pickup-600x400.webp 600w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/06\/Alnico-5-magnet-in-electric-guitar-pickup.webp 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignfull is-style-default has-base-color has-text-color has-background has-link-color wp-elements-1 has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"background:linear-gradient(10deg,rgb(0,0,0) 0%,rgb(81,151,224) 100%);padding-top:var(--wp--preset--spacing--60);padding-bottom:var(--wp--preset--spacing--60)\">\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-794e3cfa wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center\">Entre em contato<\/h2>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Junte-se a centenas de clientes satisfeitos que confiam na HS Magnet para suas aplica\u00e7\u00f5es magn\u00e9ticas cr\u00edticas.<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Entre em contato com nossa equipe de especialistas para consultas t\u00e9cnicas, solu\u00e7\u00f5es personalizadas ou d\u00favidas sobre produtos<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-794e3cfa wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-35f06ea7 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-base-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/hsmagnet.com\/pt\/contate-nos\/\" style=\"background-color:#0975d9\">Contate-nos<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><br><\/p>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Cast Alnico Magnets Manufacturer in China Cast alnico magnets, short for aluminum-nickel-cobalt alloys, have been a staple in magnetic technology since the 1930s. Produced through a casting process\u2014where molten alloy is poured into molds and cooled\u2014these magnets offer exceptional strength and stability. Unlike modern rare-earth options like neodymium, cast alnico excels in high-temperature environments and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-no-title","meta":{"_acf_changed":false,"_eb_attr":"","footnotes":""},"class_list":["post-13622","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cast Alnico Magnets | HSMAGNET Industrial Magnet Supplier<\/title>\n<meta name=\"description\" content=\"HSMAGNET provides cast Alnico magnets with superior temperature stability, durability, and consistent magnetic performance. Available for custom design and bulk supply to meet diverse industrial applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hsmagnet.com\/pt\/ima-de-alnico-fundido\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cast Alnico Magnets | HSMAGNET Industrial Magnet Supplier\" \/>\n<meta property=\"og:description\" content=\"HSMAGNET provides cast Alnico magnets with superior temperature stability, durability, and consistent magnetic performance. Available for custom design and bulk supply to meet diverse industrial applications.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hsmagnet.com\/pt\/ima-de-alnico-fundido\/\" \/>\n<meta property=\"og:site_name\" content=\"Hangzhou HS Magnet Co.,Ltd.\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-25T01:54:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/cast-alnico-magnet.webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"6 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/cast-alnico-magnet\\\/\",\"url\":\"https:\\\/\\\/hsmagnet.com\\\/cast-alnico-magnet\\\/\",\"name\":\"Cast Alnico Magnets | HSMAGNET Industrial Magnet Supplier\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/cast-alnico-magnet\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/cast-alnico-magnet\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/hsmagnet.com\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/cast-alnico-magnet.webp\",\"datePublished\":\"2025-09-10T00:55:52+00:00\",\"dateModified\":\"2025-09-25T01:54:22+00:00\",\"description\":\"HSMAGNET provides cast Alnico magnets with superior temperature stability, durability, and consistent magnetic performance. 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