{"id":11390,"date":"2024-07-05T02:33:29","date_gmt":"2024-07-05T02:33:29","guid":{"rendered":"https:\/\/hsmagnet.com\/?p=11390"},"modified":"2025-09-12T06:59:11","modified_gmt":"2025-09-12T06:59:11","slug":"%e6%96%b9%e5%90%91%e6%80%a7%e5%87%9d%e5%9b%ba%e3%81%8c%e3%82%a2%e3%83%ab%e3%83%8b%e3%82%b3%e7%a3%81%e7%9f%b3%e3%81%ae%e6%80%a7%e8%83%bd%e3%82%92%e5%90%91%e4%b8%8a%e3%81%95%e3%81%9b%e3%82%8b%e4%bb%95","status":"publish","type":"post","link":"https:\/\/hsmagnet.com\/ja\/2024\/07\/05\/how-directional-solidification-enhances-alnico-magnet-performance\/","title":{"rendered":"\u65b9\u5411\u6027\u51dd\u56fa\u304c\u30a2\u30eb\u30cb\u30b3\u78c1\u77f3\u306e\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u4ed5\u7d44\u307f"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/hsmagnet.com\/magnetic-materials\/alnico-magnets\/\">Alnico magnets<\/a>, made from an alloy of <strong>aluminum, nickel, cobalt, and iron<\/strong>, are among the earliest permanent magnetic materials developed for industrial use. Even though rare-earth magnets like <strong>NdFeB<\/strong> and <strong>SmCo<\/strong> dominate many high-performance applications today, Alnico still holds an important place due to its <strong>excellent temperature stability, corrosion resistance, and long service history<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But what truly sets the performance of Alnico apart is not only its composition, but also its <strong>microstructure<\/strong>\u2014and this is where <strong>directional solidification<\/strong> plays a key role.<\/p>\n\n\n<div class=\"root-eb-toc-w11n8 wp-block-essential-blocks-table-of-contents\"><div class=\"eb-parent-wrapper eb-parent-eb-toc-w11n8 \"><div class=\"eb-toc-container eb-toc-w11n8  eb-toc-is-not-sticky eb-toc-not-collapsible eb-toc-initially-not-collapsed eb-toc-scrollToTop style-1 list-style-none\" data-scroll-top=\"false\" data-scroll-top-icon=\"fas fa-angle-up\" data-collapsible=\"false\" data-sticky-hide-mobile=\"false\" data-sticky=\"false\" data-scroll-target=\"scroll_to_toc\" data-copy-link=\"false\" data-editor-type=\"\" data-hide-desktop=\"false\" data-hide-tab=\"false\" data-hide-mobile=\"false\" data-itemcollapsed=\"false\" data-highlight-scroll=\"false\"><div class=\"eb-toc-header\"><h2 class=\"eb-toc-title\">Table of Contents<\/h2><\/div><div class=\"eb-toc-wrapper \" data-headers=\"[{&quot;level&quot;:2,&quot;content&quot;:&quot;Directional Solidification and Microstructure Control&quot;,&quot;text&quot;:&quot;Directional Solidification and Microstructure Control&quot;,&quot;link&quot;:&quot;directional-solidification-and-microstructure-control&quot;},{&quot;level&quot;:2,&quot;content&quot;:&quot;The Role of Columnar Crystals&quot;,&quot;text&quot;:&quot;The Role of Columnar Crystals&quot;,&quot;link&quot;:&quot;the-role-of-columnar-crystals&quot;},{&quot;level&quot;:2,&quot;content&quot;:&quot;Alnico Grades Benefiting from Directional Solidification&quot;,&quot;text&quot;:&quot;Alnico Grades Benefiting from Directional Solidification&quot;,&quot;link&quot;:&quot;alnico-grades-benefiting-from-directional-solidification&quot;},{&quot;level&quot;:2,&quot;content&quot;:&quot;Comparison of Magnetic Properties&quot;,&quot;text&quot;:&quot;Comparison of Magnetic Properties&quot;,&quot;link&quot;:&quot;comparison-of-magnetic-properties&quot;},{&quot;level&quot;:2,&quot;content&quot;:&quot;Conclusion&quot;,&quot;text&quot;:&quot;Conclusion&quot;,&quot;link&quot;:&quot;conclusion&quot;}]\" data-visible=\"[true,true,true,true,true,true]\" data-delete-headers=\"[{&quot;label&quot;:&quot;Directional Solidification and Microstructure Control&quot;,&quot;value&quot;:&quot;directional-solidification-and-microstructure-control&quot;,&quot;isDelete&quot;:false},{&quot;label&quot;:&quot;The Role of Columnar Crystals&quot;,&quot;value&quot;:&quot;the-role-of-columnar-crystals&quot;,&quot;isDelete&quot;:false},{&quot;label&quot;:&quot;Alnico Grades Benefiting from Directional Solidification&quot;,&quot;value&quot;:&quot;alnico-grades-benefiting-from-directional-solidification&quot;,&quot;isDelete&quot;:false},{&quot;label&quot;:&quot;Comparison of Magnetic Properties&quot;,&quot;value&quot;:&quot;comparison-of-magnetic-properties&quot;,&quot;isDelete&quot;:false},{&quot;label&quot;:&quot;Conclusion&quot;,&quot;value&quot;:&quot;conclusion&quot;,&quot;isDelete&quot;:false}]\" data-smooth=\"true\" data-top-offset=\"\"><div class=\"eb-toc__list-wrap\"><ul class=\"eb-toc__list\"><li><a href=\"#directional-solidification-and-microstructure-control\">Directional Solidification and Microstructure Control<\/a><li><a href=\"#the-role-of-columnar-crystals\">The Role of Columnar Crystals<\/a><li><a href=\"#alnico-grades-benefiting-from-directional-solidification\">Alnico Grades Benefiting from Directional Solidification<\/a><li><a href=\"#comparison-of-magnetic-properties\">Comparison of Magnetic Properties<\/a><li><a href=\"#conclusion\">Conclusion<\/a><\/ul><\/div><\/div><\/div><\/div><\/div>\n\n\n<h2 class=\"wp-block-heading\">Directional Solidification and Microstructure Control<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When Alnico alloy is cast, the <strong>solidification process<\/strong> determines the arrangement of its grains. By carefully controlling cooling rates and thermal gradients, manufacturers can achieve <strong>directional solidification<\/strong>, where the crystal grains solidify in a preferred orientation rather than randomly.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Random solidification<\/strong> \u2192 equiaxed grains with limited magnetic anisotropy.<\/li>\n\n\n\n<li><strong>Directional solidification<\/strong> \u2192 long, aligned <strong>columnar crystals<\/strong> along the cooling direction.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These <strong>columnar grains<\/strong> are crucial because they allow the magnet to have a <strong>preferred axis of magnetization<\/strong>, greatly enhancing <strong>remanence (Br)<\/strong> and <strong>coercivity (Hc)<\/strong> compared to isotropic structures.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"847\" height=\"360\" src=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/Collection-of-various-Alnico-magnet-shapes-bar-horseshoe-ring-and-their-historical-applications.webp\" alt=\"Collection of various Alnico magnet shapes (bar, horseshoe, ring) and their historical applications.\" class=\"wp-image-13721\" srcset=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/Collection-of-various-Alnico-magnet-shapes-bar-horseshoe-ring-and-their-historical-applications.webp 847w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/Collection-of-various-Alnico-magnet-shapes-bar-horseshoe-ring-and-their-historical-applications-300x128.webp 300w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/Collection-of-various-Alnico-magnet-shapes-bar-horseshoe-ring-and-their-historical-applications-768x326.webp 768w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/Collection-of-various-Alnico-magnet-shapes-bar-horseshoe-ring-and-their-historical-applications-600x255.webp 600w\" sizes=\"auto, (max-width: 847px) 100vw, 847px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">The Role of Columnar Crystals<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Columnar crystals give rise to <strong>magnetic anisotropy<\/strong> in Alnico magnets. Instead of magnetic domains being distributed in all directions, they align along a chosen axis, which improves performance in that direction.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Key benefits of columnar crystal formation include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Higher magnetic energy product (BHmax)<\/strong> \u2192 more powerful magnets.<\/li>\n\n\n\n<li><strong>Improved coercivity (Hc)<\/strong> \u2192 stronger resistance to demagnetization.<\/li>\n\n\n\n<li><strong>Optimized remanence (Br)<\/strong> \u2192 stronger retained magnetism.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This microstructural engineering makes Alnico magnets especially effective in <strong>sensors, measuring instruments, and high-temperature applications<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Alnico Grades Benefiting from Directional Solidification<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/Infographic-comparing-magnetic-properties-coercivity-remanence-of-Alnico-magnets-before-and-after-directional-solidification.webp\" alt=\"Infographic comparing magnetic properties (coercivity, remanence) of Alnico magnets before and after directional solidification.\" class=\"wp-image-13722\" srcset=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/Infographic-comparing-magnetic-properties-coercivity-remanence-of-Alnico-magnets-before-and-after-directional-solidification.webp 1024w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/Infographic-comparing-magnetic-properties-coercivity-remanence-of-Alnico-magnets-before-and-after-directional-solidification-300x300.webp 300w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/Infographic-comparing-magnetic-properties-coercivity-remanence-of-Alnico-magnets-before-and-after-directional-solidification-150x150.webp 150w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/Infographic-comparing-magnetic-properties-coercivity-remanence-of-Alnico-magnets-before-and-after-directional-solidification-768x768.webp 768w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/Infographic-comparing-magnetic-properties-coercivity-remanence-of-Alnico-magnets-before-and-after-directional-solidification-600x600.webp 600w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/Infographic-comparing-magnetic-properties-coercivity-remanence-of-Alnico-magnets-before-and-after-directional-solidification-100x100.webp 100w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Several <strong>Alnico magnet grades<\/strong> specifically rely on directional solidification and columnar crystal control:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Alnico 5DG (Directional Grain)<\/strong>\n<ul class=\"wp-block-list\">\n<li>Produced using directional solidification techniques.<\/li>\n\n\n\n<li>Features columnar grains aligned with the magnetization axis.<\/li>\n\n\n\n<li>Offers higher anisotropy and better energy product than standard Alnico 5.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Alnico 5-7<\/strong>\n<ul class=\"wp-block-list\">\n<li>A higher coercivity grade derived from controlled grain growth and specialized heat treatment.<\/li>\n\n\n\n<li>Used in applications requiring resistance to demagnetizing forces.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Alnico 9<\/strong>\n<ul class=\"wp-block-list\">\n<li>The highest coercivity grade among Alnicos.<\/li>\n\n\n\n<li>Achieved through precise control of solidification and grain refinement.<\/li>\n\n\n\n<li>Provides strong demagnetization resistance, making it suitable for demanding magnetic circuits.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Alnico 5 (China LNG44 vs LNG40)<\/strong>\n<ul class=\"wp-block-list\">\n<li>In China, a special Alnico 5 grade known as <strong>LNG44<\/strong> shows improved magnetic performance compared with the common <strong>LNG40<\/strong>.<\/li>\n\n\n\n<li>This is because <strong>LNG44 develops columnar crystals early in the solidification process<\/strong>, which enhances anisotropy and results in higher magnetic strength.<\/li>\n\n\n\n<li>LNG44 is often chosen when applications require <strong>better remanence and energy product<\/strong> than standard Alnico 5 can provide.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Comparison of Magnetic Properties<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Grade<\/th><th>Remanence (Br, kGs)<\/th><th>Coercivity (Hc, Oe)<\/th><th>Energy Product (BHmax, MGOe)<\/th><th>Notes<\/th><\/tr><\/thead><tbody><tr><td><strong><a href=\"https:\/\/hsmagnet.com\/tag\/alnico-5-magnets\/\">Alnico 5 <\/a>(LNG40)<\/strong><\/td><td>12.5 \u2013 13.0<\/td><td>600 \u2013 650<\/td><td>5.0 <\/td><td>Standard Alnico 5, widely used.<\/td><\/tr><tr><td><strong>Alnico 5 (LNG44)<\/strong><\/td><td>13.0-13.2<\/td><td>620 \u2013 680<\/td><td>5.5 <\/td><td>Early columnar crystals improve performance vs LNG40.<\/td><\/tr><tr><td><strong>Alnico 5DG<\/strong><\/td><td>13.0-13.5<\/td><td>650 \u2013 700<\/td><td>6.5<\/td><td>Directional grain, strong anisotropy.<\/td><\/tr><tr><td><strong>Alnico 5-7<\/strong><\/td><td>13.2 \u2013 13.5<\/td><td>680-720<\/td><td>7.5<\/td><td>Higher coercivity, excellent demagnetization resistance.<\/td><\/tr><tr><td><strong>Alnico 9<\/strong><\/td><td>10.2-10.5<\/td><td>1500-1600<\/td><td>9.8-10.2<\/td><td>Highest coercivity among Alnicos, specialized uses.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>(Values are typical ranges; actual data may vary slightly by manufacturer.)<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The advancement of Alnico magnets is not only about alloy composition, but also about <strong>mastering the solidification process<\/strong>. Through <strong>directional solidification<\/strong> and the deliberate creation of <strong>columnar crystals<\/strong>, engineers have been able to significantly enhance the magnetic properties of Alnico.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Grades like <strong>Alnico 5DG, Alnico 5-7, Alnico 9, and China\u2019s LNG44<\/strong> are prime examples of how <strong>microstructural control<\/strong> can transform performance, allowing Alnico magnets to continue playing a vital role in specialized industries\u2014even in the era of rare-earth magnets.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Alnico magnets, made from an alloy of aluminum, nickel, cobalt, and iron, are among the earliest permanent magnetic materials developed for industrial use. Even though rare-earth magnets like NdFeB and SmCo dominate many high-performance applications today, Alnico still holds an important place due to its excellent temperature stability, corrosion resistance, and long service history. But what truly sets the performance of Alnico apart is not only its composition, but also its microstructure\u2014and this is where directional solidification plays a key role. Directional Solidification and Microstructure Control When Alnico alloy is cast, the solidification process determines the arrangement of its grains. By carefully controlling cooling rates and thermal gradients, manufacturers can [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":13720,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","footnotes":""},"categories":[25],"tags":[],"class_list":["post-11390","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-alnico-magnet"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How Directional Solidification Enhances Alnico Magnet Performance - Hangzhou HS Magnet Co.,Ltd.<\/title>\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\/ja\/2024\/07\/05\/\u65b9\u5411\u6027\u51dd\u56fa\u304c\u30a2\u30eb\u30cb\u30b3\u78c1\u77f3\u306e\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u4ed5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Directional Solidification Enhances Alnico Magnet Performance - Hangzhou HS Magnet Co.,Ltd.\" \/>\n<meta property=\"og:description\" content=\"Alnico magnets, made from an alloy of aluminum, nickel, cobalt, and iron, are among the earliest permanent magnetic materials developed for industrial use. Even though rare-earth magnets like NdFeB and SmCo dominate many high-performance applications today, Alnico still holds an important place due to its excellent temperature stability, corrosion resistance, and long service history. But what truly sets the performance of Alnico apart is not only its composition, but also its microstructure\u2014and this is where directional solidification plays a key role. Directional Solidification and Microstructure Control When Alnico alloy is cast, the solidification process determines the arrangement of its grains. By carefully controlling cooling rates and thermal gradients, manufacturers can [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hsmagnet.com\/ja\/2024\/07\/05\/\u65b9\u5411\u6027\u51dd\u56fa\u304c\u30a2\u30eb\u30cb\u30b3\u78c1\u77f3\u306e\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u4ed5\/\" \/>\n<meta property=\"og:site_name\" content=\"Hangzhou HS Magnet Co.,Ltd.\" \/>\n<meta property=\"article:published_time\" content=\"2024-07-05T02:33:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-12T06:59:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/High-quality-close-up-of-an-Alnico-magnet.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Jacky Wang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jacky Wang\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"4\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/2024\\\/07\\\/05\\\/how-directional-solidification-enhances-alnico-magnet-performance\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/2024\\\/07\\\/05\\\/how-directional-solidification-enhances-alnico-magnet-performance\\\/\"},\"author\":{\"name\":\"Jacky Wang\",\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/#\\\/schema\\\/person\\\/2042961b22b388427c42af00bf3eb9fd\"},\"headline\":\"How Directional Solidification Enhances Alnico Magnet Performance\",\"datePublished\":\"2024-07-05T02:33:29+00:00\",\"dateModified\":\"2025-09-12T06:59:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/2024\\\/07\\\/05\\\/how-directional-solidification-enhances-alnico-magnet-performance\\\/\"},\"wordCount\":564,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/2024\\\/07\\\/05\\\/how-directional-solidification-enhances-alnico-magnet-performance\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/hsmagnet.com\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/High-quality-close-up-of-an-Alnico-magnet.webp\",\"articleSection\":[\"Alnico Magnet\"],\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/hsmagnet.com\\\/2024\\\/07\\\/05\\\/how-directional-solidification-enhances-alnico-magnet-performance\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/2024\\\/07\\\/05\\\/how-directional-solidification-enhances-alnico-magnet-performance\\\/\",\"url\":\"https:\\\/\\\/hsmagnet.com\\\/2024\\\/07\\\/05\\\/how-directional-solidification-enhances-alnico-magnet-performance\\\/\",\"name\":\"How Directional Solidification Enhances Alnico Magnet Performance - Hangzhou HS Magnet Co.,Ltd.\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/2024\\\/07\\\/05\\\/how-directional-solidification-enhances-alnico-magnet-performance\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/2024\\\/07\\\/05\\\/how-directional-solidification-enhances-alnico-magnet-performance\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/hsmagnet.com\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/High-quality-close-up-of-an-Alnico-magnet.webp\",\"datePublished\":\"2024-07-05T02:33:29+00:00\",\"dateModified\":\"2025-09-12T06:59:11+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/2024\\\/07\\\/05\\\/how-directional-solidification-enhances-alnico-magnet-performance\\\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/hsmagnet.com\\\/2024\\\/07\\\/05\\\/how-directional-solidification-enhances-alnico-magnet-performance\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/2024\\\/07\\\/05\\\/how-directional-solidification-enhances-alnico-magnet-performance\\\/#primaryimage\",\"url\":\"https:\\\/\\\/hsmagnet.com\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/High-quality-close-up-of-an-Alnico-magnet.webp\",\"contentUrl\":\"https:\\\/\\\/hsmagnet.com\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/High-quality-close-up-of-an-Alnico-magnet.webp\",\"width\":600,\"height\":600,\"caption\":\"High-quality close-up of an Alnico magnet\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/2024\\\/07\\\/05\\\/how-directional-solidification-enhances-alnico-magnet-performance\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/hsmagnet.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How Directional Solidification Enhances Alnico Magnet Performance\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/#website\",\"url\":\"https:\\\/\\\/hsmagnet.com\\\/\",\"name\":\"Hangzhou HS Magnet Co.,Ltd.\",\"description\":\"Leading manufacturer of premium permanent magnets for industrial applications in china\",\"publisher\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/hsmagnet.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/#organization\",\"name\":\"Hangzhou HS Magnet Co.,Ltd.\",\"url\":\"https:\\\/\\\/hsmagnet.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/hsmagnet.com\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/logo_pc.png\",\"contentUrl\":\"https:\\\/\\\/hsmagnet.com\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/logo_pc.png\",\"width\":237,\"height\":64,\"caption\":\"Hangzhou HS Magnet Co.,Ltd.\"},\"image\":{\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/hsmagnet.com\\\/#\\\/schema\\\/person\\\/2042961b22b388427c42af00bf3eb9fd\",\"name\":\"Jacky Wang\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/772768cdba99bb92e47ac9e35be1cd4f1ed0df4c6a0394791fa7d3ac0519daf9?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/772768cdba99bb92e47ac9e35be1cd4f1ed0df4c6a0394791fa7d3ac0519daf9?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/772768cdba99bb92e47ac9e35be1cd4f1ed0df4c6a0394791fa7d3ac0519daf9?s=96&d=mm&r=g\",\"caption\":\"Jacky Wang\"},\"sameAs\":[\"https:\\\/\\\/dev.hsmagnet.com\"],\"url\":\"https:\\\/\\\/hsmagnet.com\\\/ja\\\/author\\\/hsmagnet-admin\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u65b9\u5411\u6027\u51dd\u56fa\u304c\u30a2\u30eb\u30cb\u30b3\u78c1\u77f3\u306e\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u4ed5\u7d44\u307f - \u676d\u5dde HS \u30de\u30b0\u30cd\u30c3\u30c8\u682a\u5f0f\u4f1a\u793e","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/hsmagnet.com\/ja\/2024\/07\/05\/\u65b9\u5411\u6027\u51dd\u56fa\u304c\u30a2\u30eb\u30cb\u30b3\u78c1\u77f3\u306e\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u4ed5\/","og_locale":"ja_JP","og_type":"article","og_title":"How Directional Solidification Enhances Alnico Magnet Performance - Hangzhou HS Magnet Co.,Ltd.","og_description":"Alnico magnets, made from an alloy of aluminum, nickel, cobalt, and iron, are among the earliest permanent magnetic materials developed for industrial use. Even though rare-earth magnets like NdFeB and SmCo dominate many high-performance applications today, Alnico still holds an important place due to its excellent temperature stability, corrosion resistance, and long service history. But what truly sets the performance of Alnico apart is not only its composition, but also its microstructure\u2014and this is where directional solidification plays a key role. Directional Solidification and Microstructure Control When Alnico alloy is cast, the solidification process determines the arrangement of its grains. By carefully controlling cooling rates and thermal gradients, manufacturers can [&hellip;]","og_url":"https:\/\/hsmagnet.com\/ja\/2024\/07\/05\/\u65b9\u5411\u6027\u51dd\u56fa\u304c\u30a2\u30eb\u30cb\u30b3\u78c1\u77f3\u306e\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u4ed5\/","og_site_name":"Hangzhou HS Magnet Co.,Ltd.","article_published_time":"2024-07-05T02:33:29+00:00","article_modified_time":"2025-09-12T06:59:11+00:00","og_image":[{"width":600,"height":600,"url":"https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/High-quality-close-up-of-an-Alnico-magnet.webp","type":"image\/webp"}],"author":"Jacky Wang","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"Jacky Wang","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"4\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/hsmagnet.com\/2024\/07\/05\/how-directional-solidification-enhances-alnico-magnet-performance\/#article","isPartOf":{"@id":"https:\/\/hsmagnet.com\/2024\/07\/05\/how-directional-solidification-enhances-alnico-magnet-performance\/"},"author":{"name":"Jacky Wang","@id":"https:\/\/hsmagnet.com\/#\/schema\/person\/2042961b22b388427c42af00bf3eb9fd"},"headline":"How Directional Solidification Enhances Alnico Magnet Performance","datePublished":"2024-07-05T02:33:29+00:00","dateModified":"2025-09-12T06:59:11+00:00","mainEntityOfPage":{"@id":"https:\/\/hsmagnet.com\/2024\/07\/05\/how-directional-solidification-enhances-alnico-magnet-performance\/"},"wordCount":564,"commentCount":0,"publisher":{"@id":"https:\/\/hsmagnet.com\/#organization"},"image":{"@id":"https:\/\/hsmagnet.com\/2024\/07\/05\/how-directional-solidification-enhances-alnico-magnet-performance\/#primaryimage"},"thumbnailUrl":"https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/High-quality-close-up-of-an-Alnico-magnet.webp","articleSection":["Alnico Magnet"],"inLanguage":"ja","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/hsmagnet.com\/2024\/07\/05\/how-directional-solidification-enhances-alnico-magnet-performance\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/hsmagnet.com\/2024\/07\/05\/how-directional-solidification-enhances-alnico-magnet-performance\/","url":"https:\/\/hsmagnet.com\/2024\/07\/05\/how-directional-solidification-enhances-alnico-magnet-performance\/","name":"\u65b9\u5411\u6027\u51dd\u56fa\u304c\u30a2\u30eb\u30cb\u30b3\u78c1\u77f3\u306e\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u4ed5\u7d44\u307f - \u676d\u5dde HS \u30de\u30b0\u30cd\u30c3\u30c8\u682a\u5f0f\u4f1a\u793e","isPartOf":{"@id":"https:\/\/hsmagnet.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/hsmagnet.com\/2024\/07\/05\/how-directional-solidification-enhances-alnico-magnet-performance\/#primaryimage"},"image":{"@id":"https:\/\/hsmagnet.com\/2024\/07\/05\/how-directional-solidification-enhances-alnico-magnet-performance\/#primaryimage"},"thumbnailUrl":"https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/High-quality-close-up-of-an-Alnico-magnet.webp","datePublished":"2024-07-05T02:33:29+00:00","dateModified":"2025-09-12T06:59:11+00:00","breadcrumb":{"@id":"https:\/\/hsmagnet.com\/2024\/07\/05\/how-directional-solidification-enhances-alnico-magnet-performance\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/hsmagnet.com\/2024\/07\/05\/how-directional-solidification-enhances-alnico-magnet-performance\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/hsmagnet.com\/2024\/07\/05\/how-directional-solidification-enhances-alnico-magnet-performance\/#primaryimage","url":"https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/High-quality-close-up-of-an-Alnico-magnet.webp","contentUrl":"https:\/\/hsmagnet.com\/wp-content\/uploads\/2024\/07\/High-quality-close-up-of-an-Alnico-magnet.webp","width":600,"height":600,"caption":"High-quality close-up of an Alnico magnet"},{"@type":"BreadcrumbList","@id":"https:\/\/hsmagnet.com\/2024\/07\/05\/how-directional-solidification-enhances-alnico-magnet-performance\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/hsmagnet.com\/"},{"@type":"ListItem","position":2,"name":"How Directional Solidification Enhances Alnico Magnet Performance"}]},{"@type":"WebSite","@id":"https:\/\/hsmagnet.com\/#website","url":"https:\/\/hsmagnet.com\/","name":"\u676d\u5ddeHS\u30de\u30b0\u30cd\u30c3\u30c8\u682a\u5f0f\u4f1a\u793e","description":"\u4e2d\u56fd\u306b\u304a\u3051\u308b\u7523\u696d\u7528\u9014\u5411\u3051\u9ad8\u54c1\u8cea\u6c38\u4e45\u78c1\u77f3\u306e\u5927\u624b\u30e1\u30fc\u30ab\u30fc","publisher":{"@id":"https:\/\/hsmagnet.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/hsmagnet.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/hsmagnet.com\/#organization","name":"\u676d\u5ddeHS\u30de\u30b0\u30cd\u30c3\u30c8\u682a\u5f0f\u4f1a\u793e","url":"https:\/\/hsmagnet.com\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/hsmagnet.com\/#\/schema\/logo\/image\/","url":"https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/logo_pc.png","contentUrl":"https:\/\/hsmagnet.com\/wp-content\/uploads\/2025\/08\/logo_pc.png","width":237,"height":64,"caption":"Hangzhou HS Magnet Co.,Ltd."},"image":{"@id":"https:\/\/hsmagnet.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/hsmagnet.com\/#\/schema\/person\/2042961b22b388427c42af00bf3eb9fd","name":"\u30b8\u30e3\u30c3\u30ad\u30fc\u30fb\u30ef\u30f3","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/secure.gravatar.com\/avatar\/772768cdba99bb92e47ac9e35be1cd4f1ed0df4c6a0394791fa7d3ac0519daf9?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/772768cdba99bb92e47ac9e35be1cd4f1ed0df4c6a0394791fa7d3ac0519daf9?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/772768cdba99bb92e47ac9e35be1cd4f1ed0df4c6a0394791fa7d3ac0519daf9?s=96&d=mm&r=g","caption":"Jacky Wang"},"sameAs":["https:\/\/dev.hsmagnet.com"],"url":"https:\/\/hsmagnet.com\/ja\/author\/hsmagnet-admin\/"}]}},"_links":{"self":[{"href":"https:\/\/hsmagnet.com\/ja\/wp-json\/wp\/v2\/posts\/11390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hsmagnet.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hsmagnet.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hsmagnet.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hsmagnet.com\/ja\/wp-json\/wp\/v2\/comments?post=11390"}],"version-history":[{"count":2,"href":"https:\/\/hsmagnet.com\/ja\/wp-json\/wp\/v2\/posts\/11390\/revisions"}],"predecessor-version":[{"id":13723,"href":"https:\/\/hsmagnet.com\/ja\/wp-json\/wp\/v2\/posts\/11390\/revisions\/13723"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hsmagnet.com\/ja\/wp-json\/wp\/v2\/media\/13720"}],"wp:attachment":[{"href":"https:\/\/hsmagnet.com\/ja\/wp-json\/wp\/v2\/media?parent=11390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hsmagnet.com\/ja\/wp-json\/wp\/v2\/categories?post=11390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hsmagnet.com\/ja\/wp-json\/wp\/v2\/tags?post=11390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}