{"id":6350,"date":"2025-02-28T14:39:24","date_gmt":"2025-02-28T06:39:24","guid":{"rendered":"http:\/\/weierte.jyjl.cn\/?p=6350"},"modified":"2026-01-21T16:24:42","modified_gmt":"2026-01-21T08:24:42","slug":"magnesium-oxide-crucible","status":"publish","type":"post","link":"https:\/\/weiert-ceramics.com\/cs\/products\/ceramic-crucibles\/magnesia-crucible-mgo\/magnesium-oxide-crucible\/","title":{"rendered":"Kel\u00edmek z oxidu ho\u0159e\u010dnat\u00e9ho"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"600\" src=\"https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/02\/7a5b12a1691e3dc789b3-900x600.jpg\" alt=\"High-purity magnesium oxide (MgO) crucible manufactured by Weiert Ceramics for melting applications\" class=\"wp-image-7166\" srcset=\"https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/02\/7a5b12a1691e3dc789b3-900x600.jpg 900w, https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/02\/7a5b12a1691e3dc789b3-600x400.jpg 600w, https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/02\/7a5b12a1691e3dc789b3-150x100.jpg 150w, https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/02\/7a5b12a1691e3dc789b3-768x512.jpg 768w, https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/02\/7a5b12a1691e3dc789b3-18x12.jpg 18w, https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/02\/7a5b12a1691e3dc789b3.jpg 1200w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p>V oblasti vysokoteplotn\u00ed metalurgie a induk\u010dn\u00edho taven\u00ed maj\u00ed \u010distota a stabilita kel\u00edmku p\u0159\u00edm\u00fd vliv na \u010distotu a vlastnosti v\u00fdsledn\u00e9ho materi\u00e1lu. Pro spole\u010dnosti vyr\u00e1b\u011bj\u00edc\u00ed superslitiny na b\u00e1zi niklu, drah\u00e9 kovy a pokro\u010dilou keramiku se vysoce \u010dist\u00fd kel\u00edmek z oxidu ho\u0159e\u010dnat\u00e9ho (MgO) st\u00e1le v\u00edce st\u00e1v\u00e1 kl\u00ed\u010dovou \u017e\u00e1ruvzdornou n\u00e1dobou.<\/p>\n\n\n\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-magnesium-oxide-mgo-offers-exceptional-properties\"><strong>Oxid ho\u0159e\u010dnat\u00fd (MgO) vykazuje v\u00fdjime\u010dn\u00e9 vlastnosti:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bod t\u00e1n\u00ed a\u017e 2.852 \u00b0C;<\/li>\n\n\n\n<li>Vysok\u00e1 odolnost v\u016f\u010di oxid\u016fm kov\u016f a alkalick\u00fdm strusk\u00e1m<\/li>\n\n\n\n<li>Vy\u0161\u0161\u00ed chemickou stabilitu ve srovn\u00e1n\u00ed s Al\u2082O\u2083;<\/li>\n\n\n\n<li>Dobr\u00e9 elektrick\u00e9 izola\u010dn\u00ed vlastnosti a relativn\u011b n\u00edzkou tepelnou rozta\u017enost.<br>Tyto vlastnosti \u010din\u00ed MgO preferovan\u00fdm materi\u00e1lem pro kel\u00edmky pou\u017e\u00edvan\u00e9 v induk\u010dn\u00edch pec\u00edch, induk\u010dn\u00edch tavic\u00edch za\u0159\u00edzen\u00edch a za\u0159\u00edzen\u00edch pro taven\u00ed elektronov\u00fdm paprskem.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-weiert-ceramics-manufacturing-approach\"><strong>V\u00fdrobn\u00ed p\u0159\u00edstup spole\u010dnosti WEIERT Ceramics<\/strong><\/h4>\n\n\n\n<p>Na z\u00e1klad\u011b studi\u00ed vysoce \u010dist\u00fdch MgO keramik (nap\u0159. pr\u016fmyslov\u00fdch dat prokazuj\u00edc\u00edch obsah MgO nad 99 % a vysokou objemovou hustotu) uplat\u0148uje Weiert Ceramics pokro\u010dil\u00e9 tvarovac\u00ed a rafina\u010dn\u00ed techniky k zaji\u0161t\u011bn\u00ed vynikaj\u00edc\u00ed struktur\u00e1ln\u00ed stability a konzistence.<\/p>\n\n\n\n<div style=\"height:14px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Proces kombinuje izostatick\u00e9 lisov\u00e1n\u00ed za studena (CIP) pro rovnom\u011brn\u00e9 rozlo\u017een\u00ed \u010d\u00e1stic a vysokou hutnost s elektrotavenou rekry\u00adstalizac\u00ed, kter\u00e1 umo\u017e\u0148uje dosa\u017een\u00ed orientovan\u00fdch zrn a extr\u00e9mn\u011b n\u00edzk\u00e9ho obsahu ne\u010distot.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u00edky p\u0159esn\u011b \u0159\u00edzen\u00fdm parametr\u016fm slinov\u00e1n\u00ed a pou\u017eit\u00ed ultrapure MgO dosahuj\u00ed v\u00fdsledn\u00e9 kel\u00edmky \u010distoty p\u0159es 99,5 % a objemov\u00e9 hustoty p\u0159ibli\u017en\u011b 3,4 g\/cm\u00b3, co\u017e zaji\u0161\u0165uje vynikaj\u00edc\u00ed tepelnou a chemickou stabilitu.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-anti-hydration-and-long-term-stability\"><strong>Ochrana proti hydrataci a dlouhodob\u00e1 stabilita<\/strong><\/h4>\n\n\n\n<p>Proto\u017ee MgO je n\u00e1chyln\u00e9 k hydrataci, jsou aplikov\u00e1na n\u00e1sleduj\u00edc\u00ed opat\u0159en\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mikro-p\u0159\u00edsady Al\u2082O\u2083, CaO a Ga\u2082O\u2083 ke zlep\u0161en\u00ed zhutn\u011bn\u00ed a sn\u00ed\u017een\u00ed zbytkov\u00e9 p\u00f3rovitosti;<\/li>\n\n\n\n<li>Povrchov\u00e9 sol\u2013gelov\u00e9 povlaky pro ut\u011bsn\u011bn\u00ed p\u00f3r\u016f;<\/li>\n\n\n\n<li>Vakuov\u011b ut\u011bsn\u011bn\u00e9 obaly s kontrolou vlhkosti b\u011bhem skladov\u00e1n\u00ed a p\u0159epravy.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:19px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-performance-amp-applications\"><strong>Performance &amp; applications<\/strong><\/h4>\n\n\n\n<p>High-purity MgO crucibles are used in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Induction melting of nickel-based superalloys;<\/li>\n\n\n\n<li>Refining of platinum, iridium, palladium and other precious metals;<\/li>\n\n\n\n<li>Melting of lithium-ion cathode precursor materials, rare-earth oxides, and high-purity metal melts.<br>Independent factory data show that in a 1,700 \u00b0C vacuum environment, Weiert Ceramics\u2019 crucibles achieve continuous operation of over 20 hours without structural failure.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-summary\"><strong>Shrnut\u00ed<\/strong><\/h4>\n\n\n\n<p>High-purity MgO crucibles represent the high-end direction of refractory ceramic materials. Weiert Ceramics, leveraging ultra-pure raw materials and custom sintering processes, offers customers crucible solutions with higher purity and longer service life.<\/p>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Reference\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Jin Yan, <em>Development of Magnesia Crucible Products<\/em>, Ceramics, 2006.<\/li>\n\n\n\n<li>Chen Guangyao et al., <em>Interface Reaction Mechanism between MgO Crucible and Ni-Based Superalloy<\/em>, Journal of the Chinese Ceramic Society, 2024.<\/li>\n\n\n\n<li>Wu Chaowan, <em>Studies on MgO Crucible in Vacuum Induction Furnace for Pure Iron Melting<\/em>, Acta Metallurgica Sinica, 1964.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>In the field of high-temperature metallurgy and induction melting, the purity and stability of the crucible directly influence the cleanliness and performance of the end material. For companies producing nickel-based superalloys, precious metals, and advanced ceramics, a High-Purity Magnesium Oxide (MgO) Crucible is increasingly becoming the core refractory container. Magnesium oxide (MgO) offers exceptional properties: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6342,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[170],"tags":[],"class_list":["post-6350","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-magnesia-crucible-mgo"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Magnesium Oxide Crucible: Key Features Explained - Weiert Ceramics Technology Co., Ltd.<\/title>\n<meta name=\"description\" content=\"Discover why the magnesium oxide crucible is essential for producing nickel-based superalloys and advanced ceramics efficiently.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/weiert-ceramics.com\/cs\/products\/ceramic-crucibles\/magnesia-crucible-mgo\/magnesium-oxide-crucible\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Magnesium Oxide Crucible\" \/>\n<meta property=\"og:description\" content=\"Discover why the magnesium oxide crucible is essential for producing nickel-based superalloys and advanced ceramics efficiently.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/weiert-ceramics.com\/cs\/products\/ceramic-crucibles\/magnesia-crucible-mgo\/magnesium-oxide-crucible\/\" \/>\n<meta property=\"og:site_name\" content=\"Weiert Ceramics Technology Co., Ltd.\" \/>\n<meta property=\"article:published_time\" content=\"2025-02-28T06:39:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-21T08:24:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/02\/e4da3b7fbbce2345d777-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napsal(a)\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/weiert-ceramics.com\/products\/ceramic-crucibles\/magnesia-crucible-mgo\/magnesium-oxide-crucible\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/weiert-ceramics.com\/products\/ceramic-crucibles\/magnesia-crucible-mgo\/magnesium-oxide-crucible\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/weiert-ceramics.com\/ja\/#\/schema\/person\/68a9501854712f995cf9cead4b2a7721\"},\"headline\":\"Magnesium Oxide Crucible\",\"datePublished\":\"2025-02-28T06:39:24+00:00\",\"dateModified\":\"2026-01-21T08:24:42+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/weiert-ceramics.com\/products\/ceramic-crucibles\/magnesia-crucible-mgo\/magnesium-oxide-crucible\/\"},\"wordCount\":375,\"publisher\":{\"@id\":\"https:\/\/weiert-ceramics.com\/ja\/#organization\"},\"image\":{\"@id\":\"https:\/\/weiert-ceramics.com\/products\/ceramic-crucibles\/magnesia-crucible-mgo\/magnesium-oxide-crucible\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/02\/e4da3b7fbbce2345d777-1.jpg\",\"articleSection\":[\"Magnesia Crucible MgO\"],\"inLanguage\":\"cs\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/weiert-ceramics.com\/products\/ceramic-crucibles\/magnesia-crucible-mgo\/magnesium-oxide-crucible\/\",\"url\":\"https:\/\/weiert-ceramics.com\/products\/ceramic-crucibles\/magnesia-crucible-mgo\/magnesium-oxide-crucible\/\",\"name\":\"Magnesium Oxide Crucible: Key Features Explained - 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