{"id":163,"count":0,"description":"<div class=\"pt-20\">\r\n\r\n<img class=\"alignright\" src=\"\/wp-content\/uploads\/2025\/02\/a17046a2a3907907b6b0.png\" alt=\"\" width=\"348\" height=\"348\" \/><strong>Che cos'\u00e8 la ceramica di magnesio alluminato spinello (MgAl\u2082O\u2084)?<\/strong>\r\n\r\nReaction precursor formulation: MgO\u00b7Al\u2082O\u2083\r\nCommon abbreviation: Spinel (MA)\r\n\r\nMagnesium aluminate spinel ceramic, with the chemical formula MgAl\u2082O\u2084, is an advanced ceramic material widely used for crucibles or as liners in the melting industry. Its main component is MgAl\u2082O\u2084. Its dense and vitrified structure provides higher thermal shock resistance. Magnesium aluminate spinel can be further categorized into magnesia-rich spinel and alumina-rich spinel, based on the varying content of the two key components\u2014magnesia and alumina\u2014in the synthesized spinel.\r\n<p data-start=\"172\" data-end=\"212\"><strong>Propriet\u00e0 e vantaggi del materiale<\/strong><\/p>\r\n<p class=\"\" data-start=\"213\" data-end=\"314\">Rispetto ai refrattari in magnesia-cromo, lo spinello di alluminato di magnesio offre i seguenti vantaggi:<\/p>\r\n\r\n<ul data-start=\"316\" data-end=\"508\">\r\n \t<li class=\"\" data-start=\"316\" data-end=\"446\">\r\n<p class=\"\" data-start=\"318\" data-end=\"446\">Resistenza superiore alle atmosfere riducenti (ad esempio, CO), ai gas contenenti zolfo (SO\u2082\/SO\u2083) e ai vapori di metalli alcalini (K\u2082O, Na\u2082O).<\/p>\r\n<\/li>\r\n \t<li class=\"\" data-start=\"447\" data-end=\"508\">\r\n<p class=\"\" data-start=\"449\" data-end=\"508\">Eccellente resistenza agli shock termici e alla corrosione<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/div>\r\n<a class=\"pro-detail-btn\" href=\"https:\/\/weiert-ceramics.com\/it\/contact\/\">CONTATTACI<\/a>\r\n\r\n<strong>Propriet\u00e0 dello spinello di alluminato di magnesio (MA-spinel)<\/strong>\r\n<table border=\"1\" width=\"100%\" cellspacing=\"0\">\r\n<tbody>\r\n<tr>\r\n<td colspan=\"3\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\"><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/strong><strong>\u00a0\u00a0\u00a0<\/strong><strong>P<\/strong><strong>propriet\u00e0 di <\/strong><strong>MA-S<\/strong><strong>pinel<\/strong><strong>\u00a0<\/strong><strong>\u00a0<\/strong><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/strong><strong>WEIERT<\/strong><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"3\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\"><strong>\u00a0<\/strong><strong>Sinterizzato <\/strong><strong>Composizione chimica<\/strong><strong>\u00a0<\/strong><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" valign=\"center\" width=\"819\" height=\"30\">MgAl\u2082O\u2084 (%)<\/td>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\">98.2<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" valign=\"center\" height=\"30\">CaO (%)<\/td>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\">0.48<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" valign=\"center\" height=\"30\">Fe\u2082O\u2083 (%)<\/td>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\">&lt; 0.23<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" valign=\"center\" height=\"30\">SiO\u2082 (%)<\/td>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\">0.27<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"3\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\"><strong>Sinterizzato <\/strong><strong>T<\/strong><strong>termico e <\/strong><strong>P<\/strong><strong>isico <\/strong><strong>P<\/strong><strong>propriet\u00e0 <\/strong><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">Densit\u00e0 (g\/cm3)<\/td>\r\n<td align=\"center\" valign=\"center\" width=\"818\" height=\"30\">\r\n<p align=\"center\">3.4<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">Conducibilit\u00e0 termica (W\/m.K)<\/td>\r\n<td align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\">5.9<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">Coefficiente di espansione termica (dL\/L.K.10^6)<\/td>\r\n<td align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\">7.5<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"3\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\"><strong>Propriet\u00e0 della polvere<\/strong><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">Dimensione delle particelle Mediana 50% (10-\u2076 m)<\/td>\r\n<td align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\">40<\/p>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n*I valori rappresentano le propriet\u00e0 tipiche del materiale e possono variare a seconda della configurazione del prodotto e del processo di produzione. Per ulteriori informazioni, non esitate a <a href=\"https:\/\/weiert-ceramics.com\/it\/contact\/\">contattateci<\/a>.\r\n\r\n<strong>Applicazione della ceramica Spinel di alluminato di magnesio<\/strong>\r\nLo spinello di magnesio alluminato, con il suo basso coefficiente di espansione termica dopo la sinterizzazione, \u00e8 comunemente usato per produrre crogioli e rivestimenti per l'industria fusoria. Ad esempio, i crogioli di spinello alluminato di magnesio sono altamente resistenti alla corrosione dell'acciaio al neodimio-ferro-boro fuso e possono essere utilizzati per la fusione di magneti permanenti o di materiali di terre rare. Inoltre, rimane un notevole potenziale non sfruttato per l'applicazione della ceramica di spinello di alluminato di magnesio nei processi di fusione delle leghe.<strong>\r\n<\/strong>\r\n\r\n<strong>Spinello di magnesio alluminato Prodotto<\/strong>\r\n<div class=\"row pt-20\">\r\n<div class=\"col-md-3 col-sm-6\" style=\"text-align: center\"><img class=\"alignnone\" src=\"\/wp-content\/uploads\/2025\/04\/d60934ad38ba8277d081.jpg\" alt=\"\" width=\"861\" height=\"861\" \/>\r\n<a href=\"https:\/\/weiert-ceramics.com\/it\/category\/products\/ceramic-crucibles\/magnesium-aluminate-spinel-crucible-mgal2o4\/\"><strong>MA Crogiolo di spinello<\/strong><\/a><\/div>\r\n<\/div>\r\n<a class=\"pro-detail-btn\" href=\"https:\/\/weiert-ceramics.com\/it\/contact\/\">CONTATTACI<\/a>","link":"https:\/\/weiert-ceramics.com\/it\/materials\/magnesium-aluminate-spinel-ceramic-mgal%e2%82%82o%e2%82%84\/","name":"Ceramica spinello di alluminato di magnesio (MgAl\u2082O\u2084)","slug":"magnesium-aluminate-spinel-ceramic-mgal%e2%82%82o%e2%82%84","taxonomy":"category","parent":111,"meta":[],"acf":[],"z_taxonomy_image_url":"https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/02\/a17046a2a3907907b6b0.png","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>MA Spinel for High Performance Applications - Weiert Ceramics Technology Co., Ltd.<\/title>\n<meta name=\"description\" content=\"Discover Magnesium Aluminum Spinel, also known as MA Spinel. 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