{"id":162,"date":"2016-01-16T18:13:43","date_gmt":"2016-01-16T10:13:43","guid":{"rendered":"http:\/\/boronnitrideceramic.com\/?page_id=162"},"modified":"2016-01-16T18:31:23","modified_gmt":"2016-01-16T10:31:23","slug":"cadinho-de-nitreto-de-boro","status":"publish","type":"page","link":"https:\/\/boronnitrideceramic.com\/pt_pt\/boron-nitride-crucible\/","title":{"rendered":"Cadinho de nitreto de boro"},"content":{"rendered":"<p>O nitreto de boro tem elevada resist\u00eancia ao calor, baixo coeficiente de expans\u00e3o t\u00e9rmica, boa resist\u00eancia ao choque t\u00e9rmico e boa resist\u00eancia \u00e0 corros\u00e3o<br \/>\nresist\u00eancia, portanto<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-163 size-full alignleft\" src=\"http:\/\/boronnitrideceramic.com\/wp-content\/uploads\/2016\/01\/Boron-Nitride-Crucible.jpg\" alt=\"Cadinho de nitreto de boro\" width=\"241\" height=\"196\" \/> Utilizando a tecnologia de prensagem a quente, os materiais BN podem ser transformados em v\u00e1rias especifica\u00e7\u00f5es de cadinho e outros recipientes, que podem ser amplamente utilizados na fundi\u00e7\u00e3o de cadinho de metal evaporado, prato de barco, pe\u00e7as de bomba, molde de a\u00e7o fundido e cadinho de cristal GaAs sint\u00e9tico, etc. Cadinho de cer\u00e2mica de nitreto de boro para fus\u00e3o de alum\u00ednio, zinco e outras ligas de fundi\u00e7\u00e3o, em vez de cadinho de grafite.<br \/>\n1 desempenho qu\u00edmico est\u00e1vel, e n\u00e3o reage com o metal de fus\u00e3o, melhora a pureza da liga;<br \/>\n2 boa resist\u00eancia \u00e0 oxida\u00e7\u00e3o, superior a cerca de 400-500 graus do que os materiais de grafite, at\u00e9 900 graus;<br \/>\n3 A vida \u00fatil \u00e9 muito mais longa do que a de outros materiais.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Boron nitride has high heat resistance, low thermal expansion coefficient, good thermal shock resistance and good corrosion resistance, so it [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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