{"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":"tyglik-z-nitridu-boru","status":"publish","type":"page","link":"https:\/\/boronnitrideceramic.com\/cs\/boron-nitride-crucible\/","title":{"rendered":"Tygl\u00edk z nitridu boru"},"content":{"rendered":"<p>Nitrid b\u00f3ru m\u00e1 vysokou tepelnou odolnost, n\u00edzk\u00fd koeficient tepeln\u00e9 rozta\u017enosti, dobrou odolnost proti teplotn\u00edm \u0161ok\u016fm a dobrou odolnost proti korozi.<br \/>\nodolnost, tak\u017ee<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=\"Tygl\u00edk z nitridu boru\" width=\"241\" height=\"196\" \/> m\u016f\u017ee b\u00fdt pou\u017eit jako kel\u00edmek pro taven\u00ed kov\u016f a anorganick\u00fdch sol\u00ed.Pomoc\u00ed technologie lisov\u00e1n\u00ed za tepla lze materi\u00e1ly BN zpracovat do r\u016fzn\u00fdch specifikac\u00ed kel\u00edmk\u016f a dal\u0161\u00edch n\u00e1dob, kter\u00e9 lze \u0161iroce pou\u017e\u00edt p\u0159i taven\u00ed odpa\u0159en\u00fdch kovov\u00fdch kel\u00edmk\u016f, lodn\u00edch misek, \u010d\u00e1st\u00ed \u010derpadel, lit\u00fdch ocelov\u00fdch forem a syntetick\u00fdch krystal\u016f GaAs atd..Keramick\u00fd kel\u00edmek z nitridu b\u00f3ru pro taven\u00ed hlin\u00edku, zinku a jin\u00fdch slitin, m\u00edsto grafitov\u00e9ho kel\u00edmku.Charakteristika keramick\u00fdch kel\u00edmk\u016f z nitridu b\u00f3ru je n\u00e1sleduj\u00edc\u00ed.<br \/>\n1 stabiln\u00ed chemick\u00fd v\u00fdkon a nereaguje s tav\u00edc\u00edm se kovem, zlep\u0161uje \u010distotu slitiny;<br \/>\n2 dobr\u00e1 odolnost proti oxidaci, vy\u0161\u0161\u00ed asi 400-500 stup\u0148\u016f ne\u017e grafitov\u00e9 materi\u00e1ly, a\u017e 900 stup\u0148\u016f;<br \/>\n3 \u017eivotnost je mnohem del\u0161\u00ed ne\u017e u jin\u00fdch materi\u00e1l\u016f.<\/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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