{"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":"creuzet-de-nitrura-de-bor","status":"publish","type":"page","link":"https:\/\/boronnitrideceramic.com\/ro\/boron-nitride-crucible\/","title":{"rendered":"Nitrur\u0103 de bor creuzet"},"content":{"rendered":"<p>Nitrur\u0103 de bor are rezisten\u021b\u0103 ridicat\u0103 la c\u0103ldur\u0103, coeficient sc\u0103zut de dilatare termic\u0103, rezisten\u021b\u0103 bun\u0103 la \u0219ocuri termice \u0219i coroziune bun\u0103<br \/>\nrezisten\u021b\u0103, deci<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=\"Nitrur\u0103 de bor creuzet\" width=\"241\" height=\"196\" \/> poate fi utilizat ca un creuzet pentru topirea metalelor \u0219i a s\u0103rii anorganice. folosind tehnologia de presare la cald, materialele BN pot fi prelucrate \u00een diferite specifica\u021bii de creuzet \u0219i alte recipiente, care pot fi utilizate pe scar\u0103 larg\u0103 \u00een topirea creuzetului de metal evaporat, vas pentru b\u0103rci, piese pentru pompe, mucegai din o\u021bel turnat \u0219i creuzet de cristal GaAs sintetic etc. Creuzet ceramic din nitrur\u0103 de bor pentru topirea aluminiului, zincului \u0219i a altor aliaje de topire, \u00een loc de creuzet de grafit. caracteristici pentru creuzetele ceramice din nitrur\u0103 de bor sunt dup\u0103 cum urmeaz\u0103.<br \/>\n1 performan\u021b\u0103 chimic\u0103 stabil\u0103, \u0219i nu este reac\u021bie cu metalul de topire, \u00eembun\u0103t\u0103\u021bi puritatea aliajului;<br \/>\n2 rezisten\u021b\u0103 bun\u0103 la oxidare, mai mare de aproximativ 400-500 de grade dec\u00e2t materialele din grafit, p\u00e2n\u0103 la 900 de grade;<br \/>\n3 durata de via\u021b\u0103 este mult mai mare dec\u00e2t a altor materiale.<\/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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