{"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":"bornitriddigel","status":"publish","type":"page","link":"https:\/\/boronnitrideceramic.com\/nb\/boron-nitride-crucible\/","title":{"rendered":"Bornitrid smeltedigel"},"content":{"rendered":"<p>Bornitrid har h\u00f8y varmebestandighet, lav termisk ekspansjonskoeffisient, god motstand mot termisk sjokk og god korrosjon<br \/>\nmotstand, s\u00e5<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=\"Bornitrid smeltedigel\" width=\"241\" height=\"196\" \/> Ved hjelp av varmpresseteknologi kan BN-materialer behandles til forskjellige spesifikasjoner for digel og andre beholdere, som kan brukes mye i smelting av fordampet metalldigel, b\u00e5tfat, pumpedeler, st\u00f8pt st\u00e5lform og syntetisk GaAs-krystalldigel, etc. Bornitrid keramisk digel for smelting av aluminium, sink og annen legeringssmelting, i stedet for grafittdigel. karakteristisk for keramiske digler av bornitrid er som f\u00f8lger.<br \/>\n1 stabil kjemisk ytelse, og er ikke reaksjon med smeltemetallet, forbedrer legeringens renhet;<br \/>\n2 god oksidasjonsmotstand, h\u00f8yere ca 400-500 grader enn grafittmaterialer, opp til 900 grader;<br \/>\n3 levetid er mye lengre enn andre materialer.<\/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 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