{"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":"loncek-iz-borovega-nitrida","status":"publish","type":"page","link":"https:\/\/boronnitrideceramic.com\/sl\/boron-nitride-crucible\/","title":{"rendered":"Tigel iz borovega nitrida"},"content":{"rendered":"<p>Borov nitrid ima visoko toplotno odpornost, nizek koeficient toplotnega raztezanja, dobro odpornost na toplotne udarce in dobro korozijo.<br \/>\nodpornost, zato<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=\"Tigel iz borovega nitrida\" width=\"241\" height=\"196\" \/> Uporablja se lahko kot lon\u010dek za taljenje kovin in anorganskih soli.Z uporabo tehnologije vro\u010dega stiskanja se lahko materiali BN predelajo v razli\u010dne specifikacije lon\u010dkov in drugih posod, ki se lahko \u0161iroko uporabljajo pri taljenju izhlapelih kovinskih lon\u010dkov, posode za \u010dolne, delov \u010drpalk, litega jekla in sinteti\u010dnega GaAs kristalnega lon\u010dka itd.Borov nitridni kerami\u010dni lon\u010dek za taljenje aluminija, cinka in drugih talilnih zlitin, namesto grafitnih lon\u010dkov.Zna\u010dilnosti za borov nitridne kerami\u010dne lon\u010dke so naslednje.<br \/>\n1 stabilno kemijsko delovanje in ni reakcija s talilno kovino, izbolj\u0161a \u010distost zlitine;<br \/>\n2 dobra oksidacijska odpornost, vi\u0161ja pribli\u017eno 400-500 stopinj kot grafitni materiali, do 900 stopinj;<br \/>\n3 \u017eivljenjska doba je veliko dalj\u0161a od drugih materialov.<\/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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