I-Boron Nitride I-Crucible BN I-Crucible

iimveliso

I-Boron Nitride I-Crucible BN I-Crucible

inkcazelo emfutshane:


Iinkcukacha zeMveliso

Iithegi zeMveliso

Umyalelo weMveliso

I-Boron Nitride, ekwabizwa ngokuba yi-BN, i-Hexagonal Boron Nitride (H-BN), kunye ne-Boron Nitride ecinezelwe ngokushushu, yi-ceramic egqwesileyo yokuzithambisa enokumelana namaqondo obushushu aphezulu kwaye igcine isakhono sayo sokuthambisa kwindawo ephezulu yokufunxa.I-AEM ye-Boron Nitride crucibles yenziwe nge-boron nitride ecinezelekileyo engenanto.IHexagonal Boron Nitride (H-BN) iziphatha ngendlela efanayo negraphite ngoomatshini kodwa inika ukuxhathisa okugqwesileyo kombane., kwaye inokuveliswa njengemveliso yokugqibela ye-BN ngokuthe ngqo njenge-crucible, isikhephe, ukutyabeka, njl.

Iimpawu eziphambili

I-Boron nitride ine-insulation elungileyo yombane, i-thermal conductivity, ukuzinza kweekhemikhali, kwaye akukho ndawo icacileyo yokunyibilika.Ubushushu bokusetyenziswa kakhulu kwi-0.1MPA nitrogen inokufikelela kwi-3000 °C, kwindawo yokunciphisa engathathi hlangothi, inokumelana nobushushu ukuya kuma-2000 °C, kwaye ubushushu bokusetyenziswa kwenitrogen kunye ne-argon bunokufikelela kwi-2800 °C, kwaye ukuzinza kwi-oxygen emoyeni ihlwempuzekile, kwaye ubushushu bokusebenzisa bungaphantsi kwe-1000 °C.I-coefficient yokwandiswa kwe-hexagonal boron nitride ilingana naleyo yequartz, kodwa i-thermal conductivity iphindwe kalishumi kune-quartz.

Ukongeza, i-hexagonal boron nitride ayinyibiliki emanzini abandayo, kwaye xa amanzi ebilisiwe, i-hydrolysis icotha kakhulu kwaye ivelisa inani elincinci le-boric acid kunye ne-ammonia.Ayisebenzi ngeasidi ebuthathaka kunye nesiseko esomeleleyo kwiqondo lobushushu begumbi, inyibilika kancinane kwiasidi eshushu, kwaye ifuna ukunyangwa nge-sodium hydroxide enyibilikisiweyo kunye ne-potassium hydroxide ukuze ibole.

Ifomula yoMdibaniso

BN

Ubunyulu

>99.9%

Ubunzima beMolekyuli

24.82

Indawo yokunyibilika

2973 °C

Ukuxinana

2.1 g/cm3 (h-BN);3.45 g/cm3 (c-BN)

Ukunyibilika kwi-H2O

Ayinyibiliki

Mohs Ubunzima

2

Amandla e-Flexural

35 Mpa

I-Coefficient yoKwandiswa kweThermal
(25℃-1200℃)

2.0 x 10-6/K

I-Thermal Conductivity kwi-20℃

40 W/mk

Ubushushu bokusebenza obuninzi

I-Oxidizing

900℃

Vacuum

1900℃

Inert

2100℃

Refractive Index

1.8 (h-BN);2.5 (c-BN)

Ukuxhathisa koMbane

13 ukuya 15 10x Ω-m

Umthamo

25ml, 55ml, 75ml, 100ml, 1000ml, kwaye ngokwezifiso

Isicelo seMveliso

I-Boron nitride luhlobo lokumelana nobushushu obuphezulu, ukuxhathisa kwi-corrosion, ukuguquguquka okuphezulu kwe-thermal, ukugquma okuphezulu kunye nokusebenza okugqwesileyo kokuthambisa kwemathiriyeli, imeko yangoku ukwenza lula inkqubo, ukunciphisa iindleko zemveliso, ukuphucula ubomi benkonzo yamacandelo yeyona nto isebenzayo ngoku. isikhokelo sophando lwezixhobo ezinjalo.

1 ukunyibilika kweentsimbi ezikhutshiweyo.

(2) Ukusebenzisa ukuxhathisa ubushushu kunye nokukhula kwe-hexagonal boron nitride, i-high-temperature components, i-rocket combustion linings, izikhuselo zokufudumala ze-spacecraft, iijenereyitha zemagnetocurrent, njl.

(3) Ukusebenzisa i-insulation ye-hexagonal boron nitride, isetyenziswa ngokubanzi kwi-high-voltage high-frequency yombane kunye ne-plasma arc insulators kunye ne-insulators ye-heaters ezahlukeneyo, i-tube bushings yokufudumeza kunye nobushushu obuphezulu, i-high-frequency, i-high-voltage insulation kunye iindawo zokuchitha ubushushu, kunye nokusetyenziswa kwe-high-frequency yezixhobo zombane zomlilo.


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