Taw qhia rau Hexagonal Boron Nitride (HBN): Ntau lawm, khoom, thiab kev siv

Hexagonal boron nitride (HBN)yog cov khoom siv ceramic uas muaj cov khoom tshwj xeeb uas ua rau nws muaj txiaj ntsig zoo hauv kev siv ntau yam. Nws yog ib yam khoom uas yog tsim los ntawm boron thiab nitrogen atoms, teem nyob rau hauv ib tug hexagonal lattice qauv, zoo li graphite.

HBN tuaj yeem tsim tau siv ntau yam txuj ci, suav nrog cov khoom siv hluav taws xob kub, tshuaj vapor deposition, thiab kub nias. Lub purity ntawm HBN yog qhov tseem ceeb hauv kev txiav txim siab nws cov khoom, thiab cov khoom zoo hBN tuaj yeem tsim nrog cov purity qib txog li 99.9%.

Cov cuab yeej ntawm HBN

HBNmuaj ntau yam khoom uas ua rau nws yog ib qho khoom nthuav rau ntau yam kev siv. Ua ntej, nws muaj cov thermal conductivity siab heev, ua rau nws yog ib qho khoom siv zoo heev rau cov dab dej kub thiab cov insulators hauv qhov chaw kub kub. Nws kuj yog ib qho hluav taws xob zoo insulator, ua rau nws muaj txiaj ntsig zoo hauv kev siv hluav taws xob, xws li transistors thiab cov khoom siv fais fab.

HBN kuj yog tshuaj inert, uas txhais tau hais tias nws muaj peev xwm tiv taus ib puag ncig hnyav yam tsis muaj degrading lossis corroding. Qhov no ua rau nws muaj txiaj ntsig zoo hauv kev siv xws li txheej txheej, insulators, thiab cov khoom siv tiv thaiv corrosion. Tsis tas li ntawd, hBN muaj cov roj lubricating siab, uas ua rau nws muaj txiaj ntsig zoo li cov roj nplua nyeem hauv cov khoom txav.

Kev siv ntawm HBN

Kev siv HBN nthuav dav thoob plaws ntau qhov chaw, suav nrog hluav taws xob, aerospace, optics, thiab kev lag luam kho mob. Cov ntawv thov tseem ceeb ntawm HBN suav nrog:

1. Kev siv kub-kub: HBN cov thermal conductivity thiab tsis kam rau thermal shock ua rau nws yog ib qho khoom siv zoo heev rau kev siv nyob rau hauv qhov chaw kub. Nws yog siv los ua lub dab dej kub, insulator, thiab thermal tswj cov khoom siv hauv cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, thiab kev siv aerospace.

2. Lubrication: HBN qib siab ntawm lubricity ua rau nws ua tau zoo lubricant nyob rau hauv high-kev sib txhuam ib puag ncig, xws li cov tshuab tshuab thiab cov khoom txav.

3. Corrosion kuj: HBN cov tshuaj inertness ua rau nws haum rau siv nyob rau hauv hnyav ib puag ncig, uas nws muaj peev xwm ua raws li ib tug txheej thiab tiv thaiv corrosion.

4. Cov ntawv siv kho qhov muag: HBN cov khoom siv kho qhov muag tshwj xeeb, xws li nws qhov siab refractive index thiab pob tshab nyob rau hauv ultraviolet ntau yam, ua rau nws muaj txiaj ntsig zoo hauv cov khoom siv kho qhov muag, xws li lo ntsiab muag, prisms, thiab iav.

5. Kev siv tshuaj kho mob: HBN's biocompatibility thiab non-toxicity ua rau nws tsim nyog siv rau hauv kev kho mob cog thiab xa tshuaj.