Cov Txheej Txheem Feem Ntau Rau Boron Nitride

Boron Nitride (BN) yog ib qho sib xyaw ntawm boron thiab nitrogen, uas feem ntau hu ua boron nitride ceramic. Nws yog cov khoom siv high-performance nrog zoo thermal conductivity, high-temperature stability, thiab siab mechanical zog. Yog li ntawd, BN yog dav siv nyob rau hauv ntau yam xws li electronics, aerospace thiab lub zog.

Tus cwj pwm ntawm BN yog qhov tseem ceeb heev rau nws daim ntawv thov hauv ntau qhov chaw. Muaj ntau ntau txoj hauv kev siv los txheeb xyuas BN:

1. X-ray diffraction analysis (XRD) txoj kev: Txoj kev no yog siv los txiav txim siab cov qauv siv lead ua ntawm BN thiab tau txais cov ntaub ntawv hais txog nws txoj kev taw qhia thiab cov nplej loj. XRD kuj tseem tuaj yeem nthuav tawm impurities hauv cov khoom thiab lawv qhov kev faib tawm.

2. Scanning electron microscopy (SEM) method: Txoj kev no siv lub tshuab ntsuas hluav taws xob los tshuaj xyuas qhov chaw morphology thiab microstructure ntawm BN cov khoom. SEM tuaj yeem muab cov duab daws teeb meem siab ntawm cov khoom, tso cai rau kev txheeb xyuas qhov tsis xws luag lossis tsis zoo.

3. Transmission electron microscopy method (TEM) txoj kev: TEM yog cov txheej txheem ua tus cwj pwm zoo uas tuaj yeem muab cov duab daws teeb meem siab thiab cov ntaub ntawv hais txog cov qauv siv lead ua ntawm BN ntawm qib atomic. TEM muaj txiaj ntsig tshwj xeeb rau kev txheeb xyuas tus cwj pwm cuam tshuam ntawm BN thiab lwm yam ntaub ntawv.

4. Fourier-transform infrared spectroscopy (FTIR) txoj kev: Txoj kev no yog siv los txheeb xyuas cov tshuaj lom neeg ua haujlwm thiab kev sib koom ua ke ntawm cov atoms hauv BN cov ntaub ntawv. FTIR kuj tseem siv tau los ntsuas cov thermal conductivity ntawm cov khoom.

Shengyang New Material Co., Ltd. tau cog lus rau kev tsim cov boron nitride thiab boron nitride ua cov khoom, thiab tuaj yeem kho ntau yam boron nitride insulating ceramic qhov chaw raws li cov neeg siv khoom xav tau. Tiv tauj peb yog tias tsim nyog.
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5. Raman spectroscopy method: Txoj kev no tuaj yeem muab cov ntaub ntawv ntawm cov khoom vibrational ntawm BN thiab tuaj yeem siv los txheeb xyuas cov qauv siv lead ua ntawm cov khoom siv. Raman spectroscopy muaj txiaj ntsig tshwj xeeb hauv kev kuaj xyuas qhov tsis xws luag thiab impurities hauv BN.

Hauv kev xaus, tus cwj pwm ntawm BN yog qhov tseem ceeb thiab txiav txim siab qhov ua tau zoo ntawm nws daim ntawv thov hauv ntau qhov chaw. Cov txheej txheem sib txawv muab kev nkag siab rau cov qauv siv lead ua, morphology, thiab cov khoom ntawm BN, ua rau cov kws tshawb fawb txiav txim siab txog nws txoj kev siv thiab kev siv. Nrog kev nce qib hauv thev naus laus zis, kev txhim kho cov txheej txheem tshiab tus cwj pwm tuaj yeem qhib cov ntawv thov tshiab rau BN yav tom ntej.