Dub Silicon Carbide yog dab tsi?
Dub Silicon Carbide yog dab tsi?
Silicon carbide yog ib qho nyuaj, crystalline khoom siv dav hauv ntau daim ntawv thov vim nws cov khoom tshwj xeeb. Dub silicon carbide, tshwj xeeb, yog cov khoom siv uas feem ntau siv hauv kev sib tsoo thiab polishing daim ntaub ntawv vim nws qhov siab tawv thiab muaj peev xwm tswj tau cov npoo ntse.
Tab sis qhov tseeb yog dab tsidub silicon carbideua los ntawm?
Dub silicon carbide yog kev sib xyaw ntawm silicon thiab carbon. Txhawm rau tsim nws, qhov kub thiab txias yuav tsum tau fuse silicon thiab carbon ua ke. Cov txheej txheem no tuaj yeem ua tiav los ntawm ntau txoj hauv kev, tab sis ib qho ntawm feem ntau yog los ntawm cov txheej txheem Acheson. Qhov no suav nrog cov cua sov sib xyaw ntawm cov pa roj carbon dub thiab silica xuab zeb hauv qhov kub-kub hluav taws xob hluav taws xob ua kom sov, ua rau muaj kev tsim ntawm silicon carbide.
Cov khoom uas tau tshwm sim yog ib qho nyuaj, nkig nrog cov qauv crystalline uas zoo li pob zeb diamond. Nws hardness, ua ke nrog nws lub peev xwm los tswj nws cov npoo ntse, ua rau nws zoo tagnrho rau siv hauv cov ntawv thov abrasive. Dub silicon carbide feem ntau yog siv los ua abrasive hauv kev sib tsoo log, cov cuab yeej txiav, thiab cov ntawv xuab zeb.
Ntxiv rau nws siv los ua cov abrasive, dub silicon carbide kuj tseem siv rau ntau yam kev siv. Nws yog ib qho khoom siv zoo heev rau kev siv cov ntaub ntawv refractory vim nws qhov siab melting point thiab tsis kam rau thermal shock. Nws kuj yog siv nyob rau hauv zus tau tej cov semiconductors, tshwj xeeb tshaj yog nyob rau hauv lub tsim ntawm LEDs.
Zuag qhia tag nrho,dub silicon carbideyog cov khoom siv ntau yam uas tau siv dav hauv ntau daim ntawv thov vim nws cov khoom tshwj xeeb. Nws hardness thiab muaj peev xwm tswj tau cov npoo ntse ua rau nws zoo tagnrho rau kev siv hauv cov ntawv thov abrasive, thaum nws qhov siab melting point thiab tsis kam rau thermal shock ua rau nws yog ib qho khoom siv zoo heev rau cov khoom siv refractory. Txawm hais tias koj tab tom polishing nto los yog tsim khoom semiconductors, dub silicon carbide yog ib yam khoom uas tsim nyog xav txog.
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