Cov Keeb Kwm Kev Loj Hlob Ntawm Boron Nitride
Apr 28, 2021
Boron nitride tau tawm ntau tshaj 100 xyoo dhau los. Qhov kev thov ntxov tshaj plaws yog hexagonal boron nitride raws li cov khoom siv roj ua kom sov siab tshaj plaws [cov ntawv luv: h-BN, lossis a-BN, lossis g-BN (uas yog, graphite-hom boron nitride)], h-BN tsis yog tsuas yog nws cov qauv tab sis kuj nws qhov kev ua tau zoo heev rau graphite, thiab nws tus kheej dawb, yog li nws nquag hu ua: graphite dawb.
Boron nitride (BN) ceramics yog qhov sib txuas thaum ntxov xyoo 1842. Ntau cov kev tshawb fawb tau ua tiav ntawm cov ntaub ntawv BN txawv teb chaws txij li Kev Tsov Rog Thoob Ntiaj Teb Thib Ob, thiab nws tsis tau tsim kom txog thaum BN kub nias txoj kev daws tau daws xyoo 1955. Tebchaws Asmeskas Cov Tuam Txhab Pov Hwm thiab Tuam Txhab Kev Lag Luam Sib Koom Tes tau pib ua tiav, thiab xyoo 1960 lawv tau tsim ntau dua 10 tons.
Xyoo 1957, R · H · Wentrof yog thawj zaug ua tiav kev sim-CBN. Xyoo 1969, Cov Tuam Txhab Hluav Taws Xob tau muag cov khoom lag luam ua Borazon. Xyoo 1973, Tebchaws Asmeskas tau tshaj tawm cov khoom tsim CBN. [2]
Xyoo 1975, Nyijpooj tseem coj cov thev naus laus zis los ntawm Tebchaws Meskas thiab tseem tsim cov cuab yeej CBN.
Xyoo 1979, Sokolowski ntse siv tshuab plasma ntshav los npaj c-BN zaj duab xis ntawm qhov kub thiab tsis tshua muaj siab rau thawj zaug.
Thaum kawg ntawm xyoo 1990, tib neeg tau siv ntau yam ntawm lub cev vapor deposition (PVD) thiab cov tshuaj vapor deposition (CVD) txoj kev los npaj cov yeeb yaj kiab c-BN.
Los ntawm qhov pom ntawm Suav teb, txoj kev txhim kho yog nce mus los ntawm kev muaj plhaw thiab ciam teb. Kev tshawb fawb ntawm BN hmoov pib xyoo 1963, tau tsim tiav xyoo 1966, thiab tau muab tso rau hauv kev tsim tawm xyoo 1967 thiab siv nyob hauv kuv lub teb chaws' s kev lag luam thiab kev siv tshuab tam sim no.