Daim kab xev mica, tseem hu ua daim kab xev refractory mica, yog ua los ntawm lub tshuab mica thiab yog cov khoom siv rwb thaiv tsev refractory. Raws li kev siv, nws tuaj yeem muab faib ua daim kab xev mica rau lub cev muaj zog thiab daim kab xev mica rau cov cables. Raws li cov qauv, nws tuaj yeem muab faib ua daim kab xev mica ob sab, daim kab xev mica ib sab, daim kab xev peb-hauv-ib, daim kab xev mica ob zaj duab xis, daim kab xev ib zaj duab xis, thiab lwm yam. Raws li pawg mica, nws tuaj yeem muab faib ua daim kab xev mica hluavtaws, daim kab xev phlogopite mica, daim kab xev muscovite mica.
Kev Taw Qhia Luv Luv
Kev ua haujlwm kub ib txwm: daim kab xev mica hluavtaws yog qhov zoo tshaj plaws, daim kab xev mica muscovite yog qhov thib ob, daim kab xev mica phlogopite qis dua.
Kev ua haujlwm rwb thaiv tsev kub siab: daim kab xev mica hluavtaws yog qhov zoo tshaj plaws, daim kab xev phlogopite mica yog qhov thib ob, daim kab xev muscovite mica qis dua.
Kev ua haujlwm tiv taus kub siab: daim kab xev mica tsim tsis muaj dej siv lead ua, qhov kub yaj yog 1375 ℃, qhov kev nyab xeeb loj, kev ua haujlwm kub siab zoo tshaj plaws. Daim kab xev mica phlogopite tso tawm dej siv lead ua siab tshaj 800 ℃, qhov kub siab yog qhov thib ob. Daim kab xev mica Muscovite tso tawm dej siv lead ua ntawm 600 ℃, uas tsis muaj kev tiv taus kub siab. Nws qhov kev ua tau zoo kuj yog vim qib sib xyaw ntawm lub tshuab mica.
Cable tiv taus hluav taws
Daim kab xev mica rau cov xov hluav taws kub yog cov khoom siv rwb thaiv tsev mica ua tau zoo heev nrog kev tiv taus kub thiab kev kub hnyiab zoo heev. Daim kab xev mica muaj kev ywj pheej zoo nyob rau hauv cov xwm txheej ib txwm thiab tsim nyog rau cov txheej rwb thaiv tsev tiv taus hluav taws tseem ceeb ntawm ntau yam xov hluav taws kub. Tsis muaj pa luam yeeb phem thaum raug rau hluav taws qhib, yog li cov khoom no rau cov xov hluav taws tsis yog tsuas yog ua tau zoo xwb tab sis kuj muaj kev nyab xeeb.
Daim kab xev Mica Synthesis
Cov mica ua los ntawm cov khoom siv dag yog cov mica cuav uas muaj qhov loj thiab cov qauv siv lead ua tiav uas tau tsim los ntawm kev hloov cov hydroxyl pawg nrog cov fluoride ions hauv qab qhov kub siab ib txwm muaj. Cov ntaub nplaum mica ua los ntawm cov ntawv mica ua cov khoom tseem ceeb, thiab tom qab ntawd daim ntaub iav raug nplaum rau ib lossis ob sab nrog cov nplaum thiab ua los ntawm lub tshuab nplaum mica. Daim ntaub iav uas nplaum rau ib sab ntawm daim ntawv mica hu ua "daim kab xev ib sab", thiab daim uas nplaum rau ob sab hu ua "daim kab xev ob sab". Thaum lub sijhawm tsim khoom, ntau txheej txheem raug nplaum ua ke, tom qab ntawd ziab hauv qhov cub, qhwv, thiab txiav ua cov kab xev ntawm ntau yam kev qhia sib txawv.
Daim kab xev mica hluavtaws
Daim kab xev mica hluavtaws muaj cov yam ntxwv ntawm cov coefficient nthuav dav me me, lub zog dielectric siab, resistivity siab, thiab dielectric tas li ntawm cov kab xev mica ntuj. Nws cov yam ntxwv tseem ceeb yog qib kub tiv taus, uas tuaj yeem ncav cuag qib A-level hluav taws tsis kam (950-1000 ℃).
Qhov kub tsis kam ntawm cov ntaub nplaum mica hluavtaws yog ntau dua 1000 ℃, qhov tuab ntawm 0.08 ～ 0.15 hli, thiab qhov dav tshaj plaws yog 920 hli.
A. Daim kab xev mica ua los ntawm peb yam: Nws yog ua los ntawm daim ntaub fiberglass thiab zaj duab xis polyester ntawm ob sab, nrog daim ntawv mica ua los ntawm cov khoom siv hauv nruab nrab. Nws yog cov khoom siv rwb thaiv tsev, uas siv cov amine borane-epoxy resin ua cov nplaum, los ntawm kev sib txuas, ci, thiab txiav los tsim.
B. Daim kab xev mica ua los ntawm cov khoom siv ob sab: Siv daim ntawv mica ua los ntawm cov khoom siv hauv paus, siv daim ntaub fiberglass ua cov khoom siv txhawb nqa ob sab, thiab siv cov nplaum silicone resin los txuas. Nws yog cov khoom siv zoo tshaj plaws rau kev tsim cov xov hlau thiab cov cable uas tiv taus hluav taws. Nws muaj qhov tiv taus hluav taws zoo tshaj plaws thiab pom zoo rau cov haujlwm tseem ceeb.
C. Daim kab xev mica ib sab: Siv daim ntawv mica ua cov khoom siv hauv paus thiab daim ntaub fiberglass ua cov khoom siv txhawb nqa ib sab. Nws yog cov khoom siv zoo tshaj plaws rau kev tsim cov xov hlau thiab cov cables uas tiv taus hluav taws. Nws muaj kev tiv taus hluav taws zoo thiab pom zoo rau cov haujlwm tseem ceeb.
Daim kab xev Phlogopite Mica
Daim kab xev phlogopite mica muaj kev tiv thaiv hluav taws zoo, tiv thaiv kua qaub thiab alkali, tiv thaiv corona, tiv thaiv hluav taws xob, thiab muaj kev ywj pheej zoo thiab lub zog tensile, tsim nyog rau kev sib txuas ceev ceev. Kev sim tiv thaiv hluav taws qhia tau tias cov hlau thiab cable qhwv nrog daim kab xev phlogopite mica tuaj yeem lav tsis muaj kev tawg rau 90 feeb nyob rau hauv qhov kub thiab txias 840 ℃ thiab voltage 1000V.
Daim kab xev fiberglass Phlogopite siv dav hauv cov tsev siab, cov av hauv av, cov chaw tsim hluav taws xob loj, thiab cov chaw lag luam tseem ceeb thiab cov chaw tsuas uas muaj kev nyab xeeb hluav taws thiab kev cawm neeg, xws li cov kab hluav taws xob thiab cov kab tswj rau cov chaw xwm txheej ceev xws li cov khoom siv tua hluav taws thiab cov teeb qhia kev xwm txheej ceev. Vim nws tus nqi qis, nws yog cov khoom siv nyiam rau cov xov hluav taws.
A. Daim kab xev phlogopite mica ob sab: Siv daim ntawv phlogopite mica ua cov khoom siv hauv paus thiab daim ntaub fiberglass ua cov khoom siv txhawb nqa ob sab, nws feem ntau yog siv ua txheej rwb thaiv hluav taws kub ntawm cov hlau tseem ceeb thiab daim tawv nqaij sab nraud ntawm cov xov hluav taws kub. Nws muaj kev tiv thaiv hluav taws zoo thiab pom zoo rau cov haujlwm dav dav.
B. Daim kab xev phlogopite mica ib sab: Siv daim ntawv phlogopite mica ua cov khoom siv hauv paus thiab daim ntaub fiberglass ua cov khoom siv txhawb nqa ib sab, nws feem ntau yog siv ua txheej rwb thaiv hluav taws rau cov xov hluav taws. Nws muaj kev tiv thaiv hluav taws zoo thiab pom zoo rau cov haujlwm dav dav.
C. Daim kab xev phlogopite mica peb-hauv-ib: Siv daim ntawv phlogopite mica ua cov khoom siv hauv paus, daim ntaub fiberglass thiab zaj duab xis carbon-free ua cov khoom siv txhawb nqa ib sab, feem ntau yog siv rau cov xov hluav taws kub ua cov txheej rwb thaiv tsev hluav taws kub. Nws muaj kev tiv thaiv hluav taws zoo thiab pom zoo rau cov haujlwm dav dav.
D.Double-film phlogopite mica daim kab xev: Siv daim ntawv phlogopite mica ua cov khoom siv hauv paus thiab yas zaj duab xis ua cov khoom siv txhawb nqa ob sab, nws feem ntau yog siv rau txheej hluav taws xob rwb thaiv tsev. Vim tias tsis tiv taus hluav taws, cov xov hlau tiv taus hluav taws raug txwv tsis pub siv.
E. Daim kab xev phlogopite mica ib zaj duab xis: Siv daim ntawv phlogopite mica ua cov khoom siv hauv paus thiab yas zaj duab xis ua cov khoom siv txhawb nqa ib sab, nws feem ntau yog siv rau txheej rwb thaiv tsev hluav taws xob. Vim tias tsis tiv taus hluav taws, cov xov hlau tiv taus hluav taws raug txwv tsis pub siv.
Lub sijhawm tshaj tawm: Cuaj hlis-06-2022