Kutanga kwechigadzirwa uye kushandiswa kweblack silicon carbide
Kabhidhi yesilicon nhema(yakapfupikiswa se black silicon carbide) chinhu chisina kugadzirwa chesimbi chakagadzirwa nejecha re quartz ne petroleum coke sezvinhu zvikuru zvekugadzira uye chinonyungudutswa pakupisa kwakanyanya muchoto chinopinzwa simba. Chine chitarisiko chakasviba-grey kana dema, kuomarara kwakanyanya, kupisa kwakanaka uye kugadzikana kwemakemikari. Chinhu chakanaka kwazvo cheindasitiri uye chinoshandiswa zvakanyanya mukugadzira zvinhu zvinobvisa simba, zvinhu zvinoramba kushanda, simbi, ceramics, electronics nedzimwe nzvimbo.
Ⅰ. Hunhu hwekushanda kwe black silicon carbide
Kuomarara kweMohskabhidhi nhema yesiliconYakakwira kusvika 9.2, iri yechipiri chete kudhaimani ne cubic boron nitride, uye ine simba guru rekuramba kupfeka uye kuramba kukanganiswa. Nzvimbo yayo yekunyunguduka inenge 2700°C, uye inogona kuchengetedza kugadzikana kwechimiro munzvimbo dzinopisa zvakanyanya uye haisi nyore kuora kana kukanganisika. Pamusoro pezvo, ine thermal conductivity yakanaka uye thermal expansion coefficient yakaderera, uye ichiri kuratidza kugadzikana kwakanaka kwethermal shock pasi pemamiriro ekupisa kwakanyanya uye kumanikidzwa kwakanyanya.
Panyaya yehunhu hwemakemikari, black silicon carbide inodzivirira ngura zvakanaka kumaacid nemaalkali, uye inonyanya kukodzera kushandiswa mumaindasitiri munzvimbo dzakaoma. Kufambiswa kwayo kwakanyanya kunoitawo kuti ive imwe nzira yekushandisa zvimwe zvinhu zvinodziya zvemagetsi neminda yesemiconductor.
Ⅱ. Mafomu makuru echigadzirwa uye zvirevo
Kabhoni yesilicon nhema inogona kugadzirwa mumhando dzakasiyana zvichienderana nehukuru hwakasiyana hwezvimedu uye mashandisirwo azvo:
Zvinhu zvemabhuroko: makristaro makuru mushure mekunyungudutsa, anowanzo shandiswa pakugadzirisazve kana sezvinhu zvinowedzerwa musimbi;
Jecha rine granular (jecha reF/jecha reP): rinoshandiswa kugadzira mavhiri ekukuya, zvinhu zvinobvisa kuputika kwejecha, sandpaper, nezvimwewo;
Upfu hudiki (W, D series): hunoshandiswa pakukuya, kupukuta, kusvina ceramic, nezvimwewo;
Upfu hudiki hweNano-level: hunoshandiswa pakugadzira ceramics dzemagetsi dzemhando yepamusoro, zvinhu zvinofambisa kupisa, nezvimwewo.
Saizi yezvikamu inotangira paF16 kusvika paF1200, uye saizi yezvikamu zveupfu hudiki inogona kusvika padanho re nanometer, izvo zvinogona kugadziriswa zvichienderana nezvinodiwa zvehunyanzvi zveminda yakasiyana yekushandisa.
Ⅲ. Nzvimbo huru dzekushandisa dze black silicon carbide
1. Maturusi ekukuya nekushandisa pakukuya
Ma-abrasives ndiwo anonyanya kushandiswa pakugadzira black silicon carbide. Ichishandisa kuoma kwayo kukuru uye hunhu hwayo hwekuzvirodza, black silicon carbide inogona kushandiswa kugadzira zvigadzirwa zvakasiyana-siyana zvinokwesha, zvakaita semavhiri ekukuya, madhisiki ekucheka, sandpaper, misoro yekukuya, mapesta ekukuya, nezvimwewo, zvakakodzera kukuya nekugadzirisa zvinhu zvakaita sesimbi yakakandwa, simbi, simbi dzisina ferrous, ceramics, girazi, quartz, uye zvigadzirwa zvesimende.
Zvakanakira zvayo kukurumidza kugayiwa, hazvisi nyore kuvhara, uye kushanda zvakanaka kwekugadzirisa. Inoshandiswa zvakanyanya mukugadzira simbi, kugadzira michina, kushongedza zvivakwa nemamwe maindasitiri.
2. Zvinhu zvinodzivirira mhepo
Nekuda kwekugadzikana kwayo pakupisa kwakanyanya uye kuramba kwayo ngura, black silicon carbide inoshandiswa zvakanyanya mukugadzira zvinhu zvinopisa zvakanyanya. Inogona kugadzirwa kuita zvidhinha zvesilicon carbide, machira echoto, ma crucibles, machubhu ekudzivirira thermocouple, maturusi echoto, ma nozzles, zvidhinha zveTuyere, nezvimwewo, uye inoshandiswa zvakanyanya mumaindasitiri ane kupisa kwakanyanya akadai sesimbi, simbi dzisina ferrous, magetsi, magirazi, simende, nezvimwewo, kuwedzera hupenyu hwemidziyo uye kuvandudza kuchengetedzeka kwekushanda kwayo.
Pamusoro pezvo, zvinhu zvesilicon carbide zvine hunhu hwakanaka hwekuchengetedza ma antioxidants munzvimbo dzinopisa zvakanyanya uye zvakakodzera kushandiswa muzvikamu zvakakosha zvezvitofu zvinopisa, zvitofu zvinoputika nezvimwe zvishandiso.
3. Indasitiri yesimbi
Mumabasa esimbi akadai sekugadzira simbi nekukanda, black silicon carbide inogona kushandiswa se deoxidizer, induction yekudziya uye recarburizer. Nekuda kwehuwandu hwayo hwakawanda hwekabhoni uye kuburitsa kupisa nekukurumidza, inogona kuvandudza mashandiro ekunyungudutsa uye kuvandudza mhando yesimbi yakanyunguduka. Panguva imwe chete, inogona zvakare kuderedza huwandu hwekusachena mukuita kwekunyungudutsa uye kuita basa rekuchenesa simbi yakanyungudutswa.
Mamwe magayo esimbi anowedzerawo chikamu chakati chesilicon carbide kugadzirisa musanganiswa wekunyungudutsa kwesimbi yakakandwa nesimbi yakapfava kuchengetedza mari uye kuvandudza mashandiro esimbi dzakakandwa.
4. Zviumbwa zvesimbi nezvinhu zvemagetsi
Kabhoni yesilicon nhema inokoshawo pakugadzira zvinhu zveceramic zvinoshanda. Inogona kushandiswa kugadzira zvinhu zveceramic, zvinhu zveceramic zvisingapfeki, zvinhu zveceramic zvinofambisa kupisa, nezvimwewo, uye ine mikana yakawanda muminda yemagetsi, indasitiri yemakemikari, michina, nezvimwewo. Ine thermal conductivity yakanaka, ine thermal conductivity inosvika 120 W/m·K, uye inowanzoshandiswa muzvinhu zvinofambisa kupisa zvinofambisa kupisa, zvinhu zvinoshandisa thermal interface uye zvikamu zvinoshandisa LED heat dissipation.
Pamusoro pezvo, silicon carbide yave kupinda zvishoma nezvishoma mumunda wemagetsi emagetsi uye yava chinhu chikuru chemidziyo inopisa zvakanyanya uye ine magetsi akawanda. Kunyangwe kuchena kwesilicon carbide nhema kwakaderera zvishoma pane kwegreen silicon carbide, inoshandiswawo mune zvimwe zvigadzirwa zvemagetsi zvepakati nepasi.
5. Maindasitiri emagetsi matsva nemagetsi matsva
Upfu hweblack silicon carbide hunoshandiswa zvakanyanya mukucheka mawafer esilicon muindasitiri ye photovoltaic. Senzira yekukwenya mukucheka waya yedhaimani, ine zvakanakira zvekuomarara kwakanyanya, kwakasimba.kuchekasimba, kurasikirwa kushoma, uye nzvimbo yekucheka yakatsetseka, izvo zvinobatsira kuvandudza kushanda zvakanaka kwekucheka uye goho remawafer esilicon uye kuderedza mwero wekurasikirwa kwewafer uye mari yekugadzira.
Nekuvandudzwa kuri kuramba kuchiitwa kwesimba idzva uye matekinoroji matsva, silicon carbide iri kugadzirwawo kuminda mitsva yakadai se lithium battery negative electrode additives uye ceramic membrane carriers.
Ⅳ. Pfupiso uye Maonero
Karubhidhi yesilicon nhema inoita basa guru muminda yakawanda yemaindasitiri nekuda kwehunhu hwayo hwakanaka hwemakanika, kupisa uye makemikari. Nekufambira mberi kuri kuitwa tekinoroji yekugadzira, kudzora saizi yezvigadzirwa, kunatswa kwehutsanana uye kuwedzera kuri kuitwa kweminda yekushandisa, karubhidhi yesilicon nhema iri kukura ichienda kumabasa akakwirira uye akarurama.
Mune ramangwana, nekukwira nekukurumidza kwemaindasitiri akadai sesimba idzva, zviumbwa zvemagetsi, zvigadzirwa zvepamusoro-sorokukuya uye kugadzira zvinhu zvine hungwaru, black silicon carbide ichaita basa rakakosha mumunda wekugadzira zvinhu zvepamusoro uye ichava chinhu chikuru chehurongwa hwetekinoroji yepamusoro.