Intshayelelo yemveliso kunye nokusetyenziswa kwe-black silicon carbide
I-silicon carbide emnyama(efinyeziweyo njenge-black silicon carbide) yinto engeyoyesinyithi eyenziwe ngesanti ye-quartz kunye ne-petroleum coke njengezinto eziphambili kwaye inyibilikiswa kubushushu obuphezulu kwisithando sokumelana. Inembonakalo emnyama-ngwevu okanye emnyama, ubunzima obuphezulu kakhulu, ubushushu obuhle kunye nozinzo lweekhemikhali. Yinto ebalaseleyo yokwenziwa kwaye isetyenziswa kakhulu kwi-abrasives, izinto ezichasayo, i-metallurgy, i-ceramics, i-elektroniki kunye neminye imimandla.
Ⅰ. Iimpawu zokusebenza kwe-black silicon carbide
Ubunzima bukaMohsi-silicon carbide emnyamaIphezulu njenge-9.2, ilandela idayimani kunye ne-cubic boron nitride kuphela, kwaye inokumelana nokuguguleka okunamandla kakhulu kunye nokumelana nempembelelo. Indawo yayo yokunyibilika imalunga ne-2700°C, kwaye inokugcina uzinzo lwesakhiwo kwiindawo ezinobushushu obuphezulu kwaye akulula ukuyibolisa okanye ukuyiguqula. Ukongeza, ine-thermal conductivity elungileyo kunye ne-thermal expansion coefficient ephantsi, kwaye isabonisa uzinzo oluhle kakhulu lwe-thermal shock phantsi kobushushu obuphezulu kunye neemeko zoxinzelelo oluphezulu.
Ngokuphathelele iipropati zeekhemikhali, i-black silicon carbide inokumelana kakuhle nokugqwala kwii-asidi kunye ne-alkalis, kwaye ifanelekile ngakumbi ukusetyenziswa kwimizi-mveliso kwiindawo ezinzima. Ukuqhuba kwayo okuphezulu kuyenza ibe yinto eyahlukileyo kwezinye izixhobo zokufudumeza zombane kunye namacandelo e-semiconductor.
Ⅱ. Iifom zemveliso eziphambili kunye neenkcukacha
I-black silicon carbide ingenziwa ngeendlela ezahlukeneyo ngokweesayizi ezahlukeneyo zeesuntswana kunye nokusetyenziswa kwazo:
Izinto ezisetyenzisiweyo: iikristale ezinkulu emva kokunyibilikisa, ezisetyenziswa rhoqo ekucubunguleni kwakhona okanye njengezongezo zesinyithi;
Isanti eneziqwenga (isanti ye-F/isanti ye-P): isetyenziselwa ukwenza amavili okugaya, izinto zokugquma isanti, iphepha lokugquma, njl.njl.;
Umgubo omncinci (uthotho lwe-W, D): osetyenziselwa ukugaya ngokuchanekileyo, ukupolisha, ukuthungwa kwe-ceramic, njl.njl.;
Umgubo omncinci we-Nano-level: osetyenziselwa iiseramikhi ze-elektroniki eziphezulu, izixhobo ezidityanisiweyo zokuqhuba ubushushu, njl.njl.
Ubungakanani besuntswana buqala kwi-F16 ukuya kwi-F1200, kwaye ubukhulu besuntswana ye-micro powder bunokufikelela kwinqanaba le-nanometer, elinokwenziwa ngokwezifiso ngokweemfuno zobugcisa zamacandelo ahlukeneyo okusetyenziswa.
Ⅲ. Iindawo eziphambili zokusetyenziswa kwe-black silicon carbide
1. Izixhobo zokurhawuzelela kunye nezixhobo zokusila
Ii-abrasives zezona ndawo zemveli nezisetyenziswa kakhulu kwi-black silicon carbide. Isebenzisa ubulukhuni bayo obuphezulu kunye neempawu zokuzilola, i-black silicon carbide ingasetyenziselwa ukuvelisa iimveliso ezahlukeneyo ezirhabaxa, ezinje ngamavili okusila, iidiski zokusika, iphepha lokusanti, iintloko zokusila, ii-grinding pastes, njl.njl., ezifanelekileyo ekusileni nasekuqhubeni izinto ezifana nentsimbi ephosiweyo, intsimbi, iintsimbi ezingezizo i-ferrous, iiceramics, iglasi, i-quartz, kunye neemveliso zesamente.
Iingenelo zayo zisantya sokugaywa esikhawulezayo, akukho lula ukuyivala, kunye nokusebenza kakuhle kokucubungula. Isetyenziswa kakhulu ekucubunguleni isinyithi, ekuveliseni oomatshini, ekuhombiseni izakhiwo nakwamanye amashishini.
2. Izinto ezivuselelayo
Ngenxa yokuzinza kwayo kumaqondo obushushu aphezulu kunye nokumelana nokugqwala, i-black silicon carbide isetyenziswa kakhulu kwicandelo lezinto ezichasene nobushushu obuphezulu. Ingenziwa ibe zizitena ze-silicon carbide, ii-linings ze-furnace, ii-crucibles, iityhubhu zokukhusela i-thermocouple, izixhobo ze-oven, ii-nozzles, izitena ze-tuyere, njl.njl., kwaye isetyenziswa kakhulu kumashishini amaqondo obushushu aphezulu afana ne-metallurgy, ii-non-ferrous metals, umbane, iglasi, isamente, njl.njl., ukwandisa ubomi bezixhobo kunye nokuphucula ukhuseleko lokusebenza.
Ukongeza, izinto ze-silicon carbide zineempawu ezilungileyo ze-antioxidant kwiindawo ezishushu kakhulu ze-oxidizing kwaye zifanelekile ukusetyenziswa kwiindawo eziphambili ze-hot blast ovens, ii-blast ovens kunye nezinye izixhobo.
3. Ishishini lesinyithi
Kwiinkqubo zesinyithi ezifana nokwenza intsimbi kunye nokuphosa, i-black silicon carbide ingasetyenziswa njenge-deoxidizer, i-agent yokufudumeza kunye ne-recarburizer. Ngenxa yomxholo wayo ophezulu wekhabhoni kunye nokukhululwa kobushushu ngokukhawuleza, inokuphucula ngempumelelo ukusebenza kakuhle kokunyibilikisa kwaye iphucule umgangatho wentsimbi enyibilikisiweyo. Kwangaxeshanye, inokunciphisa umxholo wokungcola kwinkqubo yokunyibilikisa kwaye idlale indima ekucoceni intsimbi enyibilikisiweyo.
Ezinye iifektri zentsimbi zongeza umlinganiselo othile we-silicon carbide ukulungisa umxube wokunyibilikisa isinyithi esityhidiweyo kunye nesinyithi esithambileyo ukuze kongiwe iindleko kwaye kuphuculwe ukusebenza kwee-castings.
4. Iiseramikhi kunye nezixhobo ze-elektroniki
I-black silicon carbide ikwayinto ebalulekileyo kwi-ceramics ezisebenzayo. Ingasetyenziselwa ukulungiselela ii-ceramics zesakhiwo, ii-ceramics ezingagugiyo, ii-ceramics eziqhuba ubushushu, njl.njl., kwaye inamathuba amaninzi kwicandelo le-elektroniki, ishishini leekhemikhali, oomatshini, njl. Ine-thermal conductivity egqwesileyo, ene-thermal conductivity efikelela kwi-120 W/m·K, kwaye idla ngokusetyenziswa kwizixhobo zokusasaza ubushushu eziqhuba ubushushu, izixhobo zojongano lobushushu kunye nezixhobo zokusasaza ubushushu ze-LED.
Ukongeza, i-silicon carbide iye yangena kancinci kwicandelo lee-semiconductors zamandla kwaye yaba yinto esisiseko kwizixhobo ezishushu kakhulu nezinamandla aphezulu. Nangona ubunyulu be-silicon carbide emnyama buphantsi kancinci kunobo be-silicon carbide eluhlaza, ikwasetyenziswa kwezinye iimveliso ze-elektroniki ezisebenzisa amandla aphakathi naphantsi.
5. Amashishini e-Photovoltaic kunye namashishini amatsha amandla
Umgubo we-silicon carbide omnyama usetyenziswa kakhulu ekusikeni ii-wafers ze-silicon kwishishini le-photovoltaic. Njenge-abrasive kwinkqubo yokusika ucingo lwedayimani, ineenzuzo zobunzima obuphezulu, namandla.ukusikaamandla, ilahleko ephantsi, kunye nomphezulu wokusika ogudileyo, onceda ukuphucula ukusebenza kakuhle kokusika kunye nemveliso yee-wafer ze-silicon kunye nokunciphisa izinga lokulahleka kwe-wafer kunye neendleko zemveliso.
Ngophuhliso oluqhubekayo lwamandla amatsha kunye nobuchwepheshe bezinto ezintsha, i-silicon carbide ikwaphuhliswa kwiindawo ezintsha ezifana nezongezo ze-electrode ezingezizo zebhetri ye-lithium kunye neenkampani ezithwala i-ceramic membrane.
Ⅳ. Isishwankathelo kunye neMbono
I-black silicon carbide idlala indima engenakutshintshwa kwiindawo ezininzi zoshishino ngenxa yeempawu zayo ezibalaseleyo zoomatshini, ubushushu kunye neekhemikhali. Ngokuqhubeka nokuqhubela phambili kwetekhnoloji yokuvelisa, ulawulo lobungakanani beenxalenye zemveliso, ukucocwa kobunyulu kunye nokwandiswa okuqhubekayo kweendawo zokusetyenziswa, i-black silicon carbide iphuhlisa ukusebenza okuphezulu kunye nokuchaneka.
Kwixesha elizayo, ngokunyuka ngokukhawuleza kwamashishini afana namandla amatsha, iiseramikhi ze-elektroniki, izinto eziphezuluukugaya kunye nokuveliswa ngobuchule, i-black silicon carbide iya kudlala indima ebaluleke ngakumbi kwicandelo lokuveliswa kwemveliso ephezulu kwaye ibe yinxalenye ephambili yenkqubo yetekhnoloji yezinto eziphucukileyo.