I-Sliconite igraphitite vs. I-sic

Izinto ze-carbon greyitite zinokwenziwa ngokwakho, amandla aphezulu omatshini, ukulingana okuphezulu, ukuchasana nobushushu obuphezulu, ishishini elifanelekileyo, i-petroleum, ipetroleum, izixhobo kunye nezinye iindawo. Izinto eziqhelekileyo eziqhelekileyo zingaphantsi kunolungelelwano lokunganyangeki kunye nokunganyangeki kwengqondo, ngelixa inovezo lobuNjingalwazi, njengezixhobo zegraficis, kwaye isetyenziswa kuluhlu olubanzi lwezicelo.

Yintoni i-graphicite silive?

Igrafu ye-Silkicon Isutiteite i-phropotite yinto ehlanganisiweyo ye-silicon ye-selicon carbide idityaniswe kumphezulu wezinto zegrafu. I-Silicon Carbide ye-bick yobukhulu be-1 ~ 1.5mm, i-silicon ye-silicon ye-carbide kunye negrafiti yegrafu idityaniswa ngokusondeleyo. Ubulukhuni be-silite yegraphiriya bubulukhuni be-SIC, enesibini kuphela kwidayimani, iBoron Nitride, iBoron Nitride, iBoron ye-boron, kwaye iphakamileyo kune-tungsten carbide kunye ne-aluminium trioxide.

Igrafu yesilili ayinawo nje i-bi-bi-sublite Izixhobo ze-carbon grafu, ukuqhubela phambili kombane, ukuxhathisa okukhohlakeleyo, kodwa kukutyhileka, kodwa kulunge kakhulu kwi-selicon carbide, kwaye ilungele kakhulu Imithwalo enzima, amaqondo obushushu aphezulu, kunye nezinye izihlandlo ezifunwayo, ngoko izixhobo zegrafu zisetyenziswa kakhulu kwaye zisetyenziswa ngokubanzi kwicandelo lokutywina, ukuntywila, ishishini lekhemikhali, kunye nemveliso ye-aeclergy, kunye nemveliso ye-aeclergy, kunye nemveliso ye-aeleargy, kunye nemveliso ye-aeleargy, kunye nemveliso ye-aeclergy, kunye nemveliso ye-aeleargy, kunye nemveliso ye-aeclergy, kunye nemveliso ye-aeleargy, kunye nemveliso ye-aeclerger kunye nemveliso ye-aecleargy.

Ukulungiswa kwesilivere

Zintathu iindlela eziphambili zokuveliswa kwegraficial Chemical Chemical Chemical Ficwer (CVD), i-Vapor yePhemikhali Vapor (Cvr) kunye ne-Liquicon Poistition Indlela yokuphendula ngendlela yokuphendula.

1. I-Vapor Vapor yePhekami (CVD)) Indlela

Irhasi equkethe i-silicon kunye nekhabhoni ngokusebenzisa igrafikhi yeqondo eliphezulu ethatyathwayo, ukuvelisa i-SIC ebekwe kumphezulu wegrafu. Izinto ezingafunekiyo zeTrichLoromethyllilane (Ch3sic3), i-Silicon Tetracheride, i-hydrogen, i-silicon vapor njalo njalo. Uluhlu lobushushu lwe-prefu lubanzi, ukusuka kwi-1175 ℃ ukuya kwi-1775 ℃. Ubungqingqwa be-SIC oveliswe yile ndlela kukuqina kakhulu, ubukhulu obungaphezulu kwe-0.1 ~ 0.3 MM, kodwa ukudityaniswa kwe-SIC kunye negrafu ye-SIC Ubeko luthambekele ekuqhekezeni, ukuphosa.

2. Indlela yeSigaba sePhekhel Uyilo (i-CVR)

Izinto ezingafunekiyo ze-Coke Poker kunye ne-Amorb yeSandz okanye i-Amorphous Silica Powder, xa ifudumele i-2000 ℃ Xa isizukulwana sisabela, isizukulwana sikaSio Vapor, i-SAPONT kunye ne-carcrate procenting ye-carbon ukuvelisa i-SIC. I-SIC ye-SIC kunye nekharbon ezimbini azinantsingiselo, ibhondi yomelele kakhulu, kwimeko yotshintsho ngequbuliso kubushushu kunye nomthwalo we-SVR yi-SIO Generate ye-carbon ukuze iphumeze impendulo , ke hlala ugcine ubume bendawo yekharbon. Nangona kunjalo, indlela ye-CVR yindlela yokuphendula ye-SIO yegesi ye-carbon matrix, ke, ikwayigcina indalo yecarbon matrix, xa isetyenziswa njengezinto zokutywina, kuyimfuneko ukusebenzisa i-reores .

3. I-Sulul Slicon Permentations

Le ndlela ikwangohlobo lwe-CVR. Phantsi kweemeko ze-vacuum, wafudusela ukuya kwi-1700-1900 ℃, i-carbon ye-carbon ingena ngokuthe ngqo kwi-molten Libere, i-Silicon engamanzi ngokuthe ngcembe ingene kwikharbon, indlela yokuphendula yenzekile ukuvelisa i-SIC. I-99.999% yezinto eziluhlaza okwesilico enyulu. Ubungqingqwa be-SIC ubukhulu be-SIC ukuya kwi-3.5 mm. Emva kokuphendula, i-carbon iqulethe malunga ne-17% ye-silicon yasimahla yokugcwalisa isiseko se-pore, ukuze i-subser ide ibe yinto emnandi kwaye inyanzelekile. Nangona kunjalo, ubukho beSilawini yasimahla inciphisa ukumelana nokunganyangeki kunye nokunganyangeki kweqondo lokunyanzela kweqondo le-silicofite.

Umahluko phakathi kwegrafu yesilika kunye ne-sic

I-1.silicon igramifayili (igraficianite ye-siliconite) yimpawu ezihlanganisiweyo ezenziwe ngomaleko we-silicon ye-calicon ye-calicon ye-carbide edityaniswe kumphezulu wezinto zegrafu. Ubunzima be-Silconice ubunzima bubunzima be-SIC, kungumzuzwana kuphela kwidayimani, i-boron nitride, i-boron cablide, kune-tungsten carbide, ialuminium oxide kunye nezinye iingxaki eziphakamileyo. I-graphite isilili inokusetyenziswa njenge-phosphoric acid, phosphorus Amine kunye ne-Hydrofluoric Acid Pump. Ukongeza, umzi-mveliso we-semicondcuctor, njengokukhula kwe-Silicon Epitatial weShekhi yeShekhi yeShushu kunye nokuSebenza kunye nokwenziwa kwamalungu okudibanisa, i-valve yentliziyo yokufakelwa, iingcango zentliziyo zentliziyo.

I-2.silicicon Carbide (i-SIC) yenziwa nge-quartz sand, i-petroleum coke (okanye i-Coal Coke), i-Coker Coke), i-Coker Cooke), i-Coker Coke), ukuveliswa kweenkungu ze-carbide kufuneka yongeze ityiwa) kunye nezinye izinto ezingavisiyo. I-Silicon Carbide nayo ikhona kwindalo njengemizuzu enqabileyo, iMosisnite. I-Silicon Carbide ikwabizwa ngokuba yi-carbonlica. Ekubalikweni, n, b kunye nezinye izinto ezingafunekiyo ze-One-Oxide, i-silicon carbide yeyona isetyenziswa kakhulu, eyona nto ibalulekileyo, inokubizwa ngokuba yintlabathi yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yensimbi. Okwangoku, ukuveliswa kwemveliso yase-China ye-selicon carbide yahlulahlulwe yaba yi-carbide ye-silicon ye-selicon kunye ne-crystal ye-carticon ezimbini, iikristali ze-hexagonal, i-microshard ye-2840 ~ 3320kg / mm2

Yintoni igrafu yesilili kwaye amashishini asetyenziswa kuwo?

Igrafu yesilika yimpawu ezihlanganisiweyo eziquka ungqimba lwe-silicon carbide oluhlanganiswe kumphezulu wezinto zegrafu. Ubulukhuni bemifanekiso yegrafu kukulukhuni kwe-SIC, enesibini kuphela kwidayimani, i-boron witride, i-boron cablide, kwaye iphakamileyo kune-tungsten carbide kunye ne-aluminium trioxide. I-graphite isilili inokusetyenziswa njenge-phosphoric acid, phosphoric acid kunye ne-hydrofluoric acid mpompos. Ukongeza, umzi-mveliso we-semicondcuctor, njengokukhula kwe-Silicon Epitatial weShekhi yeShekhi yeShushu kunye nokuSebenza kunye nokwenziwa kwamalungu okudibanisa, i-valve yentliziyo yokufakelwa, iingcango zentliziyo zentliziyo. I-Silicon Carbide yenziwa ukusuka kwi-quartz sand, i-petroleum coke (okanye i-coal coke), i-Coker Coke), i-CAY MOD (i-ityiwa yongezwa ukuvelisa i-carbide ye-silicon) kunye nezinye izinto ezingafunekiyo ngeqondo elinamafutha kwi-spelting. I-Silicon Carbide nayo ikhona kwindalo njengemizuzu enqabileyo, iMoniten. I-Silicon Carbide ikwabizwa ngokuba yi-carbonlica. Ekubalikweni, n, b kunye nezinye izinto ezingafunekiyo ze-One-Oxide, i-silicon carbide yeyona isetyenziswa kakhulu, eyona nto ibalulekileyo, inokubizwa ngokuba yintlabathi yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yentsimbi okanye isanti yentsimbi yensimbi. Okwangoku, ukuveliswa kwemveliso yase-China ye-selicon carbide yahlulahlulwe zaba ziindidi ezimbini ze-carbicle kunye ne-Green Silicon Carbide, ziikristali eziluhlaza, zingamakristali e-3, 20, 25, ubunzulu be-2840 ~ 3320kg / mm2.

Igrafu yesilili njengohlobo lwe-silicon carbide engakhange icinge ngezinto ezihlanganisiweyo zegrafu, ingekuphela nje kulukhuni oluphezulu lwe-silicon carbide, kodwa ikwanezinto ezintle zokuziqhelanisa nezomzobo Ukwanda kwe-shirmal, okunokusetyenziswa kumatshini wokuchwetheza kunye nezinye iinxalenye ezichanekileyo.

Ubuso bokutywina kwetywina yoomatshini kwenziwa ngomsesane ojikelezayo ofakwe kumngxunya kunye nomkhandi we-static osisigxina, onokufuna ukuba wenze umxholo, ukulinganisa okuphezulu, ukuqhutywa komhlaba, kwaye intsebenzo eyomeleleyo ye-seisic, kunye negrafili yesilili inokuthi ihlangabeze le mifuno. Ilinganiselwe, xa ixabiso le-PV (uxinzelelo lwemveliso) ukuya kuthi ga kwi-147MPA-M / S, i-Carbide Sell evelisa i-ring yokutywina kunye nexabiso le-PV ukuya kwi-687MPA- m / s ngaphandle komonakalo. Ukongeza kunokusetyenziselwa ukufihla iimpompo ezikhuselweyo kunye ne-teeli enamatywina aphezulu e-injini kunye namanye amatywina. I-graphite isilili inokusetyenziswa njenge-phosphoric acid, phosphoric acid kunye ne-hydrofluoric acid mpompos. Ukongeza, umzi-mveliso we-semicondcuctor, njengokukhula kwe-Silicon Epitatial weplate yokufudumeza i-startere kunye ne-fittere kunye nemveliso yokudibanisa izinto, intliziyo yokufakelwa, i-vals ye-acketicy, njl.

Gcwalisa ifom yethu yokufunda ifutshane namhlanje ukuba uthethe ngqo nenye yeenjineli zethu ezinamava.