I-silicon carbide powder eluhlaza: isikhali esiyimfihlo sokuthuthukisa ukusebenza kahle kokupholisha
Ngehora lesibili ezimpondweni, uLao Zhou ovela endaweni yokusebenzela engemuva komakhalekhukhwini wajikijela ikhava yengilazi eyayisanda kuphuma emgqeni wokukhiqiza etafuleni lokuhlola, futhi umsindo wawushubile njengokucisha iziqhumane. "Bheka! Iqoqo leshumi! Ikhasi eliwolintshi nenkungu. Abahloli be-apula bazofika kusasa. Ingabe le nto ingalethwa?!" Igazi emehlweni akhe lalibomvu kunelambu elibonisa umshini. U-Li, owayethule ekhoneni, waphusha kancane kancane ibhakede elinempushana eluhlaza okumnyama, “Zama lolu ‘hlanya oluluhlaza’, lujabulisa kakhulu ukugaya amathambo aqinile.” Ezinsukwini ezintathu kamuva, iqoqo lokuqala lemikhiqizo efanelekayo lathunyelwa ngendiza ebusuku. ULao Zhou wambambatha ibhakede likaimpushana eluhlazafuthi emoyizela: “Lo mfanyana onolaka ngempela angasindisa izimpilo!” Enkundleni yempi yokupholisha, okuwumjaho ophikisana nesikhathi,i-silicon carbide powder eluhlaza (SiC)iwumuthi onamandla futhi osebenza kahle ophatha ngokukhethekile zonke izinhlobo “zokungakwazi ukugaya” kanye “nokungakwazi ukupholisha”.
I-silicon carbide powder eluhlaza, eyaziwa ngokuthi “ikhabhoni eluhlaza” noma “GC” emhlabeni. Akusona isihlabathi esivamile, kodwa insizwa eqinile “ecwengiwe” esithandweni sikagesi se-arc esingaphezu kwama-degree angu-2000 esinezinto ezifana nesihlabathi se-quartz ne-petroleum coke. Inomzimba omuhle: Ukuqina kwe-Mohs kuphezulu njengo-9.2-9.3. Kuqine kancane kuno“i-white corundum umzala” futhi okwesibili ngemuva kwedayimane. Okumangalisa kakhulu “izingubo zayo eziluhlaza” – amakristalu e-silicon carbide acwenge kakhulu, anemiphetho ebukhali namakhona, kanye nolaka olusheshayo noluqinile. Uma i-corundum “iwumpetha wokuklwebha” ozolile, kusho ukuthii-silicon carbide eluhlaza"ungukaputeni wokubhidliza" ophethe i-mace encane, egxile ekuququdeleni amathambo aqinile, futhi ukusebenza kahle kwayo kuyamangalisa.
Inani lawo lisemoyeni “osheshayo, onembile, nononya”:
1. Ukuququda “amathambo aqinile”: ngokukhethekile kuzo zonke izinhlobo zokungalaleli
Ingilazi yomakhalekhukhwini (i-Corning Gorilla), isibuko sewashi lesafire, isicwecwana esiyikristalu se-silicon eyodwa, i-ceramic substrate… Le “misebenzi yobuso” yomkhakha wesimanje inzima futhi intekenteke kakhulu kunamanye. Ama-abrasive avamile ngeke asebenze noma aphule imiphetho uma kusetshenziswa amandla amaningi. Imiphetho ebukhali ye-silicon carbide powder eluhlaza (njengamashizolo amancane angenakubalwa ezingeni le-microscopic), kuhlanganiswe nobulukhuni bayo obuphakeme, ivumela ukuba "isike" ingaphezulu lezinto eziqinile neziphukayo ngokuqinile nangokuqhubekayo. Iyakwazi ukuxebula ngokushesha impahla, esikhundleni sokuthi "iyilima" njengamanye ama-abrasives ukuze idale umonakalo ojulile. Ukupholisha ikhava yeselula? Ingakwazi ukwenza isicaba ngokushesha "izintaba" endaweni yengilazi ngaphandle kokufaka "izigodi" eduze kwayo, iphinda kabili ukusebenza kahle ngokuqondile, kanye nokuthungwa kwekhasi lewolintshi? Cha!
2. Ukusika “ummese osheshayo”: isikhathi imali
Emgqeni wokukhiqiza wephaneli yekristalu ye-TFT-LCD, njalo ngomzuzwana wokugaya onqenqemeni nokupholishwa kwe-substrate yengilazi yosayizi omkhulu kuhlobene namandla okukhiqiza. "Ijubane" le-silicon carbide powder eluhlaza liqoshwe ezakhini zalo zofuzo. Izinhlayiya zayo aziqinile nje kuphela futhi zibukhali, kodwa futhi ngokumangalisayo ziyazilola - izinhlayiya ezibuthuntu zizoziphula ngaphansi kwengcindezi, ziveze imiphetho ebukhali ukuze ziqhubeke nokulwa! Ngokungafani namanye ama-abrasive athambile, aba “bushelelezi” ngenkathi egaya, futhi ukusebenza kwawo kahle kuyehla. Leli khono "lokuzivuselela" livumela ukuthi lifane nenhlanzi emanzini ezigabeni zokupholisha ezimbi nezimaphakathi, futhi izinga layo lokukhipha impahla ngesikhathi seyunithi (MRR) lidlula kakhulu izimbangi zayo. Ngemuva kokuthi imboni ye-silicon wafer ye-photovoltaic ishintshele ku-silicon carbide slurry eluhlaza enosayizi othize wezinhlayiyana, ukusebenza kahle kokukhishwa konqenqema lwe-silicon kukhuphuke ngo-35%, futhi umthamo wokukhiqiza wansuku zonke womugqa owodwa ukhishwe ngamakhulu ezicucu - ngenkathi yokufaka ama-rush, lena imali yangempela!
3. "Kuhle" ku-rough: ibhalansi ethambile phakathi kokusebenza kahle nokunemba
Ungacabangi ukuthi “uhlanya oluluhlaza” angenza kuphela ngokunganaki. Ngokunemba kokupholishwa kwewindi lesafire, ukukhetha usayizi wezinhlayiyana olungile (ofana no-W7, W5 noma ocoleke nakakhulu ngemva kokugreda kahle) kanye nefomula ye-silicon carbide micropowder eluhlaza ibonisa “okuthambile ngaphansi kobunzima”. Ingasusa kahle ukuklwebheka okujulile kanye nezingqimba zomonakalo ongaphansi komhlaba ezishiywe njengesisekelo sezinto ezibekwe yidayimane (isisekelo sokubeka) Ukupholisha kwangempela okulandelayo (njengokusebenzisa i-silica sol) kubalulekile ngaphandle kokuthi kususwe ngokuphumelelayo "ukulimala kanzima", isinyathelo sokupholisha esithatha isikhathi sizonwetshwa kakhulu, futhi izinga lesivuno lizoba nzima ukuliqinisekisa wona, “umsebenzi omuhle” wokunamathisela ucwecwe lwegolide kamuva uyoba yize.
4. Ukudlala "ngokugaya amanzi": ukuzinza kuyindlela yokugcina
I-silicon carbide micropowder eluhlaza inezinto zamakhemikhali ezizinzile (inert) futhi akulula ukuphendula ngoketshezi oluvame ukusetshenziswa olususelwe emanzini noma olususelwa kuwoyela. Kusho ukuthini lokhu? I-slurry inokuqina okuhle futhi akulula ukuwohloka, ukuxazulula noma ukuhlanganisa! Emugqeni wokupholisha onezinga eliphezulu lokuzenzakalela, ukusebenza okuzinzile kwe-slurry kuwumugqa wempilo. Cabanga ngakho, uma i-abrasive ngezinye izikhathi iwugqinsi futhi ngezinye izikhathi izacile, futhi izinhlayiya zihlangana ndawonye ukuze zivimbe ipayipi, izoba yimbi kangakanani isivuno kanye nezindleko zokulondolozwa kwemishini? “Ikhabhoni Elihlaza"Yenza abantu bangakhathazeki. I-slurry elungisiwe ingakwazi ukuhamba ngokuzinzile noma isikhathi eside, yehlise kakhulu inani lokuvala ukuze kulungiswe amapharamitha kanye namapayipi ahlanzekile." U-Lao Wu, umphathi wokukhiqiza wefektri ekhiqiza izinto zobumba eqondile, wathi ngomzwelo: "Njengoba i-silicon carbide slurry eqinile ishintshile, ekugcineni ngingakwazi ukuhlala phansi ngihlole ebusuku. Bekufana nokucisha umlilo!”
Kule nkathi yokuphishekela ukushelela nokusebenza kahle,i-silicon carbide micropowder eluhlazaisebenzise amandla ayo aqinile "intukuthelo enobudlova" ukuze iqophe igama layo eliphumelelayo nelithembekile ngemuva kwezindawo ezingenakubalwa ezibushelelezi ezifana nesibuko-ayiyona indima emnene, kodwa "isikhali esiyimfihlo" esifanelekile sokuthuthukisa ukusebenza kahle kokupholisha.