Indima yoguquko yempushana ye-alumina embonini ye-abrasive
Labo abaye basebenza kuma-workshops abrasive bayazi ukuthi kubuhlungu bekhanda ukubhekana nezinto ezinzima kakhulu - izinhlansi ezivela esondo lokugaya, imihuzuko endaweni yokusebenza, nokwehla kwezinga lesivuno. Ubuso bomphathi bumnyama kunangaphansi kwebhodwe. Kuze kube yimpushana emhlophe yei-alumina powderyaphuthuma enkundleni yempi, yadonsela imboni eyingozi enkathini entsha. Namuhla, ake sikhulume ngokuthi kungani le nto isiphenduke “umsindisi ogayayo” wemboni yesimanje!
1. Onethalente: “iqhawe elinezinhlangothi ezine” embonini elimazayo
Impushana ye-Alumina izalelwa ukuba insizwa eqinile edla lesi sitsha serayisi. Izakhiwo ezintathu eziqinile zichoboza ontanga yazo:
Ukuqina kuphezulu: Ukuqina kwe-Mohs kuqala ku-9.0, okwesibili ngemuva kwedayimane. Imboni yamathuluzi e-Guangdong ikalwa: Lapho isika insimbi enesivinini esikhulu, impilo yamasondo okugaya i-alumina iphindwe izikhathi ezi-3 kune-abrasives evamile. Inkosi endala uHuang yathi iphethe usikilidi emlonyeni wayo: “Ngangishintsha isondo lokugaya izikhathi ezintathu lapho ngisika insimbi ewuketshezi, kodwa manje sengikwazi ukuyenza yonke le ndlela ngaphandle kokuphefumula!”
Ukuhlanzeka okungakholeki: okuqukethwe okungu-99.6% kwe-α-Al₂O₃, ukungcola kwensimbi kucindezela kube ngaphansi kuka-0.01%. I-Shanghai Semiconductor Factory ilahlekelwe: kusetshenziswa ama-abrasive ane-iron ukupholisha ama-wafers, indawo engaphezulu yayibukeka njenge-pockmark ngemva kwezinyanga ezintathu; usebenzisa i-alumina powder ukwelapha, ayishintshi umbala ngisho nasezindlini zokugeza ezine-asidi.
Ukuzinza kokushisa kufana nenja endala: indawo encibilikayo engu-2050℃, i-thermal expansion coefficient ephansi njengo-4.8×10⁻⁶/℃. Ifekthri ye-rocket nozzle e-Qingdao iyisebenzisela ukugaya ama-alloys ashisa kakhulu, futhi ukushintshashintsha kosayizi ngaphansi kwemvelo engu-1500 ℃ kungaphansi kokuphindwe ka-6 ububanzi bezinwele.
Okumangalisa nakakhulu ukuthi ingakwazi ukushintsha ukwakheka kwayo izikhathi ezingu-72 - isuka ezinhlayiyeni eziyisicaba zezinga le-micron iye kwimpushana eyindilinga enezinga le-nano, ingaba yindilinga noma isicaba ngendlela othanda ngayo, futhi iklanyelwe ngokukhethekile ukwelapha zonke izinhlobo zokungalaleli!
2. Indawo yenguquko: “Ukusebenza kwezinga lokuqhuma kwenuzi” ezinkundleni zempi ezintathu ezinkulu
I-workshop ye-semiconductor: Amakhono wokufekethisa wezinga le-Nano
Ukupholishwa kwe-Silicon wafer: I-alumina eyisicaba eyisicaba ishushuluza phezu kwe-silicon wafer njengokushibilika, futhi izinga lokuklwebha lehla ngo-70% ngokuslayida ngokuslayida esikhundleni sokuginqika okuvamile. Umphathi we-SMIC wababaza: “Lo msebenzi untekenteke ukwedlula ukufekethiswa!”
I-Silicon carbide chip: I-Nano-alumina polishing liquid drills ingene kwi-chip gap, futhi ukusebenza kahle kokukhipha ukushisa kuthuthukiswa umphumela we-quantum tonnel, futhi izinga lokukhiqiza likhuphukela ku-99.98%. Unjiniyela womsebenzi wambambatha isithombe sesibonakhulu se-electron futhi waqhosha: “Lokhu kunemba kuphakeme kangangokuthi ngisho nomiyane omi kuso kuyodingeka uhlukane phakathi!”
ISapphire substrate: I-Submicron alumina ipholisha i-substrate ye-LED ukuze ibe yi-Ra<0.3nm, ebushelelezi kunesibuko. Umphathi weDongguan Optoelectronics Factory uthe ngenjabulo: “Manje sesenza amalensi e-iPhone, futhi abahloli be-Apple abakwazi ukuthola iphutha kuwo!”
I-workshop yezimoto: umbulali wezindleko ku-inthanethi
I-Aerospace: ochwepheshe abayinselele ngokwedlulele
I-Turbine blade mortise kanye ne-tenon processing:Isondo lokugaya i-Aluminaisebenza ku-alloy esekelwe ku-nickel, futhi ingakwazi ukumelana namahora angu-100 ngaphandle kokulahlekelwa impushana ngesivinini esingu-2200 rpm. Umshayeli ovivinyayo uLao Li wagqolozela isikrini sokugada futhi wamemeza: “Ngalokhu kungezwani nokugqokwa, ngisho noMusk kufanele awudlulise ugwayi!”
Ukupholisha udonga lwangaphakathi lwe-rocket nozzle: Impushana ye-alumina ehlanganiswe nge-nano yehlisa ukuhhloka ku-Ra0.01μm, futhi ukusebenza kahle kukaphethiloli kuthuthukiswa ngo-8%. Unjiniyela omkhulu wathi ngamehlo abomvu: “Le nto eyodwa iyodwa ingonga amathani amathathu kaphethiloli minyaka yonke!”
3. Ukulwa nokukhiqizwa kwasekhaya: kusuka "entanyeni enamathele" kuya "ku-wrestling yengalo"
Ama-abrasives e-alumina asekhaya ayevame ukuba "indaba edabukisayo" - ukumelana nokugqokwa okungalungile, amaqoqo angazinzile, i-nano powder agglomeration njengesobho lama-pimple, futhi imakethe esezingeni eliphezulu yaphathwa yizinkampani zaseMelika nezaseJapane13. Kepha igagasi lendawo ye-semiconductor laphoqa ukuhlasela kweJedi:
Ukuhlasela kokuhlanzeka: Imboni yaseLuoyang ithuthukise isilawuli sokushisa esihlakaniphile se-arc, futhi izinga lokuguqulwa kwesigaba se-α selifinyelele ku-99.95%, futhi ubumsulwa bulingana ne-Showa Denko yaseJapane.
I-metaphysics yosayizi wezinhlayiyana: Izinkampani zase-Zhejiang zisebenzisa izihlukanisi ze-AI turbine ukuze zilawule ukusatshalaliswa kosayizi wezinhlayiyana phakathi kuka-±0.1μm. Amakhasimende ase-Korea alahle imihlathi lapho ehlola izimpahla: “Le datha inembe kakhulu kunomtshina!”
Ukuzalwa kabusha kukadoti: Isisekelo se-Shandong sichoboza futhi sicwengisise kabusha imfucuzaamasondo okugaya, futhi isilinganiso se-admixture sincishiswa sibe ngu-30%, futhi izindleko zehliswa ngo-40%. Umqondisi weshabhu, uLao Zhou, wahleka futhi wathethisa: “Udoti owawukade ulahlwa lapho ulahlekile usubaluleke kakhulu kunezinto ezintsha!”
4.Inkundla yempi yesikhathi esizayo: izitayela ezintathu ezinkulu zizinzile
Ukulawulwa kwezinga le-Nano: Ilabhorethri ye-Hefei iqhamuke nobuchwepheshe obumnyama - ubuchwepheshe bokubeka ungqimba lwe-athomu ukuze kubekwe “izikhali” kuzimpushana ezincane futhi kuxazululwe inkinga ye-agglomeration. Umcwaningi waphakamisa isampula futhi waqhosha: “Manje ukupholishwa kwe-chip kubushelelezi kunoku-wax!”
I-Green Revolution: Isitshalo se-Chongqing sisebenzisa isistimu yokubuyisela i-asidi engcolile ukunciphisa ukulahlwa kwamathani angu-300 emfucumfucu eyingozi unyaka ngamunye. Abantu be-Environmental Protection Bureau bafika bezovakasha futhi baphakamisa izithupha: “Nizodiliza isikhungo sokuhlanza indle!”
Amathuluzi okugaya ahlakaniphile: Imboni yaseZhengzhou ifake inzwa yokucindezela esondo lokugaya ukuze ilungise amapharamitha okugaya ngesikhathi sangempela. U-Xiao Liu, uchwepheshe owazalwa ngawo-1990s, wathayipha kukhibhodi futhi waqhosha: “Manje ukulungisa amapharamitha kulula kunokudlala imidlalo, futhi izinga lesivuno selifinyelele ku-99.8%!”