Imfihlelo ye-silicon carbide powder eluhlaza ukuphucula ukusebenza kwezinto ezidibeneyo
Abo basebenze kwizinto ezidibeneyo bayazi ukuba kunzima ukudibanisa iingenelo zezinto ezahlukeneyo kwisitya esihle kunokuba udibanise ubudlelwane phakathi komamazala kunye nomalokazana. Kodwa ukususela ekuveleni kwei-silicon carbide powder eluhlaza, "ixesha lomlingo", isangqa sezinto ezidibeneyo sivule ngokuthe ngqo "imo yokuvula". Namhlanje, makhe sityhile lo mkhusane ungaqondakaliyo kwaye sibone ukuba le mfumba yomgubo eluhlaza inokwenza njani iinkosi ezinebhongo ezifana nekhabhoni fiber kunye neekeramics zithobele.
1. “Igorha elinamacala amathandathu” elinesiphiwo
I-silicon carbide powder eluhlaza izalwa ibe "yimpuphu yephupha" yezinto ezidibeneyo. Ubunzima be-Mohs yi-9.5, eyona nto iphefumula kakhulu kunedayimane. Umzi-mveliso we-brake pad e-Guangdong wenze uthelekiso. Izinto ezidibeneyo ezixutywe kunye ne-20% ye-silicon carbide eluhlaza inesalathiso sokumelana nokugqoka okuphindwe kathathu kwizinto zemveli. Umalathisi wendawo yokusebenzela uLao Huang wayichukumisa isampuli waza wambombozela wathi: “Ngobu bunzima, awukwazi nokushiya uphawu emva kokuyihlikihla ngephepha lesanti kangangesiqingatha seyure!”
I-thermal conductivity iyingozi ngakumbi. I-Shandong Research Institute ilinganise idatha kwaye yafumanisa ukuba i-thermal conductivity ye-aluminium-based composite materials equkethe i-15% ye-silicon carbide eluhlaza inyuke ukuya kwi-220W / (m · K), eyi-30% yomelele kune-aluminium ecocekileyo. Uchwephesha u-Xiao Liu wajonga kumfanekiso oshushu wadanduluka wathi: “Oku kusebenza kakuhle kokuchitha ubushushu kuthelekiswa nokufaka inkqubo yokupholisa amanzi kwi-CPU!”
Uzinzo lwekhemikhali lukhethekile ngakumbi. Kuvavanyo lwempahla yelinen yombhobho wekhemikhali e-Ningbo, i-silicon ye-carbide edibeneyo eluhlaza yayifakwe kwi-asidi ye-sulfuric egxininisiweyo kwisiqingatha sonyaka, kwaye izinga lokunciphisa ubunzima lalingaphantsi kwe-0.3%. Umhloli womgangatho uLao Wang waphakamisa isampulu waze waqhayisa ngelithi: “Oku kuxhathisa umhlwa, neziko le-alchemy laseTaishang Laojun kufuneka ligqithise icuba!”
2. "Ixesha lomlingo" lenkqubo edibeneyo
Itekhnoloji yokusasaza ngoku ilungile kakhulu. Inkampani yaseJiangsu ifike kunye nokudibanisa "i-ultrasound + ibhola yokugaya", esasaza i-micropowder ngokulinganayo ngaphezu kweeparele kwiti yobisi. UMaster Lao Li waphakamisa ifoto ye-electron microscope waza waqhayisa esithi: “Jonga kobu bunzima bokusasaza, iimbovane ziya kulahleka ukuba zinokunyuka!”
Itekhnoloji emnyama yokudibanisa i-interface ibukhali ngakumbi. I-agent ye-nano-coupling ephuhliswe yilabhoratri e-Shanghai inyuse amandla okudibanisa phakathi kwe-micropowder kunye ne-matrix kwi-150MPa. Inkokeli yeprojekthi yaphakamisa iindondo zayo yathi: “Kwixesha lokugqibela sisenza uvavanyo lokucheba, lo matshini wawuneziphene, kodwa izinto eziyintlanganisela azizange ziphele tu!”
3. "Ukugqamisa indawo" yovavanyo lwangempela lokulwa
Ishishini le-aerospace liphambene ixesha elide. Amagqabi omoya womzi-mveliso othile we-injini yokubhabha eChengdu uyasetyenziswai-silicon carbide eluhlazaukuqinisa i-ceramic-based composite materials, kunye nokumelana nobushushu ngokuthe ngqo ukuya kwi-1600 ℃. Umqhubi wovavanyo uLao Zhang wajonga kwideshibhodi waze wathi: “Ngalo msebenzi, iinjini zejethi kufuneka zibize utata!”
Isibiyeli sebhetri yezithuthi zamandla amatsha siyonwabisa ngakumbi. I-carbon fiber composite bracket yomenzi e-Ningde inamandla athile angama-8 amaxesha entsimbi emva kokuba ixutywe ne-silicon carbide eluhlaza. Ebudeni bovavanyo lokuntlitheka kwayo, injineli yokhuseleko uLao Li yampampatha ucango lwemoto yaza yahleka: “Ngoku lo mzimba wemoto ufana nokunxiba iivesti ezintathu zokuthintela iimbumbulu!”
Intsimi ye-5G ye-base station ye-heat sinks iyaphambana. I-radiator ehlanganisiweyo esekwe kwi-aluminium yomenzi e-Hangzhou ine-coefficient yokwandisa i-thermal elawulwa kwi-4.8×10⁻⁶/℃. Umlawuli wezobugcisa walatha idatha yovavanyo lomjikelo we-thermal kwaye waqhayisa: "Inokulungelelaniswa ukusuka ku -50 ℃ ukuya kwi-200 ℃, kwaye utshintsho lobungakanani bunzulu ngakumbi kune-Virgo!"
I-4, "Ixesha elide" kwi-akhawunti yeendleko
Musa ukujonga ixabiso leyunithi ephezulu yei-silicon carbide micropowder eluhlaza, ngokuqinisekileyo kunenzuzo xa ubala i-akhawunti iyonke. Umzi-mveliso woomatshini eChongqing wenze ubalo-mali: nangona iindleko zemathiriyeli ekrwada zonyuke nge-25%, ubomi bemveliso buphindaphindeke kane, kwaye iindleko zokuzigcina zigcinwe kwiminyaka emithathu zanele ukwakha iworkshop entsha. Inenekazi lezemali lacofa isixhobo sokubala laza lahleka: “Eli shishini linengeniso engakumbi kunokuboleka imali!”
Ukuphuculwa kwempumelelo yemveliso kumnandi ngakumbi ngokufihlakeleyo. Ngokwemilinganiselo yokwenyani yomgca wokuvelisa ngokuzenzekelayo e-Tianjin, ixesha lokunyanga lezinto ezidibeneyo liye lafinyezwa nge-40%. Umphathi wocweyo wajonga kwiscreen esikhulu waza waqhwaba imilenze yakhe: “Ngoku umthamo wemveliso ufana nokukhwela irokethi, yaye abathengi abothuki xa becela iiodolo!”
Namhlanje i-silicon carbide micropowder eluhlaza ayiseyiyo imveliso yengqondo kwilabhoratri. Ukusuka kwiziphekepheke ezibhabha esibhakabhakeni ukuya kwiimoto zamandla amatsha ezibaleka emhlabeni, ukusuka kwiitshiphusi zefowuni eziphathwayo ezinobungakanani besundu ukuya kwiibhlewudi ze-injini yomoya eziziimitha ezili-100 ubude, ikuyo yonke indawo. Amagqala kwishishini athi le nto yenze umngxuma kwisilingi yokusebenza kwezinto ezidibeneyo. Ngokombono wam, oku akukona nje ukuphuculwa kwezinto ezilula, kodwa "ukudubula engalweni" kwishishini lanamhlanje. Ukuba lo mkhwa uyaqhubeka, kuyenzeka ukuba ngenye imini iibhodi zethu zokusika zisebenzise obu buchwepheshe buntsundu – emva koko, ngubani ongafuni ukuba izixhobo zabo zasekhitshini zibe kumgangatho ofanayo nezinto ze-aerospace?