I-aluminium powder: umgubo womlingo wokuphucula ukusebenza kwemveliso
Kwiworkshop yefektri, uLao Li wayenexhala malunga nebhetshi yeemveliso eziphambi kwakhe: emva kokudubula le bhetshii-ceramic substrates, kwakusoloko kukho iintanda ezincinane phezu komhlaba, yaye kungakhathaliseki ukuba iqondo lobushushu leonti lalihlengahlengiswa njani na, lalingenamsebenzi kangako. ULao Wang weza, wayijonga okomzuzwana, wathatha ibhegi yomgubo omhlophe esandleni: "Zama ukongeza enye yale, Lao Li, mhlawumbi iya kusebenza." ULao Wang uyinkosi yobugcisa kumzi-mveliso. Akathethi kakhulu, kodwa uhlala ethanda ukucinga ngezinto ezintsha ezahlukeneyo. ULao Li wathatha isikhwama ngesiqingatha sentliziyo, kwaye wabona ukuba ileyibhile ithi "i-alumina powder".
Umgubo weAlumina? Eli gama livakala liqhelekile, kanye njengomgubo omhlophe oqhelekileyo oselabhoratri. Inokuba njani "ngumgubo womlingo" onokucombulula iingxaki ezinzima? Kodwa uLao Wang wasalatha kuyo ngokuzithemba waza wathi: “Ungakujongeli phantsi.
Kutheni uLao Wang eyithanda kangaka le powder emhlophe engabonakali? Isizathu silula-xa singenako ukulitshintsha ngokulula lonke ihlabathi, sinokuzama ukongeza “umgubo womlingo” ukutshintsha ukusebenza okungundoqo. Umzekelo, xa iiseramics zemveli zingaqini ngokwaneleyo kwaye zithande ukuqhekeka; isinyithi azikwazi ukumelana ne-oxidation yobushushu obuphezulu; kunye neeplastiki zine-conductivity ephantsi ye-thermal, i-alumina powder ibonakala ngokuthula kwaye ibe "ilitye lokujonga" ukusombulula ezi ngxaki eziphambili.
ULao Wang wakha wadibana neengxaki ezifanayo. Ngaloo nyaka, wayejongene necandelo elikhethekileyo le-ceramic elifuna ukuba libe lukhuni, liqinile, kwaye lixhathise ukushisa okuphezulu.Izinto ze-ceramic eziqhelekileyoziyagxothwa, kwaye amandla anele, kodwa ziya kuqhekeka ngokukhawuleza xa zibamba, njengeqhekeza leglasi ebuthathaka. Ukhokele iqela lakhe ukuba linyamezele iintsuku ezininzi nobusuku bazo elabhoratri, ehlengahlengisa ngokuphindaphindiweyo ifomyula kunye nomlilo wokudubula emva kwe-oven, kodwa umphumo waba kukuba amandla ayengekho kumgangatho okanye i-brittleness yayiphezulu kakhulu, ihlala inzima emphethweni wobuthathaka.
Ezo ntsuku zazitshisa ingqondo, kwaye ndaphulukana neenwele ezininzi. ULao Wang kamva wakhumbula. Ekugqibeleni, bazama ukongeza umlinganiselo othile we-alumina ecocekileyo ephezulu eyenziwe ngokuchanekileyo kwi-ceramic ekrwada. Xa iziko livulwa kwakhona, kwenzeka ummangaliso: iinxalenye zeseramic ezisandula ukutshiswa zenza isandi esinzulu nesimnandi xa kunkqonkqozwa. Xa uzama ukuyiqhekeza ngamandla, yamelana namandla ngokunyanisekileyo kwaye ayizange iphinde iqhekeze ngokulula - amasuntswana e-alumina asasazwa ngokulinganayo kwi-matrix, ngokungathi inethiwekhi engabonakaliyo eqinileyo yayilukiweyo ngaphakathi, engazange iphucule kakhulu kuphela ubulukhuni, kodwa iphinde ithathele cwaka amandla empembelelo, iphucula kakhulu i-brittleness.
Kuthenialumina powderbanawo “umlingo”? ULao Wang wazoba isuntswana elincinane ephepheni: “Jonga, eli suntswana le-alumina liqine kakhulu, linokuthelekiswa nesafire yendalo, kunye nokunganyangeki kodidi lokuqala.” Wanqumama esithi, “Okubaluleke ngakumbi kukuba, iyamelana namaqondo obushushu aphakamileyo, yaye imichiza yayo izinzile njengeNtaba iTai. Ayitshintshi indalo yayo kubushushu obuphezulu, yaye ayithobi lula intloko yayo ngeeasidi ezinamandla neealkali. Ukongezelela koko, ikwayiconductor elungileyo yobushushu, yaye ubushushu bubaleka ngokukhawuleza kakhulu ngaphakathi kuyo.”
Emva kokuba ezi mpawu zibonakala zizimele zifakwe ngokuchanekileyo kwezinye izinto, kufana nokujika amatye abe yigolide. Ngokomzekelo, ukuyongeza kwi-ceramics kunokuphucula amandla kunye nokuqina kwee-ceramics; ukwazisa ngezinto ezixutywe ngentsimbi zinokuphucula kakhulu ukumelana nokunxiba kunye nokukwazi ukumelana nobushushu obuphezulu; nokuba ukongeza kwihlabathi leplastiki kunokuvumela iiplastiki ukuba ziqhube ubushushu ngokukhawuleza.
Kwishishini le-elektroniki,alumina powderyenza "umlingo". Kule mihla, yeyiphi ifowuni ephezulu okanye ikhompyuter yelaptop engenaxhala malunga nokufudumeza kwangaphakathi ngexesha lokusebenza? Ukuba ubushushu obuveliswa ngamalungu e-elektroniki achanekileyo abunakuchithwa ngokukhawuleza, umsebenzi uya kucotha ngokugqibeleleyo, kwaye itshiphu yonakale kakhulu. Iinjineli ngobuchule zigcwalisa i-thermal conductivity ye-alumina powder kwi-silicone ekhethekileyo ye-thermal conductive okanye iiplastiki zobunjineli. Ezi zixhobo eziqulethe i-alumina powder zifakwe ngokucokisekileyo kumacandelo angundoqo wesizukulwana sobushushu, njenge "thermal conduction highway" ethembekileyo, ekhokela ngokukhawuleza nangokufanelekileyo ukushisa okutshisa kwi-chip kwigobolondo lokutshatyalaliswa kobushushu. Idatha yovavanyo ibonisa ukuba phantsi kweemeko ezifanayo, ubushushu obuphambili beemveliso ezisebenzisa izixhobo eziqhubayo ezishushu eziqulathe umgubo we-alumina zinokuncitshiswa kakhulu ngamaqondo angaphezu kweshumi okanye namashumi xa kuthelekiswa nezinto eziqhelekileyo, ukuqinisekisa ukuba izixhobo zisenokwenza ngokuzolileyo nangokuzinzileyo phantsi kwemveliso yokusebenza enamandla.
ULao Wang wayedla ngokuthi: “Owona ‘mlingo’ wokwenene awukho kumgubo ngokwawo, kodwa kwindlela esiyiqonda ngayo ingxaki size sifumane eyona ngongoma ibalulekileyo enokuphucula ukusebenza.” Ikhono le-alumina powder alidalwanga ngaphandle kwento, kodwa livela kwiimpawu zalo ezibalaseleyo, kwaye lihlanganiswe ngokufanelekileyo kwezinye izinto, ukwenzela ukuba ikwazi ukuthulisa amandla ayo ngexesha elibalulekileyo kwaye iguqule ukubola ibe ngumlingo.
Ezinzulwini zobusuku, uLao Wang wayesafunda iifomyula zemathiriyeli entsha e-ofisini, kwaye ukukhanya kwabonakalisa umzobo wakhe ogxile kuwo. Kwakuthe cwaka ngaphandle kwefestile, kuphelaalumina powder esandleni sakhe wayedanyaza ukubengezela okumhlophe okufiphele phantsi kokukhanya, oku kweenkwenkwezi ezingenakubalwa. Lo mgubo ubonakala uqhelekile unikwe imisebenzi eyahlukeneyo ngobusuku obufanayo obungenakubaleka, ukudibanisa ngokuthe cwaka kwizinto ezahlukeneyo, ukuxhasa imigangatho eqinile kwaye ekwazi ukunxiba, iqinisekisa ukusebenza kwexesha elide kunye nokuzola kwezixhobo ze-elektroniki ezichanekileyo, kunye nokugada ukuthembeka kwamacandelo akhethekileyo kwindawo enzima kakhulu. Ixabiso lenzululwazi yemathiriyeli ilele kwindlela yokucofa amandla ezinto eziqhelekileyo kwaye uzenze zibe yi-fulcrum ephambili yokuqhawula imiqobo kunye nokuphucula ukusebenza kakuhle.
Ngexesha elizayo xa ujongana nomqobo ekusebenzeni kwezinto, zibuze: Ngaba unalo iqhekeza "lomgubo we-alumina" elilinde ngokuzolileyo ukuvuswa ukuze lidale loo mzuzu ubalulekileyo womlingo? Cinga ngako oku, ngaba oku kuyinyaniso?