Alumina hmoov: khawv koob hmoov los txhim kho cov khoom ua tau zoo
Nyob rau hauv lub Hoobkas Rhiav, Lao Li tau txhawj xeeb txog ib pawg ntawm cov khoom nyob rau hauv pem hauv ntej ntawm nws: tom qab tua cov batch ntawm no.ceramic substrate, ib txwm muaj cov kab nrib pleb me me rau ntawm qhov chaw, thiab txawm tias qhov kub ntawm qhov cub tau hloov kho li cas, nws muaj qhov cuam tshuam me ntsis. Lao Wang tuaj txog, ntsia ib pliag, thiab nqa ib lub hnab ntawm cov hmoov dawb ntawm tes: "Sim ntxiv qee qhov no, Lao Li, tej zaum nws yuav ua haujlwm." Lao Wang yog tus kws tshaj lij hauv lub hoobkas. Nws tsis tham ntau, tab sis nws ib txwm nyiam xav txog ntau yam khoom tshiab. Lao Li muab lub hnab ib nrab-heartedly, thiab pom tias daim ntawv lo hais tias "alumina hmoov".
Alumina hmoov? Lub npe no suab zoo li qub, ib yam li cov hmoov dawb dawb hauv chav kuaj. Yuav ua li cas thiaj ua tau "cov hmoov khawv koob" uas tuaj yeem daws teeb meem nyuaj? Tab sis Lao Wang tau taw tes rau nws ntseeg siab thiab hais tias: "Tsis txhob kwv yees nws. Nrog nws lub peev xwm, nws tuaj yeem daws tau ntau qhov mob taub hau."
Vim li cas Nplog Liab thiaj qhuas cov hmoov dawb dawb no heev? Qhov laj thawj yog qhov yooj yim-thaum peb tsis tuaj yeem hloov pauv tag nrho lub ntiaj teb cov khoom siv tau yooj yim, peb kuj tseem yuav sim ntxiv qee qhov "magic hmoov" los hloov kev ua haujlwm tseem ceeb. Piv txwv li, thaum tsoos ceramics tsis tawv txaus thiab nws yuav ua rau tawg; hlau tsis resistant rau high-kub oxidation; thiab cov yas muaj cov thermal conductivity tsis zoo, alumina hmoov ntsiag to tshwm thiab dhau los ua "touchstone" los daws cov teeb meem tseem ceeb no.
Lao Wang ib zaug ntsib teeb meem zoo sib xws. Xyoo ntawd, nws yog lub luag haujlwm rau cov khoom siv ceramic tshwj xeeb uas yuav tsum tau ua kom tawv, tawv, thiab tiv taus qhov kub thiab txias.Cov khoom siv ceramicraug rho tawm haujlwm, thiab lub zog txaus, tab sis lawv yuav tawg brittlely ntawm qhov kov, zoo li ib daim iav fragile. Nws tau coj nws pab neeg ua rau muaj kev kub ntxhov ntau hnub thiab hmo ntuj hauv chav kuaj, rov kho cov qauv thiab kev tua hluav taws tom qab qhov cub, tab sis qhov tshwm sim yog tias lub zog tsis tau raws li tus qauv lossis qhov brittleness siab dhau lawm, ib txwm tawm tsam ntawm ntug ntawm fragility.
"Cov hnub ntawd tau mob hlwb heev, thiab kuv poob plaub hau ntau." Lao Wang rov qab los. Thaum kawg, lawv tau sim ntxiv ib feem ntawm high-purity alumina hmoov uas tau raug ua tiav rau hauv cov khoom siv ceramic. Thaum lub qhov cub qhib dua, ib qho txuj ci tseem ceeb tau tshwm sim: cov khoom siv hluav taws xob uas raug rho tawm tshiab ua rau lub suab sib sib zog nqus thiab zoo siab thaum khob. Thaum sim ua txhaum nws nrog quab yuam, nws tiv taus lub zog tenaciously thiab tsis tawg yooj yim - cov alumina hais tau tusyees dispersed nyob rau hauv lub matrix, yog hais tias ib tug invisible khoom network yog woven nyob rau hauv, uas tsis tsuas yog ho txhim kho lub hardness, tab sis kuj ntsiag to absorbed lub zog cuam tshuam, zoo heev txhim kho lub brittleness.
Vim li casalumina hmoovmuaj xws li "magic"? Lao Wang casually kos ib qho me me rau ntawm daim ntawv: "Saib, qhov me me alumina particle no muaj zog heev, piv rau ntuj sapphire, thiab thawj-chav hnav tsis kam." Nws nres, "Qhov tseem ceeb dua, nws tiv taus qhov kub thiab txias, thiab nws cov khoom siv tshuaj muaj zog zoo li Mount Tai. Nws tsis hloov nws qhov xwm txheej hauv hluav taws kub kub, thiab nws tsis yooj yim hneev nws lub taub hau hauv cov kua qaub thiab alkalis. Tsis tas li ntawd, nws kuj yog ib qho khoom siv hluav taws xob zoo, thiab cov cua kub khiav ceev heev hauv nws. "
Thaum cov yam ntxwv zoo li kev ywj pheej no raug nkag mus rau hauv lwm cov ntaub ntawv, nws zoo li tig pob zeb rau hauv kub. Piv txwv li, ntxiv rau ceramics tuaj yeem txhim kho lub zog thiab toughness ntawm ceramics; qhia nws rau cov khoom siv hlau-raws li cov khoom sib xyaw tuaj yeem txhim kho lawv cov hnav tsis kam thiab muaj peev xwm tiv taus qhov kub thiab txias; Txawm tias nws ntxiv rau lub ntiaj teb yas tuaj yeem tso cai rau cov yas kom sai sai ua kom sov.
Hauv kev lag luam electronics,alumina hmoovkuj ua "magic". Niaj hnub no, lub xov tooj high-end lossis lub khoos phis tawj laptop tsis txhawj xeeb txog cov cua sov sab hauv thaum ua haujlwm? Yog tias cov cua sov tsim los ntawm cov khoom siv hluav taws xob tsis tuaj yeem tawg sai sai, kev ua haujlwm yuav qeeb ntawm qhov zoo tshaj plaws, thiab cov nti yuav raug puas tsuaj rau qhov phem tshaj. Cov kws ua haujlwm txawj ntse sau cov thermal conductivity alumina hmoov rau hauv tshwj xeeb thermal conductive silicone lossis engineering plastics. Cov ntaub ntawv uas muaj alumina hmoov yog ua tib zoo txuas mus rau lub hauv paus ntsiab lus ntawm lub tshav kub tiam, zoo li ib tug loyal "thermal conduction highway", uas sai thiab zoo coj lub surges tshav kub ntawm lub nti mus rau lub tshav kub dissipation plhaub. Cov ntaub ntawv ntsuam xyuas qhia tau hais tias nyob rau hauv tib lub sijhawm, qhov kub ntawm cov khoom siv thermal conductive cov ntaub ntawv uas muaj alumina hmoov tuaj yeem txo qis los ntawm ntau tshaj kaum lossis kaum ob degrees piv nrog cov khoom siv, kom ntseeg tau tias cov cuab yeej tseem tuaj yeem ua haujlwm tau zoo thiab ruaj khov nyob rau hauv cov txiaj ntsig kev ua tau zoo.
Lao Wang feem ntau hais tias: "Qhov tiag ' khawv koob' dag tsis yog nyob rau hauv cov hmoov nws tus kheej, tab sis nyob rau hauv yuav ua li cas peb to taub qhov teeb meem thiab nrhiav tau lub ntsiab lus tseem ceeb uas yuav leverage qhov kev ua tau zoo." Lub peev xwm ntawm alumina hmoov tsis yog tsim los ntawm tsis muaj dab tsi, tab sis los ntawm nws tus kheej cov khoom zoo, thiab tsim nyog ua ke rau hauv lwm cov ntaub ntawv, kom nws tuaj yeem ntsiag to siv nws lub zog ntawm lub sijhawm tseem ceeb thiab tig mus rau hauv kev ua khawv koob.
Thaum tsaus ntuj, Lao Wang tseem tab tom kawm cov qauv siv tshiab hauv chaw ua haujlwm, thiab lub teeb pom kev pom nws lub ntsej muag tsom. Nws nyob ntsiag to sab nraum lub qhov rais, tsuas yog tusalumina hmoov nyob rau hauv nws txhais tes yog flashing ib tug faint dawb luster nyob rau hauv lub teeb, zoo li suav tsis tau cov hnub qub me me. Cov hmoov zoo li no tau muab ntau txoj haujlwm sib txawv hauv ntau hmo zoo sib xws, ntsiag to sib koom ua ke rau hauv ntau yam ntaub ntawv, txhawb nqa hnyav dua thiab hnav-tiv taus hauv pem teb, kom ntseeg tau lub sijhawm ntev thiab kev ua haujlwm siab ntawm cov khoom siv hluav taws xob precision, thiab tiv thaiv kev ntseeg tau ntawm cov khoom tshwj xeeb hauv cov cheeb tsam huab cua. Tus nqi ntawm cov ntaub ntawv science nyob rau hauv yuav ua li cas coj mus rhaub lub peev xwm ntawm tej yam zoo tib yam thiab ua rau lawv ib tug tseem ceeb fulcrum rau tawg los ntawm bottlenecks thiab txhim kho efficiency.
Lwm zaus koj ntsib ib qho kev tsis txaus ntseeg ntawm cov khoom siv, nug koj tus kheej: Koj puas muaj ib qho "alumina hmoov" uas nyob ntsiag to tos kom tsaug zog los tsim lub sijhawm tseem ceeb ntawm kev ua khawv koob? Xav txog nws, qhov no puas yog qhov tseeb?