Kev lag luam hom sib txawv ntawm kev txhaj tshuaj pwm kub tswj thiab tuag casting pwm kub tswj

Kev lag luam hom sib txawv ntawm kev txhaj tshuaj pwm kub tswj thiab tuag casting pwm kub tswj

Txhaj pwm kub tswj: Hauv kev txhaj tshuaj molding kev lag luam, kev khiav hauj lwm kub feem ntau kuj qis. Feem ntau, cov dej-hom pwm kub tswj yog siv nrog dej ua qhov nruab nrab. Qhov no tuaj yeem txo qhov kev txhaj tshuaj, txo cov pwm clamping quab yuam, ua kom lub voj voog ntau lawm, txo cov khoom deformation, thiab txhim kho shrinkage.

Tuag-casting pwm kub maub los: Cov duab ntawm cov pwm tuag-casting yog complex, pwm kub faib tsis sib npaug, thiab lub thickness ntawm casting kuj tsis sib xws; ua rau ntau yam teeb meem zoo. Txhawm rau kom ntseeg tau tias qhov zoo ntawm cov casting, pwm thermal teb yuav tsum tau muab faib thiab qhov kub yuav tsum tau tswj nyias. Lub tshuab ua rau nws thaum kawg tuav lub dynamic tshuav nyiaj li cas.

Lub graphene nano cua sov raj tau tso tseg cov cua kub ib txwm siv thiab tig mus rau nano evaporation txoj kev ua kom lub cev cua sov lub cev kub sib npaug thiab ntev heev rau lub sijhawm siv. Lub graphene nano cua sov raj yog ua los ntawm quartz iav rau saum npoo, uas tsis yooj yim rau kev ua raws li teev.

Txoj kev npaj ntawm carbon nanotubes yog tshuaj vapor deposition. Cov txheej txheem tau muab faib ua peb theem tseem ceeb: qhov diffusion ntawm reactive gas rau saum npoo ntawm lub substrate, nqus cov pa reactive nyob rau saum npoo ntawm lub substrate, tshuaj lom neeg cov tshuaj tiv thaiv nyob rau saum npoo ntawm lub substrate los tsim cov khoom deposits thiab lub resulting vapor. theem Cov khoom tawm ntawm qhov chaw ntawm lub substrate. Feem ntau cov tshuaj vapor deposition cov tshuaj tiv thaiv yog: thermal decomposition cov tshuaj tiv thaiv, tshuaj synthesis tshuaj thiab tshuaj lom neeg cov tshuaj tiv thaiv. Feem ntau TiC los yog TiN yog tso los ntawm kev dhau TiCl4, H2, CH4 thiab lwm yam gases rau hauv cov tshuaj tiv thaiv chamber ntawm 850 ~ 1100 degree, thiab tom qab cov tshuaj tiv thaiv, ib txheej yog tsim nyob rau saum npoo ntawm substrate.

Lub graphene nano cua sov raj yog quartz iav nrog ib zaj duab xis nyias txuas rau nws, thiab cov yeeb yaj kiab nyias no yog cov yeeb yaj kiab pob tshab ua los ntawm cov pa roj carbon nanotubes.

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