Taw qhia rau cov khoom siv dub silicon thiab lawv daim ntawv thov hauv sandblasting
Dub siliconyog cov khoom siv silicon ua haujlwm nrog cov qauv tshwj xeeb nto, muaj npe rau nws lub teeb pom kev zoo heev thiab qhov tshwj xeeb micro-nano nto morphology. Nyob rau hauv xyoo tas los no, nrog rau kev txhim kho ntawm kev kho qhov chaw raug thiab cov khoom siv kev ua tau zoo hauv high-end manufacturing, dub silicon tau dav siv nyob rau hauv photovoltaics, optoelectronics, semiconductors, kho qhov muag tivthaiv manufacturing thiab lwm yam teb nrog nws zoo heev lub cev thiab tshuaj zog. Nyob rau tib lub sijhawm, cov silicon dub tau maj mam nkag mus rau qhov chaw sandblasting kev lag luam thiab tau dhau los ua hom tshiab ntawm cov khoom siv sandblasting nrog kev ua tau zoo heev.
Ⅰ. Cov yam ntxwv tseem ceeb ntawm silicon dub
Dub silicon yog tsim los ntawm kev kho cov silicon nto los ntawm cov txheej txheem ntawm micro-nano qauv npaj technologies (xws li reactive ion etching, hlau-pab tshuaj etching, laser-induced etching, thiab lwm yam). Nws qhov chaw nthuav tawm lub khob ntom ntom lossis cov qauv columnar, uas tuaj yeem txo qhov pom kev ntawm lub teeb. Lub reflectivity nyob rau hauv pom rau ze-infrared band yuav txawm yuav tsawg tshaj li 1%, yog li nws yog tsaus dub nyob rau hauv tsos.
Dub silicon tsis tsuas yog muaj cov khoom siv kho qhov muag zoo xwb, tab sis kuj muaj qhov zoo ntawm qhov nyuaj siab, siab purity, hnav tsis kam, thiab corrosion kuj. Nws cov qauv particle muaj zog thiab haum rau ntau lub voj voog nyob rau hauv high-speed tej yam kev mob. Nws ua tau zoo dua hauv sandblasting dua li cov tsoos abrasives xws li dawb corundum, xim av corundum, quartz xuab zeb, thiab lwm yam.
Ⅱ. Qhov zoo ntawm silicon dub hauv sandblasting
Sandblasting yog ib txoj kev kho saum npoo uas siv cov xuab zeb nrawm nrawm los cuam tshuam rau saum npoo kom ua tiav kev ntxuav, tshem tawm cov txheej txheej oxide, roughening lossis kho kom zoo nkauj. Raws li kev ua haujlwm siab abrasive, silicon dub muaj qhov zoo ntawm cov xuab zeb blasting:
1. Cov nyhuv zoo thiab zoo ib yam
Cov qauv geometric ntawm cov xim dub silicon hais tsis tu ncua thiab morphology yog qhov ruaj khov. Tom qab txau, nws tuaj yeem tsim cov nyhuv zoo ib yam thiab zoo ib yam matte rau ntawm qhov chaw ntawm lub workpiece. Qhov kev kho mob no yog tshwj xeeb tshaj yog haum rau cov khoom xws li kho qhov muag iav, lens vaj tse, aluminium alloy structural qhov chaw, thiab lwm yam.
2. High hardness thiab cuam tshuam tsis kam
Mohs hardness ntawm silicon dub yog siab li 8.5 los yog siab dua, tus nqi tawg thaum lub sij hawm sandblasting yog tsawg, thiab kev pab cuam lub neej ntev. Piv nrog cov xuab zeb zoo tib yam quartz lossis iav hlaws, dub silicon sandblasting yog qhov ua tau zoo dua thiab muaj zog cuam tshuam, thiab tuaj yeem ua tiav kev sib sib zog nqus thiab roughening hauv lub sijhawm luv luv.
3. High purity thiab kev tiv thaiv ib puag ncig
Lub purity ntawm dub silicon feem ntau yog siab tshaj 99%, thiab nws tsis muaj teeb meem impurities xws li dawb silicon los yog hnyav hlau. Nws muaj cov plua plav tsis tshua muaj pa phem hauv kev cob qhia sandblasting thiab tshwj xeeb tshaj yog siv rau hauv kev lag luam huv huv xws li cov khoom siv hluav taws xob, khoom siv kho mob, thiab ntim khoom semiconductor. Nyob rau tib lub sijhawm, nws cov duab particle ruaj khov, cov hmoov av tsim me me, thiab nws muaj kev nyab xeeb dua rau kev noj qab haus huv ntawm cov neeg ua haujlwm.
4. Reusable thiab tus nqi tswj tau
Vim nws cov hardness siab thiab cov qauv ruaj khov, cov silicon dub tseem tuaj yeem tuav cov nyhuv txau zoo tom qab ntau lub voj voog, txo cov khoom poob zoo heev. Hauv cov khoom siv sandblasting loj loj, cov silicon dub qhia tau hais tias kev lag luam zoo dua.
Ⅲ. Tej thaj chaw thov
Dub silicon sandblasting abrasives tau dav siv hauv cov teb hauv qab no:
Precision kho vajtse nto matte kho: xws li high-end mobile xov tooj nruab nrab ncej, phau ntawv plhaub, ntse saib plhaub thiab lwm yam khoom txhuas alloy;
Kho qhov muag iav frosting kev kho mob: siv rau lub lens, lim, optical qhov rais matte thiab kho kom zoo nkauj;
Aerospace thiab tub rog qhov chaw: tshem tawm cov oxide txheej tsis hloov qhov loj los txhim kho cov txheej txheej adhesion;
Electronic pob nto etching: txhim kho kev ntim khoom thiab kev sib txuas adhesion;
Ceramic thiab composite khoom micro-sandblasting: nto roughening kev kho mob los txhim kho kev sib raug zoo zog.
Ⅳ. Cov ntsiab lus
Nrog rau kev txhim kho txuas ntxiv ntawm kev siv tshuab sandblasting thiab kev lag luam kev lag luam txav mus rau qhov siab dua thiab kev tiv thaiv ib puag ncig zoo dua, cov khoom siv sandblasting tsis tuaj yeem ua tau raws li cov kev xav tau ntawm cov txheej txheem siab. Dub silicon, raws li kev ua haujlwm abrasive nrog lub zog siab, tsis tshua muaj kev xav, siab purity thiab kev tiv thaiv ib puag ncig, tau dhau los ua cov khoom tseem ceeb hauv kev lag luam sandblasting. Seb nyob rau hauv precision manufacturing, kho qhov muag matte, los yog nyob rau hauv cov khoom siv hluav taws xob ua, aerospace khoom nto pretreatment thiab lwm yam teb, dub silicon tau qhia dav daim ntawv thov prospects.