Dab tsi yog qhov kev ntsuas zoo ntawm cov hlau silicon 421?
- Silicon (Si)cov ntsiab lus: feem ntau tsis pub tsawg dua 98.5%, ua kom muaj kev ua haujlwm siab hauv kev lag luam.
- Hlau (Fe)cov ntsiab lus: Nws yuav tsum tau tswj hauv qab no 0.4%, cov ntsiab lus hlau siab dhau lawm yuav cuam tshuam rau cov khoom siv hluav taws xob thiab hluav taws xob conductivity ntawm cov khoom.
- Aluminium (Al)cov ntsiab lus: Qhov yuav tsum tau muaj tsawg dua 0.2%, cov ntsiab lus txhuas siab dhau tuaj yeem txo cov purity ntawm silicon.
- Calcium (Ca)cov ntsiab lus: yuav tsum tsawg dua 0.1%, cov ntsiab lus calcium ntau dhau tuaj yeem ua rau muaj zog ntawm silicon, cuam tshuam rau kev ua thiab siv.
- Qhov tsos:Yuav tsum yog grey lossis silver-grey, tsis muaj qhov pom tseeb oxidation me ntsis lossis cov pa phem rau ntawm qhov chaw, tsis muaj cov kab nrib pleb tseem ceeb hauv cov khoom siv ntau.
- Particle loj:feem ntau yog 10-100 hli ntau, raws li qhov sib txawv ntawm daim ntawv thov scenarios yuav xav tau qhov sib txawv particle loj specifications, particle size uniformity yog ib qho tseem ceeb nrhiav kom tau qhov Performance index.
- Melting point:Lub melting point ntawm silicon hlau feem ntau yog hais txog 1410 degree, thiab nws yuav tsum muaj zoo kub kub kuj thiab tshuaj stability.
- Hlau (Fe):Feem ntau cuam tshuam rau cov hluav taws xob conductivity thiab txhua yam khoom ntawm silicon, thiab yuav tsum tau tswj nruj me ntsis hauv qab no 0.4%.
- Aluminium (Al):Cov ntsiab lus txhuas ntau dhau tuaj yeem txo qhov kub tsis kam ntawm silicon, uas yuav tsum tau tswj hauv qab no 0.2%.
- Calcium (Ca):yooj yim ua rau nce brittleness ntawm cov khoom, yuav tsum tsawg dua 0.1%.
- Tshuaj ntsuam xyuas:Kev siv cov txheej txheem tsom xam spectral (xws li X-ray fluorescence spectroscopy, XRF) los yog tshuaj titration los txiav txim seb cov ntsiab lus ntawm silicon thiab impurity ntsiab.
- Particle loj tsom xam:Txoj kev sieving yog siv los txheeb xyuas qhov particle loj faib kom ntseeg tau tias nws ua tau raws li cov neeg siv khoom xav tau.
- Kev kuaj lub cev ua haujlwm:Los ntawm kev soj ntsuam microscopic lossis kev soj ntsuam pom ntawm cov tsos zoo, xyuas seb puas muaj cov kab nrib pleb, oxidation me ntsis thiab lwm yam tsis xws luag.