Dab tsi yog Standard Silicon Metal Powder Specification? Ua kom tiav Daim Ntawv Qhia Kev Ua Haujlwm
Silicon hlau hmoov (tseem hu ua hlau silicon hmoov lossis silicon hmoov) yog cov khoom siv kho kom zoo nkauj uas tsim los ntawm kev sib tsoo thiab cais cov hlau nplaum - qib silicon. Nws yog dav siv nyob rau hauv metallurgy, refractory systems, hmoov metallurgy, tshuaj synthesis, thiab advanced cov ntaub ntawv industries.
Cov "standard specification" ntawm silicon hlau hmoov tsis yog hais txog ib qho nqi ruaj khov. Hloov chaw, nws yog txhais los ntawm kev sib xyaw ntawm cov tshuaj purity, particle loj tis (mesh los yog micron), impurity txwv, thiab daim ntawv thov - tej yam kev ua tau zoo.
Cov lus qhia no qhia txog kev coj ua thoob ntiaj teb kev lag luam los pab cov engineers thiab pab pawg muag khoom kom nkag siab txog cov qauv siv roj hmab siv thoob plaws kev lag luam loj.
Silicon hlau hmoov yog dab tsi?
Silicon hlau hmoov yog tsim los ntawm crushing thiab sib tsoo siab -purity metallurgical silicon tau los ntawm quartz txo nyob rau hauv hluav taws xob arc rauv. Cov khoom siv tau muab faib ua ntau qhov sib txawv rau kev siv hauv kev lag luam.
Nws qhov kev ua tau zoo yog cuam tshuam los ntawm cov ntsiab lus silicon, qib impurity (Fe, Al, Ca), oxygen cov ntsiab lus, thiab particle loj faib.
| Khoom | Hom Muaj Ntau Yam |
|---|---|
| Cov ntsiab lus Silicon | 98.5% – 99.9%+ |
| Qhov tshwm sim | Grey metallic hmoov |
| Melting Point | 1414 degree |
| Qhov ntom | 2.33 g / cm³ |
Dab tsi yog Cov Qauv Specification ntawm Silicon Hlau Powder?
Tus qauv specification ntawm silicon hlau hmoov feem ntau txhais los ntawm peb qhov tseem ceeb tsis:
- Tshuaj muaj pes tsawg leeg (Si purity thiab impurity txwv)
- Particle loj faib (mesh lossis micron loj)
- Lub cev muaj zog (flowability, bulk ntom, noo noo cov ntsiab lus)
1. Cov qauv tshuaj muaj pes tsawg leeg
| Qib | Si (%) | Fe (%) max | Al (%) max | Ca (%) max | Daim ntawv thov |
|---|---|---|---|---|---|
| 553 | Ntau dua lossis sib npaug rau 98.5 | 0.5 | 0.5 | 0.3 | General metallurgy |
| 441 | Ntau dua lossis sib npaug rau 99.0 | 0.4 | 0.4 | 0.1 | Aluminium alloys |
| 421 | Ntau dua lossis sib npaug rau 99.0 | 0.4 | 0.2 | 0.1 | Kev lag luam tshuaj |
| 3303 | Ntau dua lossis sib npaug rau 99.3 | 0.3 | 0.3 | 0.03 | Silicone ntau lawm |
| 2202 | Ntau dua lossis sib npaug rau 99.5 | 0.2 | 0.2 | 0.02 | Cov tshuaj purity siab |
2. Txheem Particle Loj
Particle loj yog ib qho tseem ceeb tshaj plaws specification tsis ntawm silicon hlau hmoov. Nws yog feem ntau qhia nyob rau hauv mesh loj los yog micron (µm).
| Mesh Loj | Micron (µm) | Standard Application |
|---|---|---|
| 10-40 mesh | 2000–400 µm | Coarse metallurgical siv |
| 40-80 mesh | 400–180 µm | Steelmaking deoxidation |
| 80-120 mesh | 180–125 µm | General metallurgy |
| 120-200 mesh | 125–75 µm | Kev ua tshuaj lom neeg |
| 200-325 mesh | 75–45 µm | Cov khoom siv refractory |
| 325-600 mesh | 45–20 µm | Hmoov metallurgy |
| 600-1000 mesh | 20–10 µm | Advanced ceramics |
Vim li cas Standard Specification Matters?
Silicon hlau hmoov yog cov khoom siv ua haujlwm. Qhov sib txawv me me hauv kev qhia tshwj xeeb tuaj yeem cuam tshuam rau tus cwj pwm ntawm tus txheej txheem thiab kev ua haujlwm ntawm cov khoom kawg.
Reactivity Efficiency
Cov hmoov nplua nuj ua rau thaj chaw saum npoo thiab txhim kho cov tshuaj tiv thaiv ceev hauv deoxidation thiab tshuaj synthesis.
Txheej Txheem Stability
Coarser hmoov txhim kho kev ruaj ntseg cia thiab txo oxidation kev pheej hmoo thaum thauj.
Cov khoom sib xws
Cov qib impurity ruaj khov kom ntseeg tau tias cov khoom zoo sib xws thiab kev coj ua tshuaj lom neeg.
Silicon hlau hmoov siv rau dab tsi?
Silicon hlau hmoov yog dav siv thoob plaws ntau lub lag luam vim nws txo cov khoom thiab thermal stability.
- Steelmaking deoxidizer
- Aluminium alloy ntau lawm
- Silicone thiab silane chemical manufacturing
- Refractory castables thiab ceramic systems
- Hmoov metallurgy Cheebtsam
- Advanced silicon-cov ntaub ntawv raws
Standard Specification vs Application Requirements
| Daim ntawv thov | Pom zoo Specification |
|---|---|
| Steelmaking | 553, 40-120 mesh |
| Aluminium alloy kev lag luam | 441, 80–200 mesh |
| Kev lag luam tshuaj | 421 / 3303 qib, 120–325 mesh |
| Refractories | 200-325 mesh |
| Hmoov metallurgy | 325-600 mesh |
| Advanced ceramics | 600-1000 mesh |
Dab tsi yog Cov Txheej Txheem Tswjhwm Zoo?
Cov neeg yuav khoom lag luam feem ntau ntsuas cov hmoov hlau silicon raws li cov qauv kev yuav khoom thoob ntiaj teb thiab cov kev xav tau hauv QA.
- Tshuaj ntsuam xyuas (ICP, XRF xeem)
- Particle loj faib (laser tsom xam)
- Kev tswj cov pa oxygen
- Kev saib xyuas cov dej noo
- Tej yam ceev sib xws
- Thib peb-cov ntaub ntawv txheeb xyuas (SGS, BV)
Silicon hlau hmoov vs Cov Khoom Zoo sib xws: Specification-Raws li kev sib piv
Hauv kev lag luam, cov hmoov hlau silicon feem ntau tsis meej pem nrog lwm cov khoom siv silicon-raws li. Txawm li cas los xij, cov ntaub ntawv no sib txawv hauv cov tshuaj muaj pes tsawg leeg, kev ua haujlwm, thiab cov qauv tshwj xeeb. Kev nkag siab txog qhov sib txawv no yog qhov tseem ceeb rau kev xaiv cov khoom raug thiab kev ruaj ntseg ntawm cov txheej txheem.
1. Silicon hlau hmoov vs Ferrosilicon hmoov
| Khoom | Silicon hlau hmoov | Ferrosilicon hmoov |
|---|---|---|
| Lub ntsiab lus | Elemental Silicon (Si) | Silicon + Hlau Alloy (FeSi) |
| Cov ntsiab lus Silicon | 98.5% – 99.9%+ | 45% – 75% |
| Cov ntsiab lus hlau | Tsawg heev | Siab (siab) |
| Specification Ua kom pom tseeb | Purity + mesh loj tswj | Tus nqi + alloy piv tswj |
| Kev siv tseem ceeb | High -purity deoxidation, tshuaj lom neeg noj | Steelmaking deoxidation, alloying |
Xaus:Ferrosilicon hmoov yog tus nqi - tsav cov khoom siv hlau, thaum silicon hlau hmoov yog ib qho purity - tsav cov khoom siv.
2. Silicon Hlau Powder vs Silicon Carbide Powder (SiC)
| Khoom | Silicon hlau hmoov | Silicon Carbide hmoov (SiC) |
|---|---|---|
| Chemical Nature | Elemental khoom (Si) | Khoom siv (Si + C) |
| Hom Kev Ua Haujlwm | Txo tus neeg sawv cev / tshuaj lom neeg noj | Abrasive / refractory reinforcement |
| Cov pa roj carbon monoxide | Tsis muaj | Siab |
| Steelmaking Role | Deoxidizer | Carburizer + deoxidizer |
| Kev lag luam loj | Tshuaj, metallurgy, silicon saw | Refractories, abrasives, ceramics |
Xaus:Silicon hlau hmoov yog cov khoom siv raw khoom, thaum silicon carbide yog siab -hardness functional compound siv rau txhua yam thiab thermal reinforcement.
3. Silicon Metal Powder vs Silica Fume (Microsilica)
| Khoom | Silicon hlau hmoov | Silica Fume (SiO₂) |
|---|---|---|
| Daim ntawv tshuaj | Elemental silicon (Si) | Oxidized silicon dioxide (SiO₂) |
| Keeb kwm | Crushed silicon hlau | Los ntawm - khoom ntawm silicon alloy smelting |
| Reactivity | Txo tus cwj pwm | Pozzolanic cov tshuaj tiv thaiv hauv cov cement systems |
| Kev siv thawj zaug | Metallurgy, tshuaj synthesis | Qhob, khoom siv |
Lus Cim Tseem Ceeb:Silicon hlau hmoov thiab silica fume yog cov ntaub ntawv sib txawv. Ib qho yog elemental silicon, lwm qhov yog oxidized silicon dioxide.
4. Silicon Metal Powder vs Silicon Nitride Powder (Si₃N₄)
| Khoom | Silicon hlau hmoov | Silicon Nitride hmoov |
|---|---|---|
| Hom khoom | Raw elemental khoom | Advanced engineering ceramic |
| Thermal Resistance | Siab | Siab heev |
| Mechanical Strength | Nruab nrab | Zoo heev |
| Lub luag haujlwm ntawm kev lag luam | Cov khoom siv ua ntej | Cov khoom siv ceramic kawg |
| Tus Nqi Theem | qis | Siab dua |
Xaus:Silicon hlau hmoov feem ntau yog siv los ua raw khoom ua ntej rau cov khoom siv silicon nitride, thaum silicon nitride yog cov khoom tiav qib siab -cov khoom siv ceramic.
Kev Taw Qhia Kev Xaiv Raws li Specification Sib txawv
| Yuav tsum thov | Khoom siv pom zoo |
|---|---|
| Siab -purity deoxidation (steelmaking) | Silicon hlau hmoov |
| Tsawg- nqi alloy ntau lawm | Ferrosilicon hmoov |
| Abrasive thiab hnav- cov ntaub ntawv tiv taus | Silicon Carbide (SiC) |
| Cement thiab pob zeb pob zeb | Silica Fume |
| Advanced ceramic precursor | Silicon hlau hmoov |
| Ua tiav qib siab -kev ua tau zoo ceramics | Silicon Nitride (Si₃N₄) |
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FAQ Txog Silicon Hlau Powder Specification
Tus txheej txheem silicon ntsiab lus ntawm silicon hlau hmoov yog dab tsi?
Muaj silicon hlau hmoov feem ntau muaj 98.5% mus rau 99.9% silicon nyob ntawm qib.
Dab tsi yog qhov mesh loj tshaj plaws?
200 mesh thiab 325 mesh yog cov kev qhia tshwj xeeb tshaj plaws hauv kev lag luam.
Puas muaj tus qauv thoob ntiaj teb rau silicon hmoov?
Tsis yog. Cov lus qhia tshwj xeeb txawv nyob ntawm daim ntawv thov, tab sis kev muab qhab nia xws li 553, 441, thiab 3303 tau lees paub dav.
Vim li cas particle loj tseem ceeb?
Particle loj txiav txim siab cov tshuaj tiv thaiv ceev, thaj chaw saum npoo, thiab kev coj tus cwj pwm hauv kev lag luam.
Yam tshwj xeeb twg yog qhov zoo tshaj rau cov tshuaj?
421 thiab 3303 qib nrog 120-325 mesh feem ntau yog siv rau hauv kev siv tshuaj lom neeg.
Silicon hmoov puas tuaj yeem kho tau?
Yog lawm. Mesh loj, purity, thiab impurity txwv tuaj yeem hloov kho raws li daim ntawv thov.
Kev kuaj zoo li cas?
Los ntawm kev tshuaj xyuas tshuaj, kev ntsuas particle loj, tswj cov dej noo, thiab thib peb-cov ntaub ntawv tshuaj xyuas tog.
Dab tsi cuam tshuam rau silicon hmoov zoo tshaj plaws?
Qib purity, cov ntsiab lus impurity, particle loj faib, thiab cov ntsiab lus oxygen yog qhov tseem ceeb tshaj plaws.