Silicon hlau yog lub hauv paus ntawm siab - zoo aluminium alloy ntau lawm, ncaj qha cuam tshuam lub alloy lub zog, castability, corrosion kuj, thiab machining kev ua tau zoo. Ntawm cov qib siv dav tshaj plaws hauv kev lag luam -silicon hlau 553, Silicon hlau 441, thiabSilicon hlau 3303-Txhua tus yog txhais los ntawm nws cov ntsiab lus impurity (hlau, aluminium, calcium) thiab silicon purity, uas hais tias lawv tsim nyog rau kev siv aluminium alloy sib txawv. Rau aluminium manufacturers, foundries, thiab procurement cov tub txawg, xaiv qhov tseeb silicon hlau qib yog ib qho tseem ceeb rau kev ntsuas tus nqi ntau lawm, khoom zoo, thiab cov txheej txheem stability.
Nkag siab txog Silicon Hlau Qib Nomenclature: Tus lej txhais li cas
Ua ntej, nws yog ib qho tseem ceeb rau kev txiav txim siab seb cov qib silicon hlau muaj npe li cas - qhov kev naming no ncaj qha qhia txog lawv cov impurity muaj pes tsawg leeg, qhov tseem ceeb qhov txawv ntawm Silicon553, ilicon441, thiab ilicon3303. Peb (lossis plaub) tus lej hauv qib sawv cev rau cov ntsiab lus siab tshaj plaws (hauv kaum ntawm ib feem pua, %) ntawm peb qhov tseem ceeb impurities, nyob rau hauv kev txiav txim ntawm hlau (Fe), txhuas (Al), thiab calcium (Ca).
Piv txwv li:
Qib "553" txhais tau tias siab tshaj 0.5% Fe, 0.5% Al, thiab 0.3% Ca.
Qib "441" txhais tau tias siab tshaj 0.4% Fe, 0.4% Al, thiab 0.1% Ca.
Qib "3303" txhais tau tias siab tshaj 0.3% Fe, 0.3% Al, thiab 0.03% Ca (tus "0" ua qhov chaw rau qhov tseeb, ua kom pom tseeb ntawm cov ntsiab lus calcium).
Tag nrho peb qib muaj qhov tsawg kawg nkaus silicon purity ntawm 98.5% los yog siab dua, nrog impurities yog tus thawj tsav tsheb ntawm kev ua tau zoo sib txawv ntawm txhuas alloy ntau lawm. Qhov tseem ceeb, qis impurity feem ntau txhais tau tias cov nqi tsim khoom ntau dua -tab sis kuj zoo dua alloy zoo thiab cov txheej txheem sib xws rau cov ntawv thov.
Core Specifications: Chemical Composition ntawm 553, 441, thiab 3303
Cov tshuaj lom neeg muaj pes tsawg leeg ntawm silicon hlau qib tsis yog -kev sib tham rau txhuas alloy ntau lawm, txawm tias cov kab tsis huv tuaj yeem cuam tshuam cov khoom ntawm cov hlau (xws li brittleness los ntawm cov hlau ntau dhau, porosity los ntawm calcium oxides). Hauv qab no yog cov ncauj lus kom ntxaws txog cov qauv kev qhia tshwj xeeb rau Si553, Si441, thiab Si3303, ua raws li cov qauv kev lag luam thoob ntiaj teb thiab cov khoom lag luam ntau:
|
Specification |
Silicon hlau 553 |
Silicon hlau 441 |
Silicon hlau 3303 |
Qhov tseem ceeb cuam tshuam rau Aluminium Alloys |
|---|---|---|---|---|
|
Silicon (Si) yam tsawg kawg nkaus |
98.5% |
99.0% |
99.3% |
Si purity siab dua txhim kho alloy lub zog thiab castability; txo impurities uas ua rau tsis xws luag. |
|
Hlau (Fe) siab tshaj plaws |
0.5% |
0.4% |
0.3% |
Cov Fe ntau dhau ua rau ntu ntu ntu (FeAl₃, Fe₂SiAl₈), txo cov hlau ductility thiab machinability. |
|
Aluminium (Al) siab tshaj plaws |
0.5% |
0.4% |
0.3% |
Aluminium impurities tuaj yeem ua rau cov hlau tsis muaj zog tab sis tuaj yeem txo qhov kev tiv thaiv corrosion hauv marine / aerospace daim ntaub ntawv. |
|
Calcium (Ca) siab tshaj |
0.3% |
0.1% |
0.03% |
Ca reacts nrog oxygen los tsim oxides, ua rau porosity hauv castings; qis Ca ua kom cov melting smoother thiab tsawg dua. |
|
Lwm yam impurities (P, S) Ntau tshaj |
0.05% tag nrho |
0.03% tag nrho |
0.02% tag nrho |
Phosphorus (P) thiab sulfur (S) ua rau brittleness; tseem ceeb heev rau siab - kam rau ua aluminium Cheebtsam. |
|
Daim ntawv lub cev |
Lumps (10-50mm), granules (1-10mm) |
Lumps (10-50mm), granules (1-10mm), hmoov |
Lumps (10-50mm), nplua granules, hmoov |
Daim ntawv nyob ntawm txoj kev melting (lumps rau induction furnaces, hmoov rau nruam casting). |
Kev ua tau zoo hauv Aluminium Alloy Production: Yuav Ua Li Cas Txhua Qib Ua
Qhov sib txawv impurity ntawm 553, 441, thiab 3303 txhais tau tias qhov kev ua tau zoo hauv aluminium alloy melting, casting, thiab xov. Hauv qab no yog qib-los ntawm- qib kev tawg ntawm lawv qhov muaj zog, kev txwv, thiab kev siv zoo tagnrho hauv kev tsim cov txhuas alloy:
3.1 Silicon Hlau 553: Tus nqi -Txoj kev zoo rau Standard Aluminium Alloys
Silicon hlau 553 yog cov qib qis tshaj plaws thiab siv dav rau kev tsim cov txhuas alloy, zoo tagnrho rau cov nqi- cov ntawv thov nkag siab qhov kev tswj hwm tsis huv tsis tseem ceeb. Nws qhov sib npaug silicon purity thiab nruab nrab impurity theem ua rau nws ua haujlwm rau cov qauv cam khwb cia thiab wrought aluminium alloys.
3.2 Silicon Hlau 441: Sib npaug zoo rau nruab nrab -Range Siab-Kev Ua Haujlwm Zoo
Silicon hlau 441 yog qib siab tshaj plaws rau cov khoom siv aluminium alloy, sib npaug ntawm tus nqi thiab zoo. Nrog qis impurities tshaj 553 (tshwj xeeb tshaj yog Ca, txo mus rau 0.1%), nws muab cov txheej txheem kev ruaj ntseg zoo dua thiab kev ua haujlwm ntawm cov hlau, ua rau nws qhov kev xaiv zoo tshaj plaws rau feem ntau nruab nrab -ntau qhov siab- kev ua haujlwm.
3.3 Silicon Hlau 3303: Ultra- Tsawg Impurities rau hwm Aluminium Alloys
Silicon hlau 3303 yog qib hwm rau aluminium alloy ntau lawm, tus yam ntxwv los ntawm ultra- qib impurity tsawg (Fe Tsawg dua lossis sib npaug li 0.3%, Al Tsawg dua lossis sib npaug 0.3%, Ca Tsawg dua lossis sib npaug 0.03%) thiab siab silicon purity (Ntau dua lossis sib npaug li 99.3%). Nws yog engineered rau feem ntau xav tau daim ntawv thov uas alloy kev ua tau zoo, precision, thiab durability tsis yog -negotiable.
Phau Ntawv Qhia Kev Xaiv: Yuav Ua Li Cas Xaiv Cov Qib Zoo rau Koj Cov Aluminium Alloy
Kev xaiv ntawm 553, 441, thiab 3303 nyob ntawm peb yam tseem ceeb: daim ntawv thov alloy, kev xav tau zoo, thiab cov nqi tsim khoom. Siv cov lus qhia tswv yim no los ua qhov kev txiav txim siab, ua kom haum rau aluminium alloy ntau lawm xav tau:
4.1 Thaum xaiv Silicon Hlau 553
- Koj daim ntawv thov yog tus nqi -sensitive (piv txwv li, cov khoom siv, cov khoom siv tsim qauv).
- Koj tab tom tsim cov txheej txheem cam khwb cia / wrought aluminium alloys nrog kev ua haujlwm nruab nrab (tsis muaj huab cua ductility lossis corrosion kuj xav tau).
- Koj siv cov khoom siv aluminium thib ob thiab yuav tsum tau kho cov ntsiab lus silicon hauv kev lag luam.
- Piv txwv:Kev tsim cov khoom siv aluminium, cov rooj tog zaum, lossis cov khoom siv hauv tsheb.
4.2 Thaum xaiv Silicon Hlau 441
- Koj xav tau qhov sib npaug ntawm tus nqi thiab qhov zoo (mos
t kev xaiv rau nruab nrab -ntau yam siab-kev ua tau zoo alloys).
- Koj cov alloy yuav tsum tau zoo ductility, machinability, thiab tsawg tsawg casting tsis xws luag (xws li, tsheb cav, precision castings).
- Koj tab tom ua cua sov- kho tau lossis weldable aluminium alloys rau kev lag luam lossis tsheb siv.
- Piv txwv:Kev tsim tsheb lub tog raj kheej taub hau, kis tau tus mob, lossis cov khoom siv hauv hiav txwv (tsis yog- ib puag ncig hnyav).
4.3 Thaum xaiv Silicon Hlau 3303
- Koj daim ntawv thov xav tau ultra-zoo, precision, thiab durability (xws li, aerospace, tub rog, premium automotive).
- Koj tab tom tsim cov alloys rau qhov chaw huab cua (dej ntsev, kub kub, kev nyuaj siab).
- Koj qhov castings yuav tsum tau nyob ze -zoo tag nrho nto zoo thiab xoom tsis xws luag (tsis muaj porosity, tsis muaj inclusions).
-Piv txwv:Manufacturing aircraft structural qhov chaw, sib tw cav Cheebtsam, los yog marine propellers.
Feem ntau yuam kev kom zam thaum xaiv cov qib Silicon hlau
Ntau tus neeg tsim khoom siv aluminium alloy ua qhov yuam kev kim thaum xaiv cov qib silicon hlau. Nov yog cov pitfalls ntau tshaj plaws kom tsis txhob:
- Tshaj -Kev qhia:
Siv 3303 rau cov qauv siv (piv txwv li, cov khoom siv) nkim nyiaj-553 lossis 441 yuav txaus.
- Hauv qab -Specification:
Siv 553 rau siab -kev ua tau zoo alloys (piv txwv li, automotive engines) ua rau muaj qhov tsis xws luag, rov ua dua, thiab nce cov nqi seem (cov nqi seem tuaj yeem nce ntawm 3% mus rau 8% nrog kev xaiv qib tsis raug).
- Tsis quav ntsej qhov piv txwv impurity:
Kev tsom mus rau silicon purity nkaus xwb thiab tsis quav ntsej txog qib Fe, Al, thiab Ca -cov impurities no muaj kev cuam tshuam loj dua rau kev ua haujlwm ntawm cov hlau ntau dua li qhov sib txawv me me hauv cov ntsiab lus silicon.
Silicon hlau qib 553, 441, thiab 3303 txhua tus ua lub luag haujlwm tshwj xeeb hauv aluminium alloy ntau lawm, nrog rau lawv cov qib impurity thiab silicon purity dictating lawv tsim nyog rau kev siv sib txawv. Silicon hlau 553 yog tus nqi - ua haujlwm zoo rau cov qauv alloys; 441 yog ntau yam sib npaug ntawm qhov zoo thiab tus nqi rau nruab nrab -ntau yam siab- kev ua tau zoo alloys; thiab 3303 yog qhov kev xaiv zoo tshaj plaws rau ultra- siab- kam rau ua, cov alloys ruaj khov.
Los ntawm kev nkag siab txog qhov sib txawv ntawm cov tshuaj muaj pes tsawg leeg, kev ua tau zoo, thiab kev siv, aluminium alloy cov neeg tsim khoom tuaj yeem xaiv cov qib zoo kom sib npaug tus nqi, zoo, thiab cov txheej txheem ruaj khov-txo cov nqi seem, txhim kho cov khoom lag luam, thiab kev ua kom zoo dua qub.
