Lub luag haujlwm ntawm Ferrosilicon Hmoov hauv Hmoov Metallurgy

Hmoov metallurgy, raws li kev tsim khoom siv thev naus laus zis ua ke nrog kev npaj cov khoom siv thiab ua ib feem, yog siv dav hauv cov haujlwm tseem ceeb xws li tsheb, aerospace, tshuab tsim, thiab cov ntaub ntawv hluav taws xob vim nws qhov zoo xws li nyob ze -net- qauv tsim, kev siv cov khoom siv siab, thiab muaj zog adaptability rau cov txheej txheem nyuaj. Hauv cov khoom siv raw ntawm hmoov metallurgy,ferrosilicon hmoov, nrog nws cov yam ntxwv sib xyaw ua ke thiab kev ua haujlwm zoo, tau dhau los ua cov khoom siv tseem ceeb rau kev tswj cov khoom siv thiab ua kom cov txheej txheem ntau lawm.

Ferro silicon hmoov yog cov khoom siv hmoov ua los ntawm ferro silicon alloy los ntawm crushing, sib tsoo, thiab lwm yam txheej txheem. Nws qhov kev ua tau zoo yog ze rau cov ntsuas xws li hmoov loj, cov ntsiab lus silicon (feem ntau muab faib ua70%-75%siab - silicon hom thiab 60% -70% nruab nrab-silicon hom), thiab cov ntsiab lus impurity. FeSi alloy hmoov yoog rau hmoov metallurgy txheej txheem muaj peb yam tseem ceeb uas ua rau lub hauv paus rau nws txoj haujlwm:

- High compositional stability:

Kev tswj xyuas cov ntsiab lus ntawm silicon thiab tsis tshua muaj phosphorus thiab sulfur impurity theem (ua raws li SGS cov qauv ntsuas) kom tsis txhob muaj kev cuam tshuam tsis zoo rau cov khoom siv matrix, ua tau raws li qhov yuav tsum tau ua ntawm precision qhov chaw;

- Kev tswj qhov loj me:

Cov hmoov uas muaj qhov sib txawv ntawm 40 mesh mus rau 300 mesh tuaj yeem npaj tau raws li cov txheej txheem yuav tsum tau ua. Fine-grained hmoov txhim kho molding ceev thiab sintering uniformity, thaum coarse-grained hmoov plays lub luag hauj lwm nyob rau hauv kev tswj nqi thiab kev tswj kev ua tau zoo;

- Kev ua haujlwm zoo heev:

Cov hmoov morphology tsub kom cov cheeb tsam tshwj xeeb, ua kom cov tshuaj reactivity ntawm silicon. Thaum lub sij hawm sintering, nws tuaj yeem hnov ​​​​mob nrog lwm cov ntsiab lus kom ua tiav cov haujlwm xws li deoxidation thiab alloying.

Hauv peb cov txheej txheem tseem ceeb ntawm cov hmoov metallurgy- sib tov, sib sau, thiab sintering-ferrosilicon hmoov ua lub luag haujlwm tseem ceeb thoob plaws. Nws tsis tsuas yog muab kev pabcuam kev ua haujlwm nkaus xwb tab sis kuj ncaj qha txiav txim siab cov khoom siv kho tshuab thiab kev ruaj ntseg ntawm cov khoom kawg. Tshwj xeeb, nws lub luag haujlwm tseem ceeb tuaj yeem muab faib ua tsib lub luag haujlwm tseem ceeb:

1. Siab -Kev Ua Haujlwm Deoxidizer: Qhov Tseem Ceeb rau Kev Txhim Kho Cov Purity ntawm Sintered Lub Cev

Cov hmoov hlau hauv cov hmoov metallurgy raw cov ntaub ntawv (xws li hlau thiab tooj liab hmoov) yog nquag oxidation thaum lub sij hawm cia thiab ua, tsim oxide films. Cov oxides no cuam tshuam rau qhov ntom, lub zog, thiab tawv ntawm lub cev sintered. Silicon nyob rau hauv ferrosilicon hmoov muaj ib tug muaj zog affinity rau oxygen (ntau tshaj qhov affinity ntawm hlau rau oxygen). Nyob rau hauv qhov siab - qhov kub thiab txias sintering ib puag ncig (feem ntau yog 800℃-1200 degree), nws nyiam dua cov pa oxygen hauv cov khoom siv raw thiab cov pa oxygen hauv qhov chaw sintering los tsim cov khoom SiO₂.

Cov tshuaj tiv thaiv no muaj ob qhov zoo:Ua ntej, cov tshuaj tiv thaiv cov khoom SiO₂ muaj qhov ntom ntom, thiab ib feem ntawm nws raug ntiab tawm nrog cov cua sintering, thaum tus so ua ib qho kev nplua, dispersed theem faib nyob rau hauv lub matrix, tsis cuam tshuam lub matrix qhov txuas ntxiv. Qhov thib ob, cov txheej txheem deoxidation yog qhov zoo, txo cov ntsiab lus oxygen hauv lub cev sintered kom qis dua 0.05%, txo qhov tsis xws luag xws li porosity thiab suav nrog. Nyob rau hauv cov hmoov metallurgy zus tau tej cov structural qhov chaw, ntxiv 0.5% -2% ferrosilicon hmoov tuaj yeem ua rau lub zog tensile ntawm lub cev sintered los ntawm 10% -15%.

2. Alloying Elements: Core Auxiliary Materials for Regulating Material Mechanical Properties

Hauv hlau-raws li thiab npib tsib xee-raws li hmoov metallurgy alloy tshuab, ferrosilicon hmoov yog ib qho tseem ceeb alloying additive. Los ntawm kev kho nws cov nyiaj ntxiv, qhov hardness, lub zog, hnav tsis kam, thiab corrosion kuj ntawm cov khoom tuaj yeem tswj tau meej:

- Hlau-raws li hmoov metallurgy:

Ntxiv 1%-3% siab-silicon ferrosilicon hmoov (75% silicon ntsiab lus) tso cai rau silicon tsim Fe₃Si intermetallic compounds nrog hlau. Cov tebchaw no ua kom zoo dua cov nplej loj, txhim kho cov khoom hardness thiab hnav tsis kam, ua rau nws tsim nyog rau kev tsim cov khoom hnav-tiv taus xws li lub zog thiab cov kabmob;

- Tsawg- alloy hmoov metallurgy:

Thaum siv los ua ke nrog manganese hmoov, chromium hmoov, thiab lwm yam, ferrosilicon hmoov tuaj yeem txhim kho cov khoom siv ntxiv dag zog ntawm cov ntsiab lus alloying thaum inhibiting kev tsim ntawm nkig theem, tso cai rau cov khoom kom muaj zog thaum muaj zog toughness, ua rau nws haum rau load- bearing Cheebtsam xws li automotive cav txuas rods;

- Corrosion-resistant alloy npaj:

Qhov sib ntxiv ntawm silicon tuaj yeem tsim cov yeeb yaj kiab silicon oxide tiv thaiv rau ntawm cov khoom siv, txhim kho lub cev sintered tsis kam rau atmospheric corrosion thiab media corrosion, ua rau nws tsim nyog rau kev tsim cov khoom siv sab nraum zoov.

3. Sintering Aids: Qhov tseem ceeb los txo cov txheej txheem kev siv hluav taws xob thiab txhim kho kev ua tau zoo

Sintering yog lub zog tshaj plaws - cov txheej txheem hnyav hauv hmoov metallurgy. Ferrosilicon hmoov tuaj yeem txo sintering zog noj thiab optimize ntau lawm efficiency los ntawm ob lub ntsiab mechanisms: Ua ntej, cov tshuaj tiv thaiv ntawm ferrosilicon hmoov thiab oxides nyob rau hauv cov ntaub ntawv raw yog exothermic, tso cua sov uas pab tsa lub zos kub nyob rau hauv lub cub tawg, txo cov sab nraud cua sov zog noj. Feem ntau, ntxiv 1% ferrosilicon hmoov tuaj yeem txo sintering zog noj los ntawm 5% -8%. Thib ob, silicon tuaj yeem txo qhov kub ntawm sintering ntawm cov hmoov hlau. Piv txwv li, sintering kub ntawm cov hmoov hlau ntshiab yog feem ntau 1150℃-1200 degree, tab sis ntxiv ferrosilicon hmoov tuaj yeem txo nws mus rau 1050℃-1100 degree, tsis tsuas yog txo qis kev siv hluav taws xob tab sis kuj tseem txuas ntxiv kev pab cuam lub neej ntawm sintering rauv.

Tsis tas li ntawd, ferrosilicon hmoov tuaj yeem txhawb cov khoom sib txawv thiab kev sib koom ua ke thaum lub sij hawm sintering, nce qhov ceev ntawm lub cev sintered, txo cov nyiaj ua haujlwm tom ntej, thiab txhim kho kev tsim khoom ntxiv.

4. Conductivity thiab Magnetic Performance Regulators: Kho kom haum rau cov khoom siv xav tau

Hauv cov ntaub ntawv hluav taws xob thiab cov khoom sib nqus, ferrosilicon hmoov yog cov khoom siv tseem ceeb rau kev tswj cov khoom siv hluav taws xob thiab cov khoom sib nqus ntawm cov khoom siv hmoov metallurgy:

- Cov khoom sib nqus:

Hauv cov hlau -silicon soft magnetic hmoov metallurgy cov ntaub ntawv, tus nqi ntawm ferrosilicon hmoov ntxiv ncaj qha txiav txim siab cov khoom permeability thiab hlau poob. Ntxiv 3%-5% ferrosilicon hmoov tuaj yeem txhim kho cov khoom permeability thiab txo cov hlau tsis zoo nyob rau hauv AC magnetic teb, ua rau nws tsim nyog rau kev tsim cov khoom sib nqus xws li transformer cores thiab inductors;

- Cov khoom siv conductivity:

Hauv qee cov khoom siv hmoov hlau metallurgy, ntxiv qhov tsim nyog ntawm cov hmoov zoo -grained ferrosilicon hmoov (ntau tshaj 300 mesh) tuaj yeem txhim kho cov qauv kev sib txuas thiab txhim kho cov khoom siv tiv thaiv arc yaig, ua rau nws haum rau qhov chaw xws li qis -voltage hluav taws xob tiv tauj.

5. Tus nqi tsim nyog: Tus nqi -Kev xaiv zoo sib npaug kev ua tau zoo thiab tus nqi

Piv nrog rau cov khoom muaj txiaj ntsig zoo hlau alloying xws li ntshiab silicon hmoov thiab nickel hmoov, ferrosilicon hmoov muaj tus nqi qis dua, thiab kev txhim kho tseem ceeb tuaj yeem ua tiav nrog me me ntxiv. Hauv kev tsim cov khoom siv zoo tib yam, cov txheej txheem sib xyaw ua ke ntawm "ferrosilicon hmoov + me me ntawm cov hmoov hlau" tuaj yeem txo cov nqi raw khoom los ntawm 15% -20% thaum ua kom ntseeg tau cov qauv kev ua tau zoo. Nyob rau tib lub sijhawm, deoxidizing thiab sintering pab ua haujlwm ntawm ferrosilicon hmoov tuaj yeem txo cov impurity tom qab tshem tawm thiab cov txheej txheem rov ua haujlwm, ntxiv txo tag nrho cov nqi tsim khoom.

Txhawm rau kom siv tag nrho lub luag haujlwm ntawm ferrosilicon hmoov hauv hmoov metallurgy, peb qhov kev ceev faj yuav tsum tau txiav txim siab ua ke nrog cov txheej txheem yuav tsum tau ua:

 Precise Control ntawm Cov Nyiaj Ntxiv:Tsawg dhau ib qho ntxiv yuav ua rau tsis tiav deoxidation thiab tsis txaus alloying nyhuv; siab dhau heev lawm yuav ua rau kom lub brittleness ntawm cov khoom. Feem ntau, qhov sib ntxiv ntawm cov hlau -raws li cov hmoov metallurgy yog tswj ntawm 0.5% -3%, thiab cov nyiaj tshwj xeeb yuav tsum tau muab xam raws li kev ua tau zoo ntawm cov khoom thiab cov khoom siv raw;

 Matching Size thiab Mixing Uniformity:Fine-grained ferrosilicon hmoov (tshaj 100 mesh) yog haum rau precision qhov chaw thiab yuav tsum tau ib tug siab - sib tov ceev kom ntseeg tau tias uniform dispersion; coarse-grained ferrosilicon hmoov yog tsim rau cov khoom siv thiab tuaj yeem siv nrog lub nruas tov khoom kom txo tau cov nqi. Lub sij hawm sib xyaw yog pom zoo kom tswj tsis pub dhau 20-40 feeb kom tsis txhob sib tov ntau dhau thiab hmoov oxidation.

 Adapting sintering txheej txheem tsis:Kho lub sintering kub thiab tuav lub sij hawm raws li tus nqi ntawm ferrosilicon hmoov ntxiv. Rau qhov ntau ntxiv, qhov kub ntawm sintering tuaj yeem raug txo kom tsim nyog thiab lub sij hawm tuav txuas ntxiv kom paub meej txaus cov tshuaj tiv thaiv thiab tsis txhob coarse nplej.

Henan Aon Hlau thiab Khoom Co., Limited tau koom tes nrogferrosiliconkhoom rau 15 xyoo, thiab tau customized ferrosilicon hmoov khoom rau hmoov metallurgy daim ntaub ntawv. Cov khoom no muaj peb yam tseem ceeb: Ua ntej, meej thiab tswj tau muaj pes tsawg leeg, nrog cov ntsiab lus silicon customizable los ntawm 70% mus rau 75%, thiab phosphorus thiab sulfur impurity cov ntsiab lus tsawg dua los yog sib npaug rau 0.04%, tau ntawv pov thawj los ntawm SGS thib peb- tog kuaj; Thib ob, kev faib loj me me, muab ntau yam tshwj xeeb xws li 40 mesh, 80 mesh, 100 mesh, 200 mesh, thiab 300 mesh, nrog rau qhov loj me me sib txawv ntawm qhov sib txawv tsawg dua lossis sib npaug li 5%. AON METALS yuav txuas ntxiv txhawb kev lag luam hmoov metallurgy nrog siab -cov khoom zoo fei hmoov, pab cov tuam txhab txhim kho lawv cov kev sib tw tseem ceeb.