Tuam Tshoj Cov Phaj Lim Ceramic Kub Siab (Al₂O₃ / SiC / ZrO₂) rau Kev Ua Haujlwm Zoo Molten Hlau Filtration hauv Foundry manufacturers thiab cov neeg muag khoom

Cov Phaj Lim Ceramic Kub Siab (Al₂O₃/SiC/ZrO₂) rau Kev Lim Hlau Molten Zoo hauv Foundry

Kev Piav Qhia Luv:

Kev Txheeb Xyuas Txog Cov Lim Ua Npuas Ncauj Ua Los Ntawm Cov Khoom Siv ...

Cov lim dej ua los ntawm cov khoom siv ua npuas ncauj yog cov khoom tseem ceeb hauv kev ua cov hlau niaj hnub no, siv los txhim kho qhov huv ntawm cov hlau uas yaj thiab txhim kho qhov zoo ntawm cov hlau. Cov lim dej no feem ntau tshem tawm cov khoom tsis yog hlau xws li oxides, slag, thiab cov xuab zeb los ntawm kev sib xyaw ua ke ntawm kev lim dej tob, kev nqus, thiab kev ruaj khov ntawm cov dej ntws.

Kev Sib Piv ntawm Cov Khoom Tseem Ceeb
Vaj tse	Alumina Ceramic Lim (Al₂O₃)	Silicon Carbide Ceramic Lim (SiC)	Zirconia Ceramic Lim (ZrO₂)
Cov Khoom Tseem Ceeb	Aluminium Oxide (Alumina)	Silicon Carbide	Zirconium Oxide (stabilized nrog Y₂O₃, thiab lwm yam)
Cov txiaj ntsig tseem ceeb	Tus nqi tsim nyog, ntau yam, kev ruaj khov tshuaj lom neeg zoo heev.	Lub zog tshwj xeeb, kev ua tau zoo thermal, kev tiv thaiv thermal poob siab zoo heev.	Kev tiv thaiv kub heev, kev tawv zoo heev, kev tiv thaiv corrosion zoo heev.
Qhov Kub Siab Tshaj Plaws rau Kev Pabcuam	Siab (~1750°C)	Kub heev (~ 1600 ° C hauv huab cua, ruaj khov hauv cov hlau molten nrog SiO₂ txheej)	Kub heev (>2200°C)
Kev Tiv Thaiv Kev Kub Ntxhov	Zoo	Zoo heev (sai sai cua sov dissipation)	Zoo kawg nkaus (kev hloov pauv theem)
Lub Zog Kho Tshuab	Siab	Siab heev (siab hardness & hnav tsis kam)	Siab heev (qhov tawg toughness siab tshaj plaws)
Kev Ruaj Ntseg Tshuaj	Zoo heev nyob rau hauv oxidizing atmospheres; resistant rau ntau yam molten hlau.	Ruaj khov nyob rau hauv oxidizing atmospheres; tej zaum yuav corrode nyob rau hauv muaj zog oxidizers / alkalis.	Zoo heev tsis kam rau cov hlau corrosive / active molten.
Tus nqi ib txwm muaj	Kev lag luam pheej yig	Nruab Nrab mus rau Siab	Qib siab

Cov Lus Qhia Txog Daim Ntawv Thov & Kev Xaiv
1. Cov lim dej Alumina (Al₂O₃)

Kev Tso Chaw: Tus Neeg Ua Haujlwm Txhua Yam - Qhov sib npaug zoo tshaj plaws ntawm kev ua tau zoo thiab tus nqi.

Cov Ntawv Thov Zoo Tshaj Plaws:

Aluminium & Magnesium Alloy Casting (feem ntau, pheej yig).

Kev lim dej hlau cam khwb cia & Cov hlau dav dav.

Tooj liab & zinc alloy casting.

Cov Lus Qhia: Qhov kev xaiv uas tsis yog ferrous thiab txhim khu kev qha rau ntau yam khoom siv uas tsis yog ferrous thiab qee cov khoom siv ferrous uas tus nqi yog qhov yuav tsum xav txog.

2. Cov lim dej Silicon Carbide (SiC)

Kev Tso Chaw: Tus Tiv Thaiv Kev Poob Siab Thermal Shock.

Cov Ntawv Thov Zoo Tshaj Plaws:

Hlau Uas Kub Heev (piv txwv li, hlau ductile, hlau graphite compacted) - tiv taus kev poob siab thermal zoo heev.

Cov castings loj lossis lub sijhawm nchuav ntev yuav tsum tau ua kom cov lim dej ruaj khov.

Cov ntawv thov uas xav tau lub zog kho tshuab siab heev thiab kev ua haujlwm tsis zoo.

Kev Xaus Lus: Qhov kev xaiv zoo tshaj plaws rau kev ua cov hlau ferrous uas xav tau qhov twg thermal shock thiab mechanical stability yog qhov tseem ceeb.

3. Cov lim dej Zirconia (ZrO₂)

Kev Tso Chaw: Tus Kws Tshwj Xeeb Tshwj Xeeb rau Cov Xwm Txheej Hnyav.

Cov Ntawv Thov Zoo Tshaj Plaws:

Cov Khoom Siv Superalloys & Cov Khoom Siv Kub Siab (piv txwv li, nickel-based, cobalt-based).

Cov hlau uas ua rau muaj kev sib kis/hlau sib xyaw (piv txwv li, hlau tsis xeb, hlau uas muaj manganese ntau) kom tsis txhob muaj kev ua qias tuaj.

Titanium alloy yaj (hauv cov txheej txheem tshwj xeeb).

Cov khoom siv castings siab rau aerospace, kev kho mob, lossis kev nqis peev casting qhov twg xav tau qhov huv si kawg.

Kev Nthuav Qhia: Kev daws teeb meem zoo tshaj plaws rau qhov chaw nyuaj tshaj plaws uas muaj qhov kub siab tshaj plaws thiab feem ntau cov hlau uas muaj zog / nquag ua haujlwm.
Kev Txheeb Xyuas & Cov Lus Qhia
Lim Aluminium, Muab Qhov Tseem Ceeb Rau Tus Nqi → Xaiv Alumina.

Lim Hlau Kub Siab, Muab Qhov Tseem Ceeb Rau Kev Ruaj Khov → Xaiv Silicon Carbide.

Kev Lim Cov Hlau Tshwj Xeeb / Cov Hlau Alloys, Muab Qhov Tseem Ceeb Rau Kev Huv Si & Kev Ua Tau Zoo → Xaiv Zirconia.

Lus Cim: Kev xaiv zaum kawg yuav tsum xav txog qhov loj ntawm qhov (piv txwv li, 10 PPI, 20 PPI), qhov loj ntawm cov lim dej, thiab cov kev teeb tsa tshwj xeeb. Kev sab laj nrog tus kws tshaj lij yeej ib txwm pom zoo.

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Cov Khoom Qhia Txog Khoom

Cov Cim Npe Khoom

Kev piav qhia txog khoom

Zirconia Ceramic Foam Filter yog ib qho phosphate-free, high melting point, Nws yog tus cwj pwm los ntawm siab porosity thiab mechanochemical stability thiab zoo heev tsis kam rau thermal shock thiab corrosion los ntawm molten steel, Nws tuaj yeem tshem tawm cov inclusions, txo cov pa roj thiab muab laminar flow thaum molten zirconia ua npuas ncauj filtrated, nws yog machined rau nruj dimensional kam rau siab thaum lub sij hawm ntau lawm, qhov kev sib xyaw ua ke ntawm cov khoom lub cev thiab kev kam rau siab ua rau lawv thawj qhov kev xaiv rau molten steel, alloy steel, thiab stainless hlau, thiab lwm yam.

Cov Kev Ntsuas Kev Txawj

Khoom siv	Zirconia
Xim	Yello
Qhov Ceev ntawm Qhov Ncauj	10-30ppi
Qhov porosity	80-90%
Kev ua kom tsis muaj zog	≤1700ºC
Lub zog khoov	>0.8Mpa
Lub zog nias	1.5Mpa
Qhov hnyav-qhov ntim	0.7-1.0 g/cm3
Kev tiv thaiv thermal poob siab	6 zaug / 1100ºC
Daim Ntawv Thov	Kev sib tsoo hlau thiab kev sib tsoo hlau

Qhov Loj (hli)	Zirconia Ua Npuas Ncauj Lim
Qhov Loj (hli)	Tus Nqi Nchuav (kg)	Peev Xwm Lim (kg)
50 × 50 × 22	3~5	30
50 × 75 × 22	4~6	40
75 × 75 × 22	7~12	60
75 × 100 × 22	8~15	80
100 × 100 × 22	14~20	100
Dia 50 × 22	2~6	18
Dia 80 × 22	6~10	50
Dia 90 × 22	8~16	70

Cov txiaj ntsig

1. Lim cov khoom suav nrog hauv qhov casting, txo cov roj hauv qhov casting, txo qhov degree ntawm turbulence thaum lub sijhawm
qhov kev ntws ntawm cov hlau, txo qhov tsis zoo ntawm qhov chaw hauv qhov casting, thiab txo qhov kev tsis lees txais ntawm qhov casting.

2. Txhim kho qhov fluidity ntawm molten hlau, ua kom muaj peev xwm sau thiab shrinkage peev xwm ntawm casting, txhim kho
qhov tiav ntawm qhov casting, ua rau lub foob ntawm qhov casting nce ntxiv, txhim kho qhov elongation thiab tensile zog, thiab txhim kho qhov zoo ntawm qhov chaw thiab cov khoom siv kho tshuab ntawm qhov casting.

3. Nws muaj lub zog ua haujlwm kub heev, tshuaj lom neeg ruaj khov, thermal shock tsis kam thiab tiv taus cov kua hlau ntws cuam tshuam. Kev ruaj khov tshuaj lom neeg siab ua rau nws tsis cuam tshuam los ntawm acidity thiab alkalinity ntawm cov hlau molten thiab tsis hloov pauv cov tshuaj lom neeg ntawm cov hlau molten. Tsis muaj slag poob lossis tawg hauv kev ua haujlwm, uas ua kom ntseeg tau tias cov hlau molten zoo thiab kev ruaj khov ntawm cov tshuaj lom neeg.

4. Nws muaj cov hlau loj ntws, thiab cov dej ntws ruaj khov (txawv ntawm cov lim dej ceramic ncaj, cov dej ntws maj mam txo qis nrog rau qhov nce ntawm cov khoom tsis huv uas ntes tau). Nws cov nyhuv lim dej yog
siab dua li ntawm lwm cov ntsiab lus lim.

5. Nws muaj qhov tseeb ntawm qhov ntev thiab siv tau rau hauv kab ntau lawm rau kev tso cov lim dej tsis siv neeg.

Cov Haujlwm

1. Siv cov lim hlau ua kom zoo xws li cov slag thiab cov khoom tawg uas tsis zoo rau qib micron kom txo tau qhov poob ntawm cov cuab yeej thaum lub sijhawm ua cov castings.
2. Cov hlau uas muaj molten filling ruaj khov thiab cov qauv ntawm qhov casting yog sib xws, yog li txhim kho cov khoom siv kho tshuab xws li qhov nyuaj ntawm qhov chaw, lub zog tensile thiab kev qaug zog ntawm qhov casting
3. Cov qauv mesh peb-seem muaj qhov zoo ntawm kev kho kom zoo rau cov hlau turbulence, thiab muaj kev tswj hwm zoo rau cov khoom tsis yog hlau thiab cov oxidation theem nrab uas tshwm sim los ntawm kev yaig ntawm cov kab noj hniav.
4. Kev ua kom yooj yim dua ntawm lub qhov rooj thiab kev siv cov qhov rooj zoo dua
5. Qhov chaw ntawm qhov casting yog huv si, txo qhov kev siv tshuab, ua kom lub sijhawm ntxuav luv dua, thiab txhim kho kev xa khoom zoo dua

Daim Ntawv Thov

Siv dav los lim ntau yam hlau castings thiab cov hlau cam khwb cia loj, cov hlau kub siab thiab cov hlau aviation castings, cov ntaub ntawv sib nqus, kev sib txuas ntxiv ntawm cov tooj liab-magnesium alloys thiab kev sib tsoo qis ntawm cov hlau tsis yog ferrous.