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Cov Phaj Lim Ceramic Kub Siab (Al₂O₃/SiC/ZrO₂) rau Kev Lim Hlau Molten Zoo hauv Foundry
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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Ceramic Ua Npuas Ncauj Lim Zirconia 70 * 22mm 60 * 15mm 60 * 20mm rau Hlau thiab Alloys Casting
Cov lim dej ua los ntawm zirconia ua npuas ncauj yog ua los ntawm cov zirconia zoo thiab huv si, siv cov mis tshwj xeeb thiab cov thev naus laus zis tiv thaiv ib puag ncig zoo heev. Nws muaj cov qauv sib xws peb-seem, lub zog siab, cov qauv ruaj khov, tsis muaj slag poob, tiv taus kub siab, thiab tiv taus thermal shock thiab lwm yam kev ua tau zoo heev. Haum rau kev ntxuav thiab lim cov hlau tsis xeb, hlau carbon, tooj liab castings thiab lwm yam kev daws teeb meem kub siab hauv qab 1700C. Nws tuaj yeem lim cov slag inclusions thiab slags me me li micrometers, ua rau qhov chaw ntawm cov hlau castings du thiab txo qhov poob machining; lub lim tuaj yeem ua rau cov hlau molten puv qhov khoob ntau dua, thiab cov hlau molten muaj turbulence siab dua thaum lub sijhawm nchuav, qhov turbulent ntws los ntawm cov qauv pore peb-seem thaum kawg hloov mus rau hauv qhov ruaj khov laminar flow. Laminar flow puv qhov khoob zoo dua, uas txo qhov cuam tshuam corrosion ntawm cov hlau kua rau ntawm qhov khoob casting, thiab txo qhov tsis lees paub, txo cov nqi tsim khoom, thiab txhim kho kev tsim khoom ua haujlwm.
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12 "x12" x2 "Loj Loj Alumina Ceramic Ua Npuas Ncauj Lim Phaj rau Filtration
Qhov Loj (hli) Qhov Loj (nti) Tus nqi nchuav (kg/s) Lub peev xwm lim (tuj) 178*178*50 7*7*2 0.2-0.6 5 228*228*50 9*9*2 0.3-1.0 10 305*305*50 12*12*2 0.8-2.5 15 381*381*50 15*15*2 2.2-4.5 25 430*430*50 17*17*2 3.0-5.5 35 508*508*50 20*20*2 4.0-6.5 45 585*585*50 23*23*2 5.0-8.6 60 Khoom Siv Alumina Xim Dawb Qhov Ceev Nkaus 8-60ppi Porosity 80-90% Refractoriness ≤1200ºC Khoov... -
Refractory Silicon Carbide Sic Phaj Ceramic Ua Npuas Ncauj Lim rau Hlau Hlau Casting
Silicon carbide ua npuas ncauj ceramic lim siv lub teb chaws Yelemees xa tawm polyurethane ua npuas ncauj ua tus nqa khoom, silicon carbide feem ntau nias rau hauv lub npuas ncauj, thiab tom qab ntawd nyem tawm cov slurry, cov slurry nyob ib ncig ntawm cov ua npuas ncauj fiber, tom qab ziab, ci ntawm qhov kub siab, polyurethane thermal decomposition, tawm hauv cov khoom ua npuas ncauj ceramic, uas yog silicon carbide ua npuas ncauj ceramic lim. Lub silicon carbide ua npuas ncauj ceramic lim, nrog rau peb-seem mesh interconnection qauv ntawm ua npuas ncauj, tuaj yeem ua tau ntsib... -
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Kho kom haum 10-60PPI Alumina Ceramic Ua Npuas Ncauj Lim rau Foundry
Qhov Loj (hli) Qhov Loj (nti) Tus nqi nchuav (kg/s) Lub peev xwm lim (tuj) 178*178*50 7*7*2 0.2-0.6 5 228*228*50 9*9*2 0.3-1.0 10 305*305*50 12*12*2 0.8-2.5 15 381*381*50 15*15*2 2.2-4.5 25 430*430*50 17*17*2 3.0-5.5 35 508*508*50 20*20*2 4.0-6.5 45 585*585*50 23*23*2 5.0-8.6 60 Khoom Siv Alumina Xim Dawb Qhov Ceev Nkaus 8-60ppi Porosity 80-90% Refractoriness ≤1200ºC Be... -
Kho kom haum 8-60PPI SIC / Silicon Carbide Ceramic Foam Filter rau Gas filtration thiab Purification
Cov ntxaij lim dej ua los ntawm SiC Ceramic Foam uas muaj ntau qhov loj me hauv cov duab puag ncig: 40x11mm, 40x15mm, 50x15mm, 50x20mm, 60x22mm, 70x22mm, 80x22mm, 90x22mm, 100x22mm, 305x25mm Cov ntxaij lim dej ua los ntawm SiC Ceramic Foam uas muaj ntau qhov loj me hauv cov duab plaub fab: 40x40x11mm, 40x40x15mm, 50x50x22mm, 75x75x22mm, 50x75x22mm, 100x75x22mm, 100x100x22mm, 55x55x15mm, 150x150x22mm ● Tshem tawm cov kua hlau yaj ● Lub kaw lus yooj yim ● Txhim kho cov qauv hlau ntawm cov castings ● Txo qhov tsis sib xws ntawm cov castings ● Txhim kho... -
10-30PPI Zirconia Ceramic Ua Npuas Ncauj Lim rau Casting
Cov lim dej ua los ntawm zirconia ua npuas ncauj yog ua los ntawm cov zirconia zoo thiab huv si, siv cov mis tshwj xeeb thiab cov thev naus laus zis tiv thaiv ib puag ncig zoo heev. Nws muaj cov qauv sib xws peb-seem, lub zog siab, cov qauv ruaj khov, tsis muaj slag poob, tiv taus kub siab, thiab tiv taus thermal shock thiab lwm yam kev ua tau zoo heev. Haum rau kev ntxuav thiab lim cov hlau tsis xeb, hlau carbon, tooj liab castings thiab lwm yam kev daws teeb meem kub siab hauv qab 1700C. Nws tuaj yeem lim cov slag inclusions thiab slags me me li micrometers, ua rau qhov chaw ntawm cov hlau castings du thiab txo qhov poob machining; lub lim tuaj yeem ua rau cov hlau molten puv qhov khoob ntau dua, thiab cov hlau molten muaj turbulence siab dua thaum lub sijhawm nchuav, qhov turbulent ntws los ntawm cov qauv pore peb-seem thaum kawg hloov mus rau hauv qhov ruaj khov laminar flow. Laminar flow puv qhov khoob zoo dua, uas txo qhov cuam tshuam corrosion ntawm cov hlau kua rau ntawm qhov khoob casting, thiab txo qhov tsis lees paub, txo cov nqi tsim khoom, thiab txhim kho kev tsim khoom ua haujlwm.
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Zirconia Ceramic Ua Npuas Ncauj Lim rau Magnesium Oxide Casting Resistance 1700º C Lim Mesh rau Casting
Cov lim dej ua los ntawm zirconia ua npuas ncauj yog ua los ntawm cov zirconia zoo thiab huv si, siv cov mis tshwj xeeb thiab cov thev naus laus zis tiv thaiv ib puag ncig zoo heev. Nws muaj cov qauv sib xws peb-seem, lub zog siab, cov qauv ruaj khov, tsis muaj slag poob, tiv taus kub siab, thiab tiv taus thermal shock thiab lwm yam kev ua tau zoo heev. Haum rau kev ntxuav thiab lim cov hlau tsis xeb, hlau carbon, tooj liab castings thiab lwm yam kev daws teeb meem kub siab hauv qab 1700C. Nws tuaj yeem lim cov slag inclusions thiab slags me me li micrometers, ua rau qhov chaw ntawm cov hlau castings du thiab txo qhov poob machining; lub lim tuaj yeem ua rau cov hlau molten puv qhov khoob ntau dua, thiab cov hlau molten muaj turbulence siab dua thaum lub sijhawm nchuav, qhov turbulent ntws los ntawm cov qauv pore peb-seem thaum kawg hloov mus rau hauv qhov ruaj khov laminar flow. Laminar flow puv qhov khoob zoo dua, uas txo qhov cuam tshuam corrosion ntawm cov hlau kua rau ntawm qhov khoob casting, thiab txo qhov tsis lees paub, txo cov nqi tsim khoom, thiab txhim kho kev tsim khoom ua haujlwm.
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SIC/Silicon carbide Ceramic Foam Filter rau cov hlau tsis muaj ferro alloy molten hlau lim
Cov ntxaij lim dej ua los ntawm silicon carbide ceramic ua npuas ncauj feem ntau yog siv rau kev lim cov hlau cam khwb cia thiab cov hlau tsis yog ferrous. Nrog lawv txoj kev tiv thaiv zoo heev rau kev tawm tsam thiab xeb los ntawm cov kua hlau molten, lawv tuaj yeem tshem tawm cov khoom sib xyaw, txo cov pa roj uas ntes tau los ntawm cov hlau ua kua thiab muab cov dej ntws laminar, thiab tom qab ntawd cov hlau lim tau huv dua. Cov hlau huv dua ua rau cov castings zoo dua, tsawg dua cov khib nyiab, thiab tsawg dua cov qhov tsis zoo, tag nrho cov no pab txhawb rau cov txiaj ntsig hauv qab. Cov ntxaij lim dej ua los ntawm siC ceramic ua npuas ncauj muaj nyob rau hauv txhua qhov ntev thiab tuab sib txawv. Cov porosities feem ntau yog PPI 10, 20 thiab 30; porosities siab dua muaj nyob rau ntawm qhov kev thov. Cov ntxaij lim dej txiav-rau-loj kuj ua tau.
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Alumina Ceramic Ua Npuas Ncauj Lim rau Molten aluminium alloy filtration
Cov lim dej ua los ntawm alumina ua npuas ncauj feem ntau yog siv rau kev lim cov txhuas thiab cov hlau txhuas hauv cov chaw tsim khoom thiab cov tsev cam khwb cia. Nrog lawv cov kev tiv thaiv thermal shock zoo heev thiab kev tiv thaiv corrosion los ntawm cov txhuas yaj, lawv tuaj yeem tshem tawm cov khoom tsis muaj dab tsi, txo cov pa roj uas raug ntes thiab muab cov dej ntws laminar, thiab tom qab ntawd cov hlau lim tau huv dua. Cov hlau huv dua ua rau cov castings zoo dua, tsawg dua cov khib nyiab, thiab tsawg dua cov khoom tsis zoo, tag nrho cov no pab txhawb rau cov nyiaj tau los hauv qab.
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zirconia casting ceramic ua npuas ncauj lim
Cov lim dej ua los ntawm zirconia ua npuas ncauj yog ua los ntawm cov zirconia zoo thiab huv si, siv cov mis tshwj xeeb thiab cov thev naus laus zis tiv thaiv ib puag ncig zoo heev. Nws muaj cov qauv sib xws peb-seem, lub zog siab, cov qauv ruaj khov, tsis muaj slag poob, tiv taus kub siab, thiab tiv taus thermal shock thiab lwm yam kev ua tau zoo heev. Haum rau kev ntxuav thiab lim cov hlau tsis xeb, hlau carbon, tooj liab castings thiab lwm yam kev daws teeb meem kub siab hauv qab 1700C. Nws tuaj yeem lim cov slag inclusions thiab slags me me li micrometers, ua rau qhov chaw ntawm cov hlau castings du thiab txo qhov poob machining; lub lim tuaj yeem ua rau cov hlau molten puv qhov khoob ntau dua, thiab cov hlau molten muaj turbulence siab dua thaum lub sijhawm nchuav, qhov turbulent ntws los ntawm cov qauv pore peb-seem thaum kawg hloov mus rau hauv qhov ruaj khov laminar flow. Laminar flow puv qhov khoob zoo dua, uas txo qhov cuam tshuam corrosion ntawm cov hlau kua rau ntawm qhov khoob casting, thiab txo qhov tsis lees paub, txo cov nqi tsim khoom, thiab txhim kho kev tsim khoom ua haujlwm.
