Silicon Carbide Porous Foam Honeycomb Ceramic Lim
Ua npuas ncauj ceramic lim cov khoom yog cov khoom siv ceramic nrog ua npuas dej zoo li cov qauv ua los ntawm cov txheej txheem tshwj xeeb. Lawv muaj ntau yam zoo xws li cov khoom siv tshuaj ruaj khov, lub zog siab, siab kub tsis kam, zoo thermal shock tsis kam, thiab qhov loj ntawm qhov chaw. Lawv tau siv dav. Hauv metallurgy, casting, kev tiv thaiv ib puag ncig thiab lwm yam kev lag luam.
| Qauv | TAM SIM NO | BHS-1 | BHS-2 |
| Khoom siv | Alumina (Al2O3) | Silicon Carbide (SiC) | Silicon Carbide (SiC) |
| Haum rau lim molten hlau hom | Aluminium alloy | Copper alloy, grey hlau casting | Hlau Casting |
| Ua haujlwm kub (℃) | 1200 | 1500 | 1550 |
| Perforation ceev (ppi) | 10～40 | 8-25 | 8-25 |
| Hlau pom ib chav tsev ntim (kg / cm2) | 1-1.5 ib | 3 x5 | 3 x5 |
| qhib cell ratio (%) | 80-90 | 80-90 | 80-90 |
| Compressive zog ntawm chav tsev kub (MPa) | ≥0.8 | ≥1.0 | ≥1.2 |
| Qhov ceev (g / cm3) | 0.35 ~ 0.5 hli | 0.35 ~ 0.5 hli | 0.35 ~ 0.5 hli |
Nta:
1. Txo qhov tsis kam lees ntawm castings thiab txo cov porosity tsis xws luag
2, muaj kev lim dej tseem ceeb heev
3. Txhim kho cov cuab yeej muaj peev xwm ntawm castings
4. Simplify lub rooj vag system thiab txhim kho tus nqi siv ntawm tus qauv
5. Muaj cov hlau ntws loj, thiab tus nqi ntws tau ruaj khov
6. Kev ua haujlwm siab dua ntawm qhov kub thiab txias, thermal shock kuj thiab hlau ntws cuam tshuam tsis kam
7. Txo lub sij hawm machining thiab cov cuab yeej puas
8. Muaj qhov raug siab heev.
Daim ntawv thov:
1. Muab tso rau hauv lub khob ncuav los yog hauv qab ntawm lub sprue
2. Nws tau muab tso rau hauv kab rov tav ntawm tus neeg khiav dej num, kom cov hlau molten tuaj yeem ua kom zoo, tsis txhob cuam tshuam ncaj qha rau ntawm lub lim los yog muab tso rau hauv vertically ntawm tus khiav. Tus nqi ntws ntawm cov hlau molten yog ceev thiab nws muaj peev xwm sau tau zoo.
3. Qhov luaj li cas ntawm lub lim yuav tsum tau txiav txim siab raws li cov yam ntxwv xws li kev ua qauv thiab smelting thiab cov yam ntxwv ntawm lub lim nws tus kheej.
4. Lub taub hau casting yuav tsum tau tswj kom ntau li ntau tau kom txo tau qhov cuam tshuam ntawm cov hlau molten ntawm lub lim
5. Lub lim yuav tsum tsis txhob siv tshaj qhov kub thiab txias
6. Tsis txhob siv cov ntxaij lim dej los tswj kev nrawm nrawm
Xaiv lim loj thiab mesh loj:
1. Xav txog qhov huv ntawm cov hlau molten thiab qhov kub ntawm qhov pouring
2. Xav txog lub taub hau ntawm lub taub hau thiab xam cov dej ntws tswj kom tau raws li qhov yuav tsum tau ua ntawm lub sij hawm pouring
3. Sim siv qhov qhib qhov rooj kom tsis txhob muaj cua nkag
4. Xam thiab xaiv qhov chaw lim raws li lub peev xwm lim dej thiab lub sijhawm nchuav. Lub peev xwm lim dej ntawm silicon carbide ua npuas ncauj ceramic ntawv (Kg / cm2): Grey hlau: 4.0 Ductile hlau: 2.0 Alloy cam khwb cia hlau: 1.0-2.0
5. General grey hlau siv 20ppi, ductile hlau siv 10ppi. 15 lossis 25ppi kuj tuaj yeem xaiv tau, thiab kev xaiv mesh muaj feem xyuam rau ntau yam hauv qhov dej tiag tiag.
Cov khoom lag luam ntsig txog
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