Silicon Carbide Porous Foam incindi lobusi Isihluzo Ceramic
Iimveliso zokucoca i-ceramic ze-foam ziyimveliso ye-ceramic ene-foam-efana nesakhiwo se-porous eyenziwe yinkqubo ekhethekileyo. Baneenzuzo ezininzi ezifana neepropati ezizinzileyo zeekhemikhali, amandla aphezulu, ukumelana nobushushu obuphezulu, ukuxhathisa ukothuka kwe-thermal, kunye nommandla omkhulu ocacileyo. Zisetyenziswa ngokubanzi. Kwi-metallurgy, casting, ukhuseleko lokusingqongileyo kunye nezinye iinkalo.
| Umzekelo | BABE | IBHS-1 | IBHS-2 |
| Izinto eziphathekayo | IAlumina (Al2O3) | I-Silicon Carbide (SiC) | I-Silicon Carbide (SiC) |
| Ifanele ukuhluza iintlobo zentsimbi etyhidiweyo | Aluminiyam ingxubevange | Ingxubevange yobhedu, intsimbi engwevu | I-Ductile Iron Casting |
| Ubushushu bokusebenza (℃) | 1200 | 1500 | 1550 |
| Uxinaniso lwePerforation (ppi) | 10-40 | 8 - 25 | 8 - 25 |
| Uhluzo lwesinyithi ngokwevolumu yeyunithi (kg/cm2) | 1 - 1.5 | 3～5 | 3～5 |
| vula umlinganiselo weseli (%) | 80-90 | 80-90 | 80-90 |
| Amandla acinezelayo kwiqondo lobushushu begumbi (MPa) | ≥0.8 | ≥1.0 | ≥1.2 |
| Ubuninzi bobuninzi (g/cm3) | 0.35 ~ 0.5 | 0.35 ~ 0.5 | 0.35 ~ 0.5 |
Iimbonakalo:
1. Ukunciphisa izinga lokugatywa kwe-castings kunye nokunciphisa iziphene ze-porosity
2, inesiphumo esibalulekileyo sokuhluza
3. Ukuphucula isakhono soomatshini bokuphosa
4. Yenza lula inkqubo yokungena kunye nokuphucula izinga lokusetyenziswa kwethemplethi
5. Unomlinganiselo omkhulu wokuhamba kwetsimbi, kwaye izinga lokuhamba lizinzile
6. Amandla aphezulu okusebenza kwiqondo lokushisa eliphezulu, ukuxhathisa ukutshatyalaliswa kwe-thermal kunye nokuchasana kwempembelelo yentsimbi
7. Ukunciphisa ixesha lomatshini kunye nomonakalo wesixhobo
8. Inomgangatho ophezulu kakhulu wokuchaneka.
Isicelo:
1. Beka kwikomityi yokugalela okanye ezantsi kwe-sprue
2. Ibekwe ngokuthe tye kumgijimi, ukwenzela ukuba isinyithi esityhidiweyo sinokuzaliswa ngokucokisekileyo, sigweme impembelelo ethe ngqo kwisihlunu okanye sibeke ngokuthe nkqo kumgijimi. Isantya sokuhamba kwentsimbi etyhidiweyo ikhawuleza kwaye inekhono lokuzalisa kakuhle.
3. Ubungakanani besihluzo kufuneka bumiselwe ngokwemiba efana nomzekelo kunye nokunyibilikiswa kunye neempawu zesihluzo ngokwaso.
4. Intloko yokuphosa kufuneka ilawulwe kangangoko ukunciphisa ifuthe lesinyithi esinyibilikisiweyo kwisihluzo.
5. Isihluzo akufanele sisetyenziswe ngaphezu kobushushu
6. Kuphephe ukusebenzisa izihluzi ukulawula isantya sokuphosa
Khetha ubungakanani besihluzi kunye nobungakanani bemesh:
1. Qwalasela ukucoceka kwesinyithi esityhidiweyo kunye nokushisa okuthululwayo
2. Cinga ngentloko yentsimbi yokugalela kwaye ubale indawo yokulawula ukuhamba ukuhlangabezana neemfuno zexesha lokugalela
3. Zama ukusebenzisa inkqubo yokungena evulekileyo ukunqanda ukuvalelwa komoya
4. Bala kwaye ukhethe indawo yokucoca ngokomthamo wokucoca kunye neemfuno zexesha lokugalela. Umthamo wokuhluza we-silicon carbide foam ye-ceramic sheet (Kg/cm2): Intsimbi engwevu: 4.0 Intsimbi yentsimbi: 2.0 Ingxubevange yentsimbi: 1.0-2.0
5. Isinyithi esimpunga ngokubanzi sisebenzisa i-20ppi, i-ductile iron isebenzisa i-10ppi. I-15 okanye i-25ppi nayo ingakhethwa, kwaye ukhetho lwe-mesh luhambelana nezinto ezininzi ekuthululeni kwangempela.
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