Seramiiki ụfụfụ ahaziri ahazi seramiiki Alumina Igwe ọkụ na-eguzogide ọkụ dị elu
Nkọwa ngwaahịa
Ụfụ seramiiki mere nke porous seramiiki ụfụfụ ahụ, bụ na precursor nke mbụ pores na absorption nke seramiiki slurry dị ka ọkpụkpụ, mgbe ihicha, igba egbe na-aghọ, mwepụ nke atọ akụkụ netwọk Ọdịdị nke organic precursor, mgbe ahụ, nhazi nke ọnụ ọgụgụ dị elu nke oghere oghere (80% ~ 90%). Obere njupụta (0.2 ~ 0.5g/cm3), nnukwu mpaghara elu akọwapụtara, obere mfu nrụgide, yana usoro netwọkụ nke ahụ porous.
Njirimara ngwaahịa
1, ụfụfụ ceramics nwere elu kpọmkwem elu, dị ka a catalyst ụgbọelu nwere ike dịkwuo irè kọntaktị ebe, welie catalytic mmetụta ;.
2, N'ihi na nke okpomọkụ eguzogide, na-abụghị mmetọ, adịghị mfe na-nsi, ala na-eri na ndị ọzọ uru, ọ e ọtụtụ-eji na chemical ụlọ ọrụ na ndị ọzọ ubi obibi nsogbu nke.
A na-eji ya eme ihe n'ọtụtụ ebe na ụlọ ọrụ kemịkalụ iji lụso ikuku ndị na-egbu egbu, ndị na-adịghị mma na ndị ọzọ na-emerụ ahụ.
3, The mechiri emechi ikuku oghere na ụfụfụ ceramik belata exothermic arụmọrụ na convection na okpomọkụ propagation.
Convection, ọ nwere obere conductivity thermal, thermal shock resistance na ndị ọzọ magburu onwe àgwà, bụ ihe magburu onwe okpomọkụ na-eguzogide ihe.
Njirimara anụ ahụ na kemịkalụ
| Ihe onwunwe | Alumina |
| Agba | Ọcha |
| Njupụta pore | 8-60ppi |
| Porosity | 80-90% |
| Refractoriness | ≤1100℃ |
| Na-ehulata Ike | > 0.6Mpa |
| Ike mkpakọ | > 0.8Mpa |
| Olu-arọ | 0.3-0.45g/cm³ |
| Mgbochi ujo okpomọkụ | 6 ugboro / 1100 ℃ |
| Ngwa | Aluminium, Aluminom alloys na ihe ndị ọzọ na-abụghị ígwè |
Nkewa nke Ceramics Foam
Enwere ike ekewa seramiki ụfụfụ n'ụdị abụọ, ya bụ seramiiki mepere emepe (reticulated) yana ihe seramiiki mechiri emechi, dabere na pores nke ọ bụla nwere mgbidi siri ike ma ọ bụ na ha enweghị.
Ngwa nke Ceramics Foam
N'ime ụlọ ọrụ ọla aluminom, ọla kọpa na ihe nkedo alloys ndị ọzọ, enwere ike iji seramiki ụfụfụ dị ka ihe nzacha iji yochaa ntụ ntụ oxidized. Enwere ike iji efere nzacha seramiiki foam na aja na ihe nchara, enwere ike idowe ya larịị ma ọ bụ guzoro ọtọ.








