Alumina seramiiki nwere ezigbo nguzogide corrosion plasma na nguzogide dị elu
Ngwa Ubi nke Alumina Ceramics
Alumina ceramics bụ ụdị ihe seramiiki ziri ezi, anyị nwere ike imeziwanye ngwa ngwa na ịdịte aka nke alumina ceramiki site na ịgbakwunye ntụ ntụ aluminom n'ime ceramics, yana ezigbo conductivity, ike n'ibu na nguzogide okpomọkụ dị elu, bụ otu n'ime ihe ndị a na-ejikarị eme ihe. ceramik.
1. Akụkụ igwe
Uru dị mkpa nke ceramics alumina bụ na ike ịgbagha ya dị oke elu, na ogo nke ịpị ọkụ dị elu karịa ihe ndị ọzọ nke otu ụdị. N'ihe banyere ike siri ike nke Mohs bụ ihe a na-apụghị imeri emeri, uru pụrụ iche, jikọtara ya na nkwụsi ike dị mma nke ukwuu, ya mere a na-ejikarị eme ihe eji eme ihe, seramiiki bearings ... wdg. Ngwá ọrụ seramiiki na valvụ mmepụta ihe bụ nhọrọ kachasị mma ugbu a maka ngwa seramiiki alumina.
2. Chemical ubi
Ngwa alumina nwekwara ọdịnihu sara mbara na ụlọ ọrụ kemịkalụ, ma ọ bụ bọọlụ nkwakọ ngwaahịa kemịkalụ ma ọ bụ mkpuchi na-eguzogide corrosion, ihe inorganic polymer eji eme ihe ga-abụrịrị nnukwu nguzogide okpomọkụ yana ezigbo nkwụsi ike. Alumina ceramics agaghị ejikọta ya n'okpuru ike dị elu na nrụgide dị elu, nwere ike iguzogide mmebi nke ihe ndị na-emepụta ihe na-emepụta ihe na ihe ndị na-emepụta kemịkal, enwere ike iji ya mee ihe ugboro ugboro, na izute ọnọdụ ọrụ kemịkal.
3. Akụkụ eletrọnịkị-ọkụ eletrik
Alumina ceramics na-arụkwa ọrụ dị ịrịba ama na akụkụ eletrọnịkị , na ihe dị iche iche seramiiki, ihe nkiri seramiiki, ceramics transperent na ngwaọrụ mkpuchi enweghị ikewapụ na seramiiki alumina. Na isi eletrọnịkị azụmahịa ubi, transperent ceramics bụ ihe dị mkpa ntụziaka nke ugbu a nnyocha na ngwa nke nkà na ụzụ ọhụrụ, ọ bụghị nanị nwere a elu nso nke ìhè nnyefe, elu thermal conductivity, ala conductivity, eyi iguzogide na usoro nke uru na-ewu ewu karị. .
4. Ịdị ọcha ụlọ
Ngwa nke alumina seramiiki lining brik na microcrystalline wear-eguzogide alumina spherical nkume maka igwe igwe na-ewu ewu nke ukwuu, na ngwa nke alumina seramiiki roller, alumina seramiiki filter tube na dị iche iche alumina na alumina jikọtara ya na ndị ọzọ refractory ihe nwere ike ịhụ ebe niile.
5. Akụkụ ndị ọzọ
Dị iche iche mejupụtara na gbanwetụrụ alumina seramiiki dị ka carbon eriri mesi alumina ceramik, zirconia ike alumina ceramics na ndị ọzọ siri ike alumina seramiki na-ejiwanye na elu-tech ubi; Alumina seramiiki abrasives na pastes polishing dị elu na-arụ ọrụ dị omimi karị na ụlọ ọrụ nhazi igwe na ọla; Tụkwasị na nke ahụ, alumina seramiiki na-egweri ihe na-arụ ọrụ nke ọma na-egweri na nhazi nke akụrụngwa na mkpuchi na ụlọ ọrụ ọgwụ.
Agba | -- | Ivory |
Ọdịnaya nke Aluminom | -- | 99.7 ~ 99.9% |
Njupụta akụkụ | G/Cm3 | 3.92-3.98 |
Vickers ike ike | Kgf/Mm2 | 1735 |
Na-agbaji Tenacity | MPa.M1/2 | 3.51 |
Atọ n'ehulata Nguzogide | MPa | 520 |
Ikike Okpomọkụ akọwapụtara | J/Kg | 0.68 |
Ọnụọgụ mgbasa nke thermal | M2/S | 0,0968 |
Nrụpụta okpomọkụ | ||
26W/MK | ||
Elasticity Modul | GPA | 356 |
Nkezi ọnụọgụ mgbasawanye ọkụ Linear (0-500℃) | 10-6/ ℃ | 6.16-7.5 |
Mmetụta okpomọkụ (25 ℃) | W/(MK) | 35 |
Ike mkpuchi (ọkpụrụkpụ 5mm) | AC-Kv/mm | 10 |