Silicon carbide seramiiki bụ ihe seramiiki nke nwere silicon carbide (SiC) dị ka ihe bụ isi, nke nwere ike dị elu, oke okpomọkụ na nguzogide corrosion, a na-ejikwa ya na mpaghara mmepụta ihe.
Usoro mmepụta na-agụnye ikpo ọkụ na-ekpo ọkụ, nkwụsịtụ na-enweghị nrụgide, mmeghachi omume mmeghachi omume na ụzọ ndị ọzọ, site na ịchịkwa okpomọkụ nke okpomọkụ (1450-2450 degrees) na ịgbakwunye ihe mgbakwunye (dị ka boron carbide, alumina) iji nweta densification.
Nkọwa ngwaahịa
Ngwaahịa seramiiki sintered silicon carbide nwere njirimara ndị a pụtara ìhè:
Ngwongwo akụrụngwa dị mma: ike siri ike dị oke elu (Mohs scale 9.0-9.5 nso nke diamond), na ike na-ehulata nke 400-600 megapascals, na ịnọgide na-enwe ike dị elu ọbụna na okpomọkụ nke ogo 1600.
Njirimara thermal pụtara ìhè: Nrụpụta ọkụ dị elu ({0}} W/m·K), ọnụọgụ mgbasawanye ọkụ dị ala (ihe dị ka 4.0 × 10^{-6}/K), nwere ike iguzogide okpomọkụ dị elu ruo ogo 1400 - 1600, yana nguzogide siri ike na ujo okpomọkụ (ọdịiche okpomọkụ karịrị ogo 800).
Nkwụsi ike kemịkalụ pụtara ìhè: Na-eguzogide acid na corrosion alkali, na-enwe nguzogide oxidation kachasi ike n'etiti seramiki na-abụghị{{0}oxide, dabara maka gburugburu corrosive na elu{1}okpomọkụ.
Ọdịgidere na ịdịte aka: ịdịte aka karịrị okpukpu iri karịa nke ceramik nkịtị, ọ nwekwara akụrụngwa semiconductor (n'adịghị ka seramiki mkpuchi nkịtị), na-eme ka ọ dabara maka ọnọdụ ọrụ dị oke egwu.
Silicon carbide ceramics, n'ihi isi ike ha dị elu, nguzogide okpomọkụ dị elu, nguzogide corrosion, nrụpụta ọkụ dị elu na nguzogide iyi mara mma, na-arụ ọrụ dị mkpa na mpaghara ụlọ ọrụ dị iche iche. Ngwa ndị bụ isi bụ ndị a:
I. Igwe ọkụ dị elu na ụlọ ọrụ metallurgical
Igwe ọkụ dị elu{0}: Na-arụpụta ọkụ ọkụ, ihe ọkụ ọkụ, ihe ọkụ ọkụ, ihe ndị na-akwado ọkụ, wdg, nwere ike ịrụ ọrụ nke ọma na okpomọkụ karịrị ogo 1600.
Ihe ntughari: A na-eji maka ihe mkpuchi ọkụ gbawara, brik na-atụgharị, na bọọdụ mkpuchi, na-egbochi mbuze site na ọla gbazere ma na-agbatị oge ndụ akụrụngwa.
Mgbaze ọla: Dị ka ndị deoxidizers iji welie ịdị ọcha nchara nchara, ma ọ bụ mee ka ọ bụrụ mgbanaka mgbanaka na-aga n'ihu, tubes nchebe thermocouple, na-eme ka ọ dị mma.
2. Mechanical Manufacturing na Wear Resistance Field
Akara ihe: Mechanical akara mgbanaka eji na chemical nfuli na mmiri nfuli, na corrosion iguzogide ọtụtụ iri ugboro nke nkịtị ọla, budata mma ọrụ ndụ.
Ihe nbibi na ihe eji egbutu: Igwe ọkụ dị elu{{0}, okporo ụzọ ntuziaka, na ngwaọrụ eji egbutu ihe, dabara maka ọnọdụ okpomọkụ dị elu na oke ibu{2}, na-ebelata iyi akụrụngwa.
Yiri ọkpọkọ{0} na-eguzogide ọgwụ: ọkpọkọ njem na-egwupụta akụ, ihe mkpuchi mkpuchi, nwere nguzogide eyi ugboro 5-20 karịa nke nkedo.
3. Semiconductor na Electronic Industry
Ngwá ọrụ semiconductor: diski na-egweri, ihe ndozi maka nhazi wafer, na-eguzogide okpomọkụ dị elu na corrosion kemịkalụ, na-ahụ na nhazi nhazi.
Ihe mgbasa ọkụ: Mgbochi mkpofu ọkụ maka ngwaọrụ ike dị elu{0} (dị ka IGBT, LED), nwere ihe na-ekpo ọkụ nke 270 W/m·K, na-eme ka nrụpụta ọkụ dị mma.
Ngwa eletrọnịkị: Ndị na-ejide ọkụ, voltaji - ndị na-emegide ihe, wdg, ihe ọkụ eletrik na-eji njirimara conductivity ha na-adịghị adị.
4. Chemical na gburugburu ebe nchekwa ogige
Nrụrụ {{0} akụrụngwa na-eguzogide: Valves, reactor linings, ọkpọkọ, nwere ike iguzogide acid siri ike yana ntọala siri ike (dịka 98% sulfuric acid).
Ngwa gburugburu: Ihe nzacha ọkụ anwụrụ ọkụ dị elu- (dị ka mkpofu mkpofu), ihe na-ebu seramiiki mmanụ aṅụ mmanụ aṅụ maka iyuzucha ụgbọala.
Akụkụ ike: Njikọ cell cell, anyanwụ thermal ike absorption heaters, na okpomọkụ na-eguzogide ihe karịrị 1000 degrees.
5. Pụrụ iche na apụta ubi
Ụlọ ọrụ nuklia: tubes na-ekpuchi mmanụ ọkụ nuklia, ihe mkpofu, na-eguzogide ikuku neutron na okpomọkụ dị elu.
Ihe anaghị egbochi mgbọ: ceramik na-enweghị mgbagha mejupụtara site na ọgwụgwọ siri ike, nwere ike siri ike na njupụta dị ala (3.10-3.15 g/cm³).
Industrylọ ọrụ fotovoltaic: akụrụngwa maka ibufe mmiri mmiri polysilicon etching, na-edozi oke iyi na nsogbu corrosion siri ike.
Silicon carbide ceramics na-ebupụta ihe ọhụrụ teknụzụ na ume ọhụrụ (mkpụrụ ndụ mmanụ hydrogen, fotovoltaics), semiconductor, na ngwa ngwụcha{{0} dị elu, yana ihe ndị a kacha amasị maka ọnọdụ dị oke egwu dị ka oke okpomọkụ, corrosion, na akwa akwa.
Ngosipụta ngwaahịa
gịnị mere họrọ anyị
Ngwa nzaghachi ngwa ngwa ngwaahịa nwere ọnụ ahịa dị elu Ngwaahịa nwere arụmọrụ dị elu
gịnị kpatara ịhọrọ ngwaahịa anyị
Ahụmịhe afọ 1. 20 na nkedo nkedo efere, mmesi obi ike, nnyefe n'oge
2. Ngwa igwe na nyocha zuru oke nwere ike inye akụkụ ndị emechara ma zute ihe nyocha nke ndị ahịa
3. O nwere ikike mbubata na mbupụ onwe ya ma nwee ike mbupụ ngwaahịa n'akụkụ niile nke ụwa
Ihe nchịkọta dị ọkụ: mmeghachi omume sintered silicon carbide seramiiki , China mmeghachi omume sintered silicon carbide seramiiki na-emepụta, ndị na-ebu, ụlọ ọrụ
