Poselin silicon carbide nke a na-esi n'ime ya nwere ike nrụgide dị mma na okpomọkụ gburugburu, iguzogide okpomọkụ na ikuku oxidation, ezigbo nguzogide iyi, ezigbo nguzogide okpomọkụ, obere ọnụọgụ nke mgbasawanye ahịrị, oke nnyefe okpomọkụ dị elu, ike siri ike dị elu, iguzogide okpomọkụ na mbibi, mgbochi ọkụ na njirimara ndị ọzọ dị elu. A na-eji ya nke ọma na ụgbọala, akpaaka igwe, nchedo gburugburu ebe obibi, injinịa ụgbọelu, ọdịnaya ozi ngwaọrụ eletrọnịkị, ike ike na mpaghara ndị ọzọ, aghọọla seramiiki nhazi dị ọnụ ala na nke a na-apụghị ịgbanwe agbanwe n'ọtụtụ ngalaba ụlọ ọrụ mmepụta ihe.
A maara usoro ịgbasa ihe na-enweghị nrụgide dị ka ụzọ ịgbasa ihe na-ekwe nkwa SiC. Maka igwe ịgbasa ihe dị iche iche na-aga n'ihu, enwere ike kewaa ịgbasa ihe na-enweghị nrụgide n'ime usoro ịgbasa ihe siri ike na usoro ịgbasa ihe mmiri dị elu. Site na ịgbakwunye B na C kwesịrị ekwesị (ọkwa oxygen na-erughị 2%) na ntụ Beta SiC dị mma nke ukwuu, a na-agbasa S. Proehazka n'ime ahụ a gbanyere mkpọrọgwụ na SIC nke nwere njupụta karịa 98% na 2020, yana Al2O3 na Y2O3 dị ka ihe mgbakwunye. A na-agbasa ihe na-erughị 0.5m-SiC n'okpuru 1850-1950 (elu ihe dị n'ime ya nwere obere SiO2), nkwubi okwu bụ na njupụta nke porcelain SiC karịrị 95% nke njupụta echiche bụ isi, nha ọka dị obere, nha nkezi dịkwa ukwuu, nke bụ 1.5μm.
Carbide silicon sintering na-emegharị ahụ na-ezo aka na usoro niile nke ịtụgharị akụkụ oghere nke billet nwere usoro mmiri mmiri ma ọ bụ usoro mmiri arụmọrụ dị elu, ime ka mma nke billet dịkwuo mma, ibelata oghere ikuku, na ịkpụcha ngwaahịa emechara site na ike na nha ziri ezi. A na-agwakọta ntụ ntụ Plutonium-sic na graphite dị ọcha n'otu akụkụ ma kpoo ọkụ ruo ihe dị ka 1650 iji mepụta embrayo ntutu. N'otu oge ahụ, ọ na-abanye ma ọ bụ banye n'ime ígwè site na usoro mmiri mmiri Si, na-egosipụta na silicon carbide iji mepụta plutonium-sic, ma na-ejikọta ya na ihe ndị dị adị dị na plutonium-sic. Mgbe Si batara, enwere ike nweta ahụ sintered mmeghachi omume nwere njupụta zuru ezu na nha a na-ekpuchighị ekpuchi. Ma e jiri ya tụnyere ụzọ sintering ndị ọzọ, na usoro nke nnukwu njupụta mmeghachi omume sintering mgbanwe nha sintering dị obere, nwere ike ịmepụta nha ziri ezi nke ngwongwo, mana enwere ọtụtụ SiC na ahụ sintered, njirimara okpomọkụ dị elu nke sintered SiC porcelain ga-aka njọ. Seramiki SiC nke a na-anaghị agbanye n'ọkụ, seramiki SiC nke a na-agba n'ọkụ nke a na-akpọ isostatic na seramiki SiC nke a na-agba n'ọkụ nwere njirimara dị iche iche.
Ndị na-emepụta silikọn carbide sintering reactive: Dịka ọmụmaatụ, siC porcelain na ọkwa nke njupụta calcined na ike ịgbagọ, sintering ọkụ na-agbanye ọkụ na calcination isostatic na-ekpo ọkụ dị ukwuu, sintering reactive sintering SiC dịkwa obere. N'otu oge ahụ, ihe ndị dị na siC porcelain na-agbanwe mgbe mgbanwe nke calcination gbanwere. Sintering na-abụghị nrụgide, sintering ọkụ na mmeghachi omume sintering nke siC porcelain nwere ezigbo nguzogide alkaline na nguzogide acid, mana sintering SiC sintering reactive nwere nguzogide na-adịghị ike na HF na mmebi acid ndị ọzọ siri ike. Mgbe okpomọkụ gburugburu ebe obibi dị obere karịa 900, ike mgbagọ nke ọtụtụ poselin SiC dị elu karịa nke poselin sintered dị elu, ike mgbagọ nke poselin SiC sintered sintered na-ada nke ukwuu mgbe ọ gafere 1400. (Nke a na-akpata mbelata mberede na ike mgbagọ nke ụfọdụ iko Si laminated karịa okpomọkụ ụfọdụ n'ime ahụ calcined. Arụmọrụ okpomọkụ dị elu nke seramiiki SiC sintered na-enweghị nrụgide calcination na n'okpuru nrụgide static na-ekpo ọkụ na-emetụtakarị ụdị ihe mgbakwunye.
Oge ozi: Nọvemba-07-2023