Mgbe ihe atụ nkeseramiiki silicon carbide nwere oghereA hụrụ ya na mbụ n'ụlọ nyocha, ihe owuwu ndị dị ka mmanụ aṅụ dị n'okpuru igwe elektrọn dị ka ebe a na-azụ anụ ehi nke e buliri elu ugboro nde. Ihe a pụrụ iche nke nwere porosity nke 15-60% na-esi n'ime ụlọ ọkụ nke injin ụgbọelu na-abanye n'ime ndụ anyị kwa ụbọchị.
N'ime turbine gas dị na 1600℃, ihe ndị nkịtị agbanweela ka ọ bụrụ ígwè gbazere agbaze ogologo oge, mana carbide silicon nke nwere oghere na-eme ka ọ kwụsie ike nke ukwuu. N'afọ gara aga, mgbe ọ gara Shanghai Institute of Ceramics nke Chinese Academy of Sciences, onye nchọpụta gosipụtara nnwale na-adọrọ mmasị: itinye mpempe akwụkwọ silicon carbide nke nwere oghere n'ọkụ oxygen-acetylene (ihe dị ka 3000℃), temometa dị n'azụ gosiri na ọ na-arị elu naanị site na 72℃. Nguzogide okpomọkụ a sitere na nhazi kristal β-SiC na-eme ka ọ bụrụ "ihe agha a na-adịghị ahụ anya" maka sistemụ nchekwa okpomọkụ nke ụgbọ elu. Ọbụna nke ka mma, oghere ndị ahụ dị ka obere anwụrụ ọkụ dị ka ọtụtụ obere anwụrụ ọkụ, na-ebelata arụmọrụ nke ikpo ọkụ site na 40-60% ma e jiri ya tụnyere seramiiki siri ike.
Ikekwe ọbụna ndị ọkà mmụta sayensị atụghị anya na ụdị seramiiki a, nke e mepụtara na mbụ maka gburugburu ebe dị oke njọ, ga-enweta oge opupu ihe ubi nke abụọ n'ọhịa ahụike. Nnyocha ahụike e bipụtara na Journal of Biomaterials na 2024 na-egosi na ihe mkpuchi silicon carbide nwere nhazi oghere gradient (5μm n'elu na 200μm n'ala) nwere ọnụego njikọta ọkpụkpụ nke okpukpu 2.3 karịa nke ihe ndị e tinyere na titanium alloy ọdịnala.
Usoro nke ịkwadebe obere ihe silicon carbide n'onwe ya bụ anwansi kemịkalụ. Site na usoro ihe na-emepụta obere ihe (nke a na-akpọkarị polymethyl methacrylate microspheres) ma ọ bụ usoro mmeghachi omume, ndị injinia ihe nwere ike ijikwa njirimara obere ihe dịka ihe na-esi ísì ụtọ. N'ụzọ na-adọrọ mmasị, patent kachasị ọhụrụ nke 3M Company na United States na-egosi na iji diatomite emegharịrị dị ka ihe nlereanya eke anaghị ebelata naanị ọnụ ahịa mmepụta site na 18%, kamakwa na mberede na-enweta usoro bionic yiri ọkpụkpụ coral. Usoro "ịgbanwe ihe mkpofu ka ọ bụrụ akụ" a kwekọrọ kpọmkwem na amamihe Taoist nke "uru nke ihe na-abaghị uru".
Ngwa
- N'ihe gbasara nchekwa gburugburu ebe obibi:Dịka ihe dị mkpa nke ihe nzacha ihe ndị na-adịghị mkpa nke ụgbọala dizel (DPF), ọ nwere ike ijide 99.7% nke PM2.5
- Mgbanwe Ike:Nkwado elektrọd maka mkpụrụ ndụ mmanụ ọkụ oxide siri ike (SOFC) na-eme ka arụmọrụ mmepụta ike dịkwuo elu ruo 65%
- Ọgwụ bayọlọjik:Ọdịdị oghere nke ihe mkpuchi ọkpụkpụ e biri ebi nke 3D na-akwalite uto mkpụrụ ndụ ma na-eme ka usoro ọgwụgwọ ahụike dị mkpụmkpụ site na 30%
- Mmepụta semiconductor:A gbatịala ndụ nke paadị wafer polishing ruo ugboro atọ, a zụtakwala usoro TSMC nke 3nm n'ọtụtụ.
Oge ozi: Julaị-30-2025