Nkọwapụta:
Koodu | D500C |
Aha | Silicon carbide nanowires |
Usoro | SICNWs |
CAS Mba. | 409-21-2 |
Dayameta & Ogologo | D <500nm L 50-100um |
Ịdị ọcha | 99% |
Ụdị kristal | cubic |
Ọdịdị | agba ntụ ntụ |
ngwugwu | 10g,50g,100g,200g ma ọ bụ dị ka achọrọ |
Ngwa nwere ike ime | Ihe mejupụtara ihe mejupụtara na ihe siri ike, metal matrix na ceramic matrix composites gbasiri ike na nke silicon carbide nanowires ejirila ya mee ihe na igwe, ụlọ ọrụ kemịkalụ, nchekwa mba, ike, nchekwa gburugburu ebe obibi na mpaghara ndị ọzọ. |
Nkọwa:
Njirimara anụ ahụ nke silicon carbide nanowire:
Cubic crystal, nke bụ ụdị kristal yiri diamond.Ọ bụ otu kristal nwere otu akụkụ nwere ike dị elu na ajị agba.Ọ nwere ọtụtụ ihe eji arụ ọrụ nke ọma dị ka ike dị elu na modulus dị elu, nke bụ otu n'ime ihe ndị na-ewusi ike na ike siri ike.
Njirimara kemịkalụ nke silicon carbide nanowires:
Yiri nguzogide, oke okpomọkụ na-eguzogide, nkwụsi ike pụrụ iche, nguzogide corrosion, nguzogide radieshon.
Isi ntuziaka ngwa nke silicon carbide nanowires:
1.SIC nanowires / seramiiki matrix composites: SIC / TIC / WC / ALN / SI3N4 / TIN / AL2O3 / ZRO2 / ZRB2 wdg
2.SIC nanowires / metal matrix composites: AL / TI / NI wdg
3.SIC nanowires / polymer dabeere composites: nylon / resin / roba / plastic wdg
Mgbasa na mgbakwunye ego nke SiC Nanowires:
Ọnụ ego nkesa na mgbakwunye nke SiC Nanowires (maka naanị ntụaka)
Mgbasa mgbasa ozi mgbasa ozi akwadoro: mmiri deionized, mmiri distilled, ethanol anhydrous, ethylene glycol.
Na-atụ aro dispersant: Polyethylene imine (PEI), nonionic polyacry lamide (PAM), sodium pyrophosphate (SPP), twain 80, silicon compound njikọ njikọ, polyethylene glycol, sodium hexametaphosphate, sodium carboxymethyl cellulose (CMC), wdg.
Na nkịtị seramiiki matrix composites, silicon carbide nanowires na-erughị 10wt% na-n'ozuzu kwukwara. N'ime usoro nke kpọmkwem njikarịcha, a na-atụ aro na-amalite site 1wt% na nke nta nke nta nnwale na-ebuli.Dị ka omume nnwale ahụ si kwuo, ọnụ ọgụgụ dị elu nke na-agbakwụnye abụghị ihe ka mma, ọ na-ejikọta ya na ihe eji eme ihe, nha ihe, okpomọkụ na-ekpo ọkụ, ihe mgbakwunye ezi uche dị na ya nwere ike nweta mmetụta siri ike kachasị mma.
Mgbe agwakọtachara SiC nanowire slurry na ntụ ntụ seramiiki gbasasịrị, nọgide na-agbasa maka awa 1-12.A na-atụ aro ka a na-agbasa igwe igwe bead ma ọ bụ usoro mkpali.Ụzọ egweri bọọlụ dị mfe ime ka nanowires gbajie.
Ọ bụrụ na ịgwakọta SiC nanowires na matrix ihe adịghị mma, sodium hexametaphosphate nke 1% uka nke SiCNW (ma ọ bụ obere ego nke isopropanol / ethanol) nwere ike ịgbakwunye dị ka onye na-ekesa iji melite otu ngwakọta.
Mgbe a gbasasịrị, akọrọ na akpịrị ịkpọ nkụ kwesịrị ime ozugbo.Wunye slurry n'ime arịa nwere nnukwu ebe iji gbasaa ya dị nro, na ịbawanye ebe ahụ ga-ekpochapụ ma kpoo ngwa ngwa. Ọ dị mkpa ka ịzere delamination nke akụrụngwa n'etiti nanowires na matrix.Okpomọkụ ihicha akwadoro bụ 110-160 ℃.
SEM: