Nanotechnology nwere ike ime ka ọtụtụ ngwaahịa ọdịnala "megharia".Iji teknụzụ nano-mgbanwe na-emepụta ihe ọdịnala nwere ike imeziwanye ma ọ bụ nweta usoro ọrụ.Nano seramiiki mkpuchi bụ mkpuchi multifunctional mejupụtara mejupụtara ihe seramiiki gbanwere na ihe nano, nke nwere mmetụta mkpuchi ọkụ dị mkpa na nguzogide corrosion dị mma.N'ime ha, mgbakwunye nke ihe nano nwere ọtụtụ njirimara, dị ka ihe mkpuchi dị elu na mgbochi corrosion nke ihe seramiiki, ihe mgbochi na-ehichasị onwe ya, ike, ike siri ike, na-eyi nkwụsi ike, elu okpomọkụ na-eguzogide, ihe antistatic, UV. Nguzogide, mkpuchi okpomọkụ na ọtụtụ ihe ndị ọzọ na-emeziwanye nke ọma.
A na-eji ntụ ntụ seramiiki Nano mee ihe n'ọtụtụ ebe na teknụzụ dị elu dị ka ceramics dị mma, ceramics na-arụ ọrụ, bioceramics na ezigbo kemịkalụ n'ihi ọmarịcha igwe, ngwa anya na eletriki, ma bụrụkwa isi nkuku nke mmepe taa nke ihe teknụzụ dị elu.
Ihe na-esonụ na-ewebata ọtụtụ nano powders eji na seramiki:
1. Nano silicon carbide (SiC) nasilicon carbide ntụ ntụ
Silicon carbide nano powders na whiskers nwere ihe ndị mara mma, dị ka ike dị elu, isi ike, modul na-agbanwe, ịdị arọ dị arọ, nguzogide okpomọkụ, nguzogide corrosion, na nkwụsi ike kemịkalụ.Ngwa nke silicon carbide na seramiiki mejupụtara ihe nwere ike imeziwanye nbibi mbụ nke ceramik, ma melite nguzogide okpomọkụ ya dị elu, enwere ike iji ya dị ka ihe ndị na-emepụta kemịkalụ na-eguzogide okpomọkụ dị elu.
2. Nano silicon nitride (Si3N4)
2.1.Imepụta ngwaọrụ seramiiki nhazi nkenke.
2.2.Ngwọta elu nke ọla na ihe ndị ọzọ.
2.3.A na-eji ya dị ka modifier iji kwalite arụmọrụ nke rọba na-eguzogide ike dị elu.
2.4.Nanopowders dabeere na silicon nwere ike ịkwalite nrụpụta eletrik nke naịlọn na polyester.
2.5.Nano silicon nitride gbanwetụrụ eriri eriri igwe anya.
3. Nano titanium nitride (TiN)
3.1.Nano titanium nitride na karama nkwakọ ngwaahịa PET na ihe nkwakọ ngwaahịa rọba
a.Belata okpomọkụ nke ịkpụzi thermoplastic wee chekwaa ike site na 30%.
b.Ghichaa ìhè edo edo, meziwanye nchapụta na nghọta nke ngwaahịa ahụ.
c.Mee ka okpomọkụ na-agbagọ agbagọ maka njuputa dị mfe.
3.2.Melite arụmọrụ nke plastik injinịa PET.
3.3.A na-eji mkpuchi ikuku na-ekpo ọkụ dị elu mee ihe na ọkụ ọkụ dị elu na kilns maka nchekwa ike na ụlọ ọrụ ndị agha.
3.4.Titanium nitride gbanwetụrụ akwa na-arụ ọrụ.
4. Nano titanium carbide (TiC)
4.1.A na-eji ya eme ihe n'ichepụta ihe ndị na-adịghị eyi uwe, ngwá ọrụ ịkpụ, ihe ọkpụkpụ, ọkpụkpụ ígwè na-agbaze na ọtụtụ ubi ndị ọzọ.
4.2.Ịdị ike nke nano titanium carbide (TiC) dị ka nke diamond artificial, nke na-eme ka ọ dị mma nke ọma na-egweri arụmọrụ, ichikota eziokwu na elu elu.
4.3.Ihe mkpuchi elu igwe.
5. Nano-zirconia/zirconium dioxide (ZrO2)
ZrO2 nano ntụ ntụ bụ ihe dị mkpa akụrụngwa maka nkwadebe nke ceramik pụrụ iche, nke a pụrụ iji kwadebe ihe dị iche iche nke nhazi na arụ ọrụ ceramik.
5.1.Ngbanwe usoro seramiki siri ike
Ngwunye nke ihe seramiiki na-egbochi mmepe ngwa ya, na nano ceramics bụ ụzọ dị oke mkpa iji dozie nsogbu ahụ.Nnwale gosipụtara na seramiki nwere ike sie ike site n'iji usoro tetragonal ZrO2 gaa na usoro monoclinic iji mepụta microcracks na nrụgide fọdụrụnụ.Okpomọkụ mgbanwe nwere ike ịda n'okpuru ụlọ okpomọkụ mgbe ụmụ irighiri ihe ZrO2 nọ na nanoscale.Ya mere, nano ZrO2 nwere ike imeziwanye ike okpomọkụ nke ụlọ na ihe nrụgide siri ike nke ceramik, si otú ahụ na-amụba ike nke ceramik.
5.2.ceramik dị mma
Nano zirconia nwere ike imeziwanye ike okpomọkụ nke ụlọ na ihe nrụgide siri ike nke ceramik, si otú ahụ na-amụba ike nke ceramik.Ngwakọta bioceramic mejupụtara nke nano ZrO2 kwadebere nwere ezigbo ihe eji arụ ọrụ, nkwụsi ike kemịkalụ na biocompatibility, yana ụdị ihe mejupụtara bioceramic nwere nnukwu atụmanya ngwa.
5.3.Refractory
Zirconia nwere ebe mgbaze dị elu, nrụpụta ọkụ dị ala na akụrụngwa kemịkalụ kwụsiri ike, yabụ a na-ejikarị ya eme ihe dị ka ihe mgbagha.The uru nke refractory ihe kwadebere na nano zirconia bụ ihe ịrịba ama, dị ka elu okpomọkụ iguzogide (eji okpomọkụ nwere ike iru 2200 ℃), elu ike, ezigbo thermal mkpuchi arụmọrụ na magburu onwe chemical kwụsie ike, na ọ na-bụ-eji na gburugburu ebe obibi na-arụ ọrụ. okpomọkụ n'elu 2000 ℃.
5.4.Ihe na-eguzogide iyi
Ịgbakwunye 5% nano scale Al2O3 ntụ ntụ na al2O3 ceramics omenala nwere ike imeziwanye ike nke ceramik ma belata okpomọkụ na-ekpo ọkụ.N'ihi na superplasticity nke nano-Al2O3 ntụ ntụ, ọ na-edozi adịghị ike nke obere okpomọkụ brittleness na-amachi ya ngwa nso, n'ihi ya, a na-eji ya na ala okpomọkụ plastic alumina ceramics.Enwere ike tinye ya na ceramik na-arụ ọrụ, ceramik nhazi, ceramik transperent, ceramik textile.
Nano zinc oxide bụ ihe dị mkpa akụrụngwa nke seramiiki kemịkalụ flux, karịsịa na-ewu seramiiki mgbidi na ala tile glaze na ala okpomọkụ ihe magnetik.
A na-eji ya dị ka flux, opacifier, crystallizer, ceramic pigment, wdg.
Nkwadebe nke seramiiki capacitor dielectric ihe
Ceramics mejupụtara Nanocrystalline
Ihe mkpuchi seramiiki iko
Ihe seramiiki siri ike dị elu
9. Nano barium titanate BaTiO3
9.1.multilayer ceramic capacitors (MLCC)
9.2.ceramics Microwave dielectric
9.3.PTC thermistor
9.4.Piezoelectric ceramik
Nanomaterials dị n'elu, gụnyere ma ọnweghị oke na nano silicon carbide powder, silicon carbide whiskers, nano titanium nitride, nano titanium carbide, nano silicon nitride, nano zirconium dioxide, nano magnesium oxide, nano alumina, nano zinc oxide, nano barium titanate, botha. Hongwu Nano dị.Ọ bụrụ na ị ga-achọ inwekwu ozi, biko egbula ịkpọtụrụ anyị ugbu a!
Oge nzipu: Eprel-07-2022