Al2O3 nanopowders sppherical alpha Alumina maka silicone conductive thermal

N'ihi viscosity ya dị mma, mgbanwe dị mma, arụmọrụ mkpakọ dị mma na ezigbo okpomọkụ, a na-ejikarị silica gel na-eme ka ọ bụrụ ihe na-ekpo ọkụ na-ekpo ọkụ maka ihe ndị IC nke ngwa eletriki dị ka ngwa nkwurịta okwu na kọmputa. ntụ ntụ na-agụnye aluminum nitride, aluminum oxide, zinc oxide, beryllium oxide, silicon oxide, silicon carbide, boron nitride, etc.N'etiti ha, alumina ọ bụghị nanị nwere ezigbo mkpuchi ihe, kamakwa ya thermal conductivity adịghị ala (nkịtị okpomọkụ thermal conductivity). bụ 30W / m · K), na ejirila ya mee ihe na ngwaahịa mkpuchi n'ọhịa nke nnukwu voltaji na ngwa ọkụ UHV.

Alumina ahụ nke nwere conductivity thermal dị elu ga-enwerịrị ogo kristal dị elu na kọmpat.Alfa-phase alumina nwere usoro hexagonal, nke bụ usoro kachasị dị n'etiti ụdị alumina dị iche iche.Nnyocha egosiwo na ọkwa alfa dị elu nke ntụ ntụ alumina, kristal bụ kpamkpam otu kristal na akụkụ okirikiri, na enwere ụfọdụ ụgbọ elu kristal.Mgbe jupụta na silica gel, ụfọdụ akara kọntaktị na elu ga-apụta mgbe ihe ndị ahụ na-ejikọta na ihe ndị ahụ.Kpọtụrụ, ya mere enwere ike imeziwanye conductivity nke silica gel nke ukwuu.