• cpbj

Kedu ihe kpatara eji aluminom kama ọla kọpa maka heatsinks?

Ihe ndị na-ekpo ọkụ nke ụfụfụ ígwè na-agụnye ebe na-agbaze, okpomọkụ a kapịrị ọnụ, ọnụọgụ mgbasawanye thermal, thermal conductivity, thermal diffusivity, thermal radiation and thermal shock resistance, ụfọdụ n'ime ha bụ otu ihe ahụ dị ka ihe matrix, ebe ndị ọzọ metụtara porosity, Pore. ụdị na pore size nwere njikọ chiri anya.
Akụrụngwa nwere ezigbo ọkụ ọkụ na-etinye ọkụ ngwa ngwa ma na-ekpochapụ ọkụ ngwa ngwa. Ọ bụrụ na usoro ụfọdụ chọrọ nnukwu ihe na-ekpo ọkụ ma ọ bụ ikpo ọkụ n'oge a na-eji ya eme ihe, a na-ahọrọ ihe ndị nwere ezigbo okpomọkụ. Dị ka thermal conductivity ogo nke dị ọcha ọla, ọlaọcha, ọla kọpa, aluminum, tungsten, magnesium na ihe ndị ọzọ, mgbe thermal conductivity nke alloys bụ n'ozuzu njọ. Enwere ike ịhụ na ikuku okpomọkụ nke ikpo ọkụ ọla kọpa kacha mma n'etiti ígwè ọrụ mmepụta ihe.

ụfụfụ ọla kọpa

Ya mere, gịnị kpatara na-ejikarị aluminom mee ihe ndị na-ekpo ọkụ kama ọla kọpa?
Ọ bụkwa eziokwu na ọla kọpa na-eduzi okpomọkụ nke ọma n'ihi na ọ nwere ihe nrụpụta okpomọkụ dị elu karịa aluminum. Ma ikike ikpo ọkụ ọkụ nke radiator na-adabere ọ bụghị nanị na conductivity thermal nke ihe onwunwe, kamakwa na mpaghara ikpo ọkụ ọkụ, ọdịdị nke radiator, na ọnọdụ ikuku.
N'agbanyeghị otú obere ike okpomọkụ nke ọla kọpa si dị ntakịrị, ikike okpomọkụ nke ọla kọpa ga-adị ala, okpomọkụ ya na-ebili ngwa ngwa, ọ dịkwa mfe ịgbasa okpomọkụ. Otú ọ dị, njupụta nke ọla kọpa bụ okpukpu 3.3 karịa nke aluminum. Igwe ọkụ ọkụ bụ ngwaahịa nwere nha na enweghị ike ịgbasa ya ruo mgbe ebighị ebi. Mgbe ahụ arọ nke ọla kọpa dị ukwuu maka otu olu.
N'okpuru ọtụtụ ihe, ọnụahịa nke radiators ọla kọpa na-adịkarị karịa 400% karịa nke aluminum radiators, ma n'ihe banyere ọnụahịa, ahịa enweghị ike ịnakwere radiators ọla kọpa nke dị okpukpu anọ.
Ya mere, ọ nwere ihe ọ bụla nwere ike ịnweta ọkụ ọkụ nke ọla kọpa, mana olu na ịdị arọ dị ka aluminom?
Ọla kọpa nwere ụfụfụ nwere ike ịbụ ihe ọhụrụ kwesịrị nlebara anya, nke nwere ọtụtụ oghere ejikọrọ na nke kwụsịrị na-ekesa nke ọma na matriks ọla kọpa. Ọla kọpa foamed nwere ezigbo ọkụ eletrik na ductility, ma nwee ọnụ ahịa nkwadebe dị ala yana ezigbo ọkụ eletrik.


Oge nzipu: Ọktoba 18-2022