Igwe mkpuchi agba nwere agba dị arọ, ọdịdị mara mma yana ezigbo nguzogide corrosion.A na-ejikarị ya na ụlọ ọrụ mgbasa ozi, ụlọ ọrụ ihe owuwu, ụlọ ọrụ ngwa ụlọ, ụlọ ọrụ ngwa eletriki, ụlọ ọrụ ngwá ụlọ na ụlọ ọrụ njem.Dị ka ihe dị iche iche eji gburugburu ebe obibi, ọ na-ekewa n'ime atọ ụdị: na-ekpo ọkụ-mikpu galvanized mkpụrụ, na-ekpo ọkụ-mikpu aluminum-zinc mkpụrụ na electro-galvanized mkpụrụ.N'ihi gburugburu ebe dị iche iche, ndụ ọrụ dịtụ iche.Taa, anyị ga-elebakwu anya na ihe ndị na-emetụta ndụ ọrụ nke efere agba agba?
Na ndabere nke galvanizing, a na-edozi eriri mkpuchi na-acha agba na nhicha elu na ihe nkiri ntụgharị kemịkalụ, wee kpuchie ya na primer (na-elekwasị anya na adhesion na mgbochi corrosion) na topcoat (na-elekwasị anya na nguzogide ihu igwe na ịchọ mma), na mkpuchi organic abụọ. .Ihe mgbochi na-echebe nke ọma na-egbochi ịbanye n'ime ụmụ irighiri mmiri na mgbasa ozi na-emebi emebi, ma nwee ike iguzogide mbibi na nbibi nke ìhè eke dị ka ụzarị ultraviolet.Ọkpụrụkpụ nke mkpuchi ahụ ga-erurịrị ihe nkiri a kapịrị ọnụ iji nweta ihe nkiri mkpuchi dị oke, belata mmiri na ikuku oxygen, ma gbochie mmebi nke mkpuchi ahụ.Maka otu ụdị agba ahụ, ọkpụrụkpụ nke agba bụ isi ihe na-emetụta corrosion.
Mgbe ọkpụrụkpụ nke mkpuchi ahụ na-erughị 10μm, nkwụsị nke corrosion na-emekarị enweghị ike iru 500h;na etiti oge nke 10 ~ 20μm, mgbe otu usoro nyocha ahụ gasịrị, ịba ụba nke mkpuchi mkpuchi nwere mmetụta dị ukwuu n'ibelata ọkwa corrosion nke mkpuchi ahụ;n'etiti 20 ~ 26μm N'otu oge ahụ, ọkwa corrosion nke mkpuchi na-abawanye na ọkpụrụkpụ, na mgbanwe ahụ apụtaghị ìhè;na ihe isi ike nchịkwa nke usoro mkpuchi ga-abawanye na mmụba nke oke.Ihe mkpuchi ahụ dị n'elu 26μm na-adịkarị mfe na ihe ndị na-adịghị mma dị ka ịgbatị akụkụ;enwere ike ịhụ ya site na nyocha zuru oke nke ọnụ ahịa na arụmọrụ, 20μm bụ uru dị ala maka inweta ezigbo ihe mgbochi corrosion nke ikuku.
Oge nzipu: Jul-05-2022
