BLOG

Okwu mmeghe dị nkenke

A na-etinye ngwaahịa alumini ma ọ bụ aluminom nke anodized na ngwọta electrolyte maka ọgwụgwọ galvanization, na usoro nke ịmepụta ihe nkiri aluminom oxide n'elu site na electrolysis ka a na-akpọ ọgwụgwọ anodized nke aluminum na aluminum alloy.Mgbe anodic oxidation ọgwụgwọ, aluminum elu nwere ike na-emepụta ọtụtụ microns - narị microns nke oxide film.Tụnyere eke oxide film nke aluminum alloy, ya corrosion iguzogide, eyi iguzogide na ịchọ mma na-doro anya na mma na mma.

Ụkpụrụ bacial

Ụkpụrụ nke anodic oxidation nke aluminom bụ ụkpụrụ nke hydroelectrolysis. Mgbe ọkụ eletrik gafere, mmeghachi omume na-esonụ:
Na cathode, a na-ewepụta H2 dị ka ndị a: 2H + + 2e → H2
Na anode, 4OH-4E → 2H2O + O2, oxygen precipitated bụghị nanị molekụla oxygen (O2), kamakwa atomic oxygen (O) na ionic oxygen (O-2), na-egosipụtakarị dị ka molekụla oxygen na mmeghachi omume.
Dị ka anode, aluminom na-eme ka ikuku oxygen na-eme ka ọ bụrụ ihe nkiri Al2O3 na-enweghị mmiri: 2AI + 3[O] = AI2O3 + 1675.7kj Ekwesịrị igosi na ọ bụghị oxygen niile na-emepụta na-emekọ ihe na aluminum, ma ụfọdụ nke ya na-ebuli n'ụdị gas.
Anodic oxidation ka ejirila ọtụtụ ebe na ụlọ ọrụ, dị kaaluminum CNC machining akụkụ.Mgbe anodized, akụkụ aluminom CNC machining nwere ike nweta ọdịdị dị ịtụnanya na ikike antioxidant dị mma.

Enwere ọtụtụ ụzọ isi kpọọ aha dị iche iche, nke enwere ike ịchịkọta dịka ndị a:
Dị ka ụdị ugbu a, ọ nwere ike kewara n'ime kpọmkwem ugbu anodizing, alternating ugbu anodizing, na pulsed ugbu anodizing, nke nwere ike ibelata mmepụta oge iru chọrọ ọkpụrụkpụ, film oyi akwa bụ oké na edo na ok, na corrosion eguzogide. na-emeziwanye nke ọma.
Dị ka electrolyte: sulfuric acid, oxalic acid, chromic acid, ngwakọta acid na organic sulfonic acid ngwọta nke eke agba anodic oxidation.
Dị ka ihe onwunwe nke ihe nkiri, ọ nwere ike kewaa nkịtị film, ike film (oke film), poselin film, na-egbuke egbuke mgbanwe oyi akwa na mgbochi oyi akwa nke semiconductor edinam.
The anodizing usoro nke kpọmkwem ugbu a electrosulfuric acid bụ ihe kasị ewu ewu, n'ihi na ọ bụ adabara anodizing aluminum na ọtụtụ aluminum alloys.The film oyi akwa bụ oké, ike na-eyi na-eguzogide, na mma corrosion iguzogide nwere ike nweta mgbe akara hole. ihe nkiri oyi akwa bụ enweghị colorless na transperent, na ike adsorption ike na mfe coloring.Low nhazi voltaji, obere ike oriri; Usoro adịghị mkpa ịgbanwe voltaji okirikiri, nke na-eme ka na-aga n'ihu mmepụta na bara uru akpaaka ọrụ; Sulfuric acid bụ obere emerụ. karịa chromic acid, nnukwu ọkọnọ, uru dị ala dị ala.