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I-Aluminium anodizing Usebenzisa izinyathelo zokunqanda ukubola kwe-aluminium anode?

Izindaba

I-Aluminium anodizing Usebenzisa izinyathelo zokunqanda ukubola kwe-aluminium anode?

2024-10-24

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Ezindaweni zanamuhla zokukhiqiza nokuhlala, inani elikhulu lemikhiqizo yensimbi libangela ukulahlekelwa okukhulu kwezomnotho minyaka yonke ngenxa yokugqwala, futhi esimweni esijulile sokukhiqizwa kwezimboni, lokhu kulimala nakho kuyanda. Ngokuvela kwemikhiqizo ye-anode yomhlatshelo we-anti-corrosion, izinkinga ezinjalo ziye zaxazululwa ngokuphumelelayo ngezinga elithile. Kodwa-ke, ngoba imikhiqizo ye-anode yomhlatshelo empilweni yangempela ayifani nje kuphela, kodwa futhi ukusebenza nezindlela zokusebenzisa zemikhiqizo ehlukene nazo zihluke kakhulu, okudinga inani elikhulu labathengi ukuze basebenzise izindlela zokusebenzisa ezifanele imikhiqizo ehlukene. Sithatha i-anode ye-aluminium njengesibonelo, empeleni, ukuze siqonde ukusebenza kanye nomphumela wangempela wemikhiqizo ye-anti-corrosion aluminium anode, kanye nokusetshenziswa kwezinyathelo zokuphepha, okokuqala kufanele kucatshangelwe kusukela ekusebenzeni komkhiqizo ngokwawo, futhi ezindaweni ezahlukene zokusetshenziswa, ukusetshenziswa kwezinyathelo zokuqapha ngokuvamile kuzohluka. Izimbobo ezincane ezakhiwe nge-anodizing aluminium ngezinye izikhathi zibhekwa njengama-capillaries avaliwe asetshenziswayo, futhi lezi zimbobo ezincane zibhekene ne-perpendicular ebusweni bensimbi eyisisekelo. Ngemuva kwe-aluminium anodizing, ama-pores agcwaliswa ngesisombululo se-aluminium anodizing kanye nosawoti we-aluminium owenziwe ngesikhathi senqubo ye-aluminium anodizing. Kodwa-ke, lezi zinsalela ze-sulfuric acid kanye nosawoti we-aluminium kuma-micropores kunzima ukususa, futhi ukugeza endaweni engaphandle kunzima ukususa izinto ezikuma-micropores. Ngenxa yokuthi ukwelashwa kokuqina kweminyaka kusekelwe emandleni ezinto ezibonakalayo, kunenkinga yokwelula isikhathi sokwelashwa kokuqina kweminyaka, kodwa ukuthambekela kokulungisa usayizi wokusanhlamvu akunakwa. Ngemuva kokwelashwa kwe-alkali etching kanye nokwelashwa kwe-anodic oxidation, kunzima ukuthola ifilimu efanayo ye-anodic oxidation. Ukuphathwa kokushisa kokwelashwa kokushisa kubhekwa kusukela ekubukeni kokuqeda. Uma usayizi wokusanhlamvu we-anode ye-aluminium alloy efakwe endaweni enkulu yendiza ayihlanzekile, ukwelashwa kwe-alkali etching akufani, khona-ke ukubukeka kokwelashwa kwe-aluminium anodizing akukwazi ukuhambisana, okuzobangela ukwehla okukhulu isivuno sezinto ezibonakalayo, ngakho-ke khetha iqoqo elifanayo lezinto ezinemibandela efanayo yokucubungula. Ngalesi sikhathi, indlela ye-convection ne-diffusion ingakhethwa. Enqubweni ye-convection, sonke isixazululo kufaka phakathi izinto ezincibilikisiwe zihamba ndawonye, ​​ukugoqa kuyindlela yokuhambisa; I-Diffusion yi-gradient yokuhlushwa kwamakhemikhali, esimweni sesisombululo esisele ku-micropore, isisombululo esiku-micropore akunakwenzeka ngokuphelele ukusishukumisa, ngakho-ke inqubo yokusabalalisa iwukuphela kwendlela yokususa usawoti we-sulfuric kanye ne-aluminium ku-micropore.