Kuthunyelwe ku 2018-08-15Zinc aluminium enamathela yakhiwa flake zinc powder, aluminium powder, acid ezingaphili kanye binder, uketshezi enamathela enamathela phezu ungqimba ovikelayo, isakhiwo esisha kanye izakhiwo emva sintering kwakhiwa, it English esiqanjwe ngokuthi "dacromet".Njengobuchwepheshe obusha obusungula ngokuphelele ezinye izindlela zokwelapha zensimbi zendabuko, kusukela yethulwa eShayina ngo-1993, ubuchwepheshe bokumboza i-zinc-aluminium bunezinzuzo eziningi ekugqwaleni okuphezulu, ukumboza okuncanyana kanye nokukhiqizwa okuhlanzekile okuphezulu kwemvelo.Isetshenziswa kabanzi kwezezimoto, zokwakha, ezokuthutha, amandla, ezokuxhumana, izinto zikagesi zasendlini nezinye izimboni.
I-anti-rust mechanism ye-zinc aluminium coating
1. Umphumela wokuvimbela: ngenxa yokugqagqana kwe-lamellar zinc ne-aluminium, i-corrosion medium, njengamanzi ne-oxygen, ivinjelwa ekufinyeleleni i-substrate futhi ingasebenza njengesihlangu esizihlukanisayo.
2. I-Passivation: lapho kwenziwa i-zinc aluminium enamathela, ingxenye ye-asidi ye-inorganic isabela nge-zinc, i-aluminium powder kanye nesisekelo sensimbi ukuze kukhiqizwe ifilimu ye-compact passive, enokumelana okuhle nokugqwala.
3. Ukuvikelwa kwe-Cathodic: umsebenzi oyinhloko wokuvikela we-zinc, i-aluminium ne-chromium yokugqoka ifana ne-zinc coating, okuyi-substrate yokuvikela i-cathodic.
Isikhathi sokuthumela: Jan-13-2022