Galvanized coil processing

Tsanangudzo Pfupi

Galvanizing inoreva tekinoroji yekurapa kwepamusoro yekuisa dhizaini yezingi pamusoro pesimbi, alloy kana zvimwe zvinhu zvekunaka uye kudzivirira ngura.Nzira huru inopisa galvanizing.

Zinc inonyungudika nyore muasidhi uye alkali, saka inonzi amphoteric simbi.Zinc haitombochinji mumhepo yakaoma.Mumhepo ine hunyoro, dense basic zinc carbonate film ichaumbwa pane zinc pamusoro.Mumhepo ine sulfur dioxide, hydrogen sulfide uye marine atmosphere, kurwisana nekuora kwezinki kwakashata, kunyanya mumhepo ine organic acid pahupamhi hwekushisa uye hunyoro, iyo zinc coating iri nyore kwazvo kusvibiswa.Iyo yakajairika electrode kugona kwe zinc ndeye -0.76v.Kune substrate yesimbi, zinc coating ndeye anodic coating.Inonyanya kushandiswa kudzivirira kuora kwesimbi.Kuita kwayo kwekudzivirira kunoenderana zvakanyanya nehupamhi hwekuputira.Iyo yekudzivirira uye yekushongedza zvimiro zve zinc coating inogona kuvandudzwa zvakanyanya mushure mekufamba, kudhaya kana kupfekedza nemwenje unodzivirira mumiriri.