Passivation nuburyo bwo kugabanya umuvuduko wo kwangirika kwicyuma muguhindura ubuso bwayo muburyo budakunze kwibasirwa na okiside. Byongeye kandi, phenomenon yicyuma gikora cyangwa ibivanze, aho ibikorwa bya shimi bigabanuka cyane kumiterere yicyuma cyiza, nanone bita passivation.
Passivation yibyuma mubidukikije bigerwaho muburyo bubiri:
1. icyuma Gukomeza okiside no gusesa.
2. Anodic passivation iterwa na anodic polarisation ya fonctionnement yicyuma, ni ukuvuga icyuma munsi yigikorwa cyumuyaga, impinduka za electrode zishobora guhinduka no gushiraho okiside yicyuma cyangwa umunyu hejuru ya electrode, ibyo bintu bipfundikijwe cyane hejuru yicyuma kugirango ibe firime passivation kandi iganisha kuri passivation yicyuma.
Muri rusange, nubwo passiyasi yimiti na anodic passivation byombi bihindura hejuru yicyuma muburyo budakunze kwibasirwa na okiside, uburyo bwo kubikora hamwe nuburyo bukoreshwa biratandukanye. Imiti ya pasivisiyumu ikora firime ikingira hejuru yicyuma cyane cyane ikoresheje reaction ya chimique, mugihe passiyo ya anodic ikora firime ya passivation hejuru yicyuma ikoresheje amashanyarazi, byombi bigamije kugabanya umuvuduko wo kwangirika kwicyuma.
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Igihe cyo kohereza: Kanama-14-2024