Official Answer
Answer
Passivation (ASTM A967) ni inzira ikomeye nyuma yo gukora impeta zidafite ingese. Mugihe cyo gutekesha no gutunganya, ibice bya 'tramp fer' biva mubikoresho bishobora gushirwa hejuru yimpeta. Ibi bice bikora nkibibanza byo gutangiriraho ruswa (piting). Passivation ikubiyemo kwibiza impeta mu bwogero bwa acide nitric cyangwa citricike bishonga fer yubusa kandi bikazamura imiterere ya chromium-oxyde irinda. Kubigize ubuvuzi cyangwa icyogajuru, passivation yemeza ko impeta ikomeza kuba 'ingese' kandi ikarinda kunanirwa imburagihe bitewe ningirabuzimafatizo ya galvanic.
