Official Answer
Answer
Passivation (kuri ASTM A967) nubuvuzi bwa chimique ukoresheje aside nitric cyangwa citricike kugirango ukureho 'fer yubusa' hejuru yisoko yumuraba. Kuri 302 cyangwa 316 ibyuma bidafite ingese, ubu buryo bwongera chromium-oxyde ikingira. Mugihe passivation idahindura ubwinshi bwimiterere yubukanishi, irinda ishingwa ryibibanza byangirika. Mubikorwa bya cycle, ibyobo bikora nkibitera imbaraga ($ K_t $) byihutisha cyane gutangira umunaniro. Mugukuraho izi mbuga, passivation yemeza ko ubuzima bwumunaniro ubarwa ukoresheje $ S_ {alt} = \ frac {S_ {max} - S_ {min}} {2} $ bikomeza kuba byiza mubidukikije byangirika, bikarinda kunanirwa hakiri kare kubera imikoranire ya ruswa-umunaniro.
