N'oge njikwa, mgbakọ, ịgbado ọkụ, na-agbakwunye ihe nrịba ama nke dị n'ime, akụrụngwa, nchara, na-agbaze na-emebi emebi, agba na-agbaze ya slag, na nke na-adịghị mma, na spy na-emegharị. Ihe ndị a na-emetụta elu igwe anaghị agba nchara, mebie ihe nkiri onye ntụgharị, ma mee ka ọ bụrụ ihe mgbochi corrosion, na-eduga na corrosion, na-akpata nrụgide corrosonion.
Ansọs nchara nchara, n'ihi iburu kemịkal dị iche iche, nwere nnukwu ọrụ chọrọ maka igbochi mmerụ agha. Dị ka elu nke akwa mkpuchi na-adọkpụ nke na-enweghị ike na-emebi emebi, ọ bụ ihe a na-emekarị iji rụọ ọrụ, kemịkalụ, ma ọ bụIhe mkpuchi electrolyticNa efere igwe anaghị agba nchara, akụrụngwa, na ngwa ọnụ tupu ihicha, na-egbuke, ma na-agagharị iji mee ka mmezi igwe anaghị agba nchara.
Ihe nkiri nke passives na igwe anaghị agba nchara nwere njiri dị omimi ma ghara ịtụle ka ọ na-akwụsị kpamkpam karịa ka ịgbatị akwa nchekwa. Ọ na-emebi emebi na ibelata ndị ọrụ (dị ka eyịm chloride) ma nwee ike ichekwa ma rụkwaa ya na oxidant (dịka ikuku).
Mgbe ekpughere igwe na-enweghị igwe na ikuku, ụdị ihe nkiri mara mma.
Agbanyeghị, akụrụngwa ihe nkiri a ezughị ezu. Site na achicha acid, nkezi nke 10μm nkeigwe anaghị agba ncharaNa-agbagharị, na kemịkalụ kemịkalụ nke acid na-eme ka ọnụego ya na ntụpọ dị elu karịa ebe ndị ọzọ. N'ihi ya, pickling na-eme elu ahụ dum na-edo edo. N'ụzọ dị mkpa, site na ntụtụ, ígwè na ifuru ya na-agbachi iji chromium ma e jiri chromium na-eme ka chromium na-eme ka ọ bụrụ chromium. N'okpuru ime ihe ọ bụla, a na-eme ihe nkiri pastọ zuru oke, nwee ike ị nweta ihe nkiri Cromium a ruo + 1.0V (Sce), mechie nguzogide nke ọla.
Oge Post: Novolut 28-2023