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Corrosion of izinsimbi - inqubo nokubhujiswa kwabo
Corrosion lihunyushwa lisuselwa Latin ngokuthi "insimbi". Ngakho yinqubo ukubhujiswa noma iyiphi impahla (ukhuni, ngobumba, polymer, metal) ngenxa yokuchayeka imvelo, kungakhathaliseki inhlabathi, umoya, amanzi (ulwandle, umfula, ixhaphozi, ichibi, nangaphansi komhlaba) noma iyiphi enye imidiya. Ngokuphathelene izinsimbi eside ukugqwala izinsimbi ingena esikhundleni a eside generalized "nokugqwala". Ngokwesibonelo, lapho umoya-mpilo yensimbi ukugqwala amafomu amanzi hydroxide ferric hydrated - nokugqwala abavamile.
Inhlabathi nokungcola ukugqwala izinsimbi - inqubo electrochemical ukuthi kuncike ezintweni ezifana ukwakheka kwamakhemikhali zenhlabathi, umswakama wawo futhi emoyeni permeability, uhlobo metal, ukufana yayo, ubunjalo ebusweni sufaka.
Ukuvikelwa izinsimbi kusuka ukugqwala kusekelwe yalezi zindlela:
1. kuphakame izinto constructional chemical ukumelana (ukugqwala ukumelana Alloys yethula amaseli noma, Ngakolunye uhlangothi, ukususwa amanyela kusukela ingxubevange ukugqwala kuyashesha);
2. ukuzihlalela ebusweni metal ekuhlaselweni by abezindaba nolaka (upende varnishes lokunameka metal, nangokuvikela amafilimu, Electroplating) ;
3. Ukuvikelwa electrochemical - bedle i zamanje zangaphandle esikhulu isakhiwo insimbi;
4. ukwehla nolaka medium nge isingeniso ka ukugqwala inhibitor (arsenates, chromates, nitrites), deoxygenation noma neutralization ophansi.
Lo mbuzo, njengoba Ukuvikelwa ukugqwala metal, futhi okwamanje efanele, sidinga indlela olunzulu ukuze sifune yesimanje izixazululo, ekuthuthukiseni izindlela ezindala esimnkantsh futhi izinto zokuzivikela.
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