I-iron-chromium-aluminium kanye ne-nickel-chromium electrothermal alloys ngokuvamile anokumelana ne-oxidation eqinile, kodwa ngenxa yokuthi isithando somlilo siqukethe amagesi ahlukahlukene, njengomoya, umkhathi we-carbon, umkhathi wesulfure, i-hydrogen, umkhathi we-nitrogen, njll. Wonke anomthelela othile.Nakuba zonke izinhlobo ze-elec ...
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