TriChrome layers are alloys and more complex in composition; Chrome layers from TriChrome electrolytes are always more noble than from hexavalent electrolytes; Chrome layers from TriChrome electrolytes are more noble than Ni layers; The beginning of the corrosion is better shared in the microporous layei; Nickel decomposition takes place in the micro-porous layer; Corrosion mechanism similar to “classical" one.
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