Morphological and kinetic study of copper corrosion when covered with digenite sulphide layer,in sulphur,under covellite formation conditions |
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| Authors: | Joël Furer Michel Lambertin Jean-Claude Colson |
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| Affiliation: | Laboratoire de Recherches sur la Réactivité des Solides, LA 23 C.N.R.S., Faculté des Sciences Mirande, Dijon 21000, France |
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| Abstract: | ![]()
The sulphurization of copper covered with a digenite protective layer, under covelliteformation conditions occurs in two stages: metal valence value change in the sulphide and then metal transformation. The first stage involves an external growth and covellite precipitation in the copper vacancies supersaturated in digenite, the second an external growth similar to that of metals alone. |
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