Anodische Polarisationskurven von Messinglegierungen in Ammoniumchloridlösungen |
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Authors: | R. Bartoní
ek,G. V. Akimov |
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Affiliation: | R. Bartoníček,G. V. Akimov |
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Abstract: | Anodic polarization curves of brass alloys in ammonium chloride solutions Potentiodynamic investigations have revealed, that curves traced during the low rate polarization characterize the anodic behaviour of brasses. Such curves show that copper-rich alloys behave in a way analogous to that of copper. It is consequently possible from the polarization curves of copper to derive the behaviour of such alloys. Zinc- rich alloys behave like zinc at the beginning but during the dissolution process a new copper-rich phase is probably formed and the behaviour is then comparable to that of copper-rich alloys. Alloys of h&h copper content can be passivated, but passivation current and potential grow as the zinc con- tent is increased. |
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