975 resultados para GALVANIC WASTES


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Includes bibliographical references.

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"ISM contract 175."

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Bibliography: p. 108-112.

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At head of title : 93d Cong., 2d sess. House report no. 93-1012.

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Mode of access: Internet.

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Cover title.

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Mode of access: Internet.

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An investigation was carried out into the galvanic corrosion of magnesium alloy AZ91D in contact with zinc, aluminium alloy A380 and 4150 steel. Specially designed test panels were used to measure galvanic currents under salt spray conditions. It was found that the distributions of the galvanic current densities on AZ91D and on the cathodes were different. An insulating spacer between the AZ91D anode and the cathodes could not eliminate galvanic corrosion. Steel was the worst cathode and aluminium the least aggressive to AZ91D. Corrosion products from the anode and cathodes appeared to be able to affect the galvanic corrosion process through an alkalisation, passivation, poisoning effect or shortcut effect. (C) 2003 Elsevier Ltd. All rights reserved.