Considerations other than corrosion resistance such as mechanical requirements, may necessitate combining galvanically incompatible metals into a design to obtain a specific combination of properties for a seawater application. This is particularly true in light of the growing complexity of the multifunctioned equipment being developed for service in the ocean. Methods of controlling the corrosion of combinations of metals, specifically aluminum-base alloys coupled to Monel-400, brass, titanium-6Al-4V, or stainless steel in closed systems containing seawater have been investigated. The closed systems is especially amenable to corrosion sontrol by modification of the environment; the bulk of the experimental work in closed systems, therfore, involved study of environmental corrosion control methods. The protective value of hard-anodized coatings and the feasibility of employing cathodic protection in a closed system also are discussed.

Subject
Water, Galvanic anodes, Ions, Cathodic protection, Corrosion rate, Aluminum, Seawater, Corrosion attacks, Sodium, Pitting, Titanium, Copper, Aluminum alloys
© 1971 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
1971
Association for Materials Protection and Performance (AMPP)
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