This paper presents a study of hydride formation in titanium after exposure to NaCl solutions, synthetic sea water, and natural flowing sea water for long periods of time. We found that hydrides occurred only in samples that were galvanically coupled with an aluminum anode and tested in stagnant solutions. The results also show that–900 mVSCE is probably a safe lower bound for use of titanium in a sea water environment. The paper also proposes that critical potential diagrams are a good method to summarize data of this type.

Subject
Noble potential, Water, Materials, Sodium chloride, Purity, Sodium chloride solution, Hydrides, Galvanic coupling, Electric potential, Aluminum anodes, Titanium, Zinc, Corrosion potential
© 2001 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).
2001
Association for Materials Protection and Performance (AMPP)
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