The phenomenon of the electrochemical noise is already known since some decades. With the growing technical possibilities in the fields of electronic measuring devices and recording techniques a new window of observation has been opened for corrosion experts to see and record smallest charge fluctuations from dynamic corrosion processes. The main advantage compared to other electrochemical techniques is the contemporary and sensible way of getting information from the beginning of and the tendency to corrosion. This is also the basis for applications for corrosion testing and examination. In this paper, it is shown as representative for a lot of possible applications, how conventional testing methods and investigation procedures can be enriched by this advantages. The prerequisites with regard to the measuring techniques, the experimental procedure and the assessment of the measured data are shown as well as some natural restrictions, which have to be taken into account.

Subject
Electric current, Test methods, Materials, Noise measurements, Electrochemical noise, Corrosion testing, Corrosion detection, Current noise, Filters, Electrochemical data, Cutting, Equipment, Pitting
Keywords:
Electrochemical Noise, Corrosion Testing, Corrosion Examination
© 2007 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).
2007
Association for Materials Protection and Performance (AMPP)
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