This paper will provide the results of a number of years of testing and experience in surface preparation for high-performance coatings. Testing has shown that there are several important variables that are not routinely monitored and controlled on coating projects. The pertinent variables will be identified and guidance will be provided on appropriate treatment of the variables to achieve the desired results. This paper was prepared specifically for the thermal spray coating industry, however, the information is applicable to all types of coatings, including liquid and powder coatings. The majority of testing was accomplished on surfaces prepared using recyclable metallic abrasives, however, the variables are equally applicable to surface preparation using any abrasive that is capable of preparing the surface.

Subject
Abrasive blasting, Test methods, Coating performance, Steel surfaces, Coatings, Contamination, Abrasives, Surface preparation, Substrate surfaces, Surface profile, Thermal spray coatings, Cleaning, Peak density
© 2004 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).
2004
Association for Materials Protection and Performance (AMPP)
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