Several candidate materials for heat exchanger applications in power plant have been evaluated on the basis of short-term exposures in reducing environments. The results confirm the importance of high levels of chromium (Cr) and aluminum (Al) in conferring corrosion resistance and indicate the effect of fuel solids (such as char) in increasing rates of degradation.

Plans for both laboratory and field evaluation of materials in Low-NOx firing system environments are outlined. The significance of such studies in predicting materials performance and the effects of modification of combustion environments are also discussed.

Subject
Sulfur, Stability, Materials, Materials performance, Metal surfaces, Chromium, Corrosion attacks, Material degradation, Furnaces, Interfaces, Corrosion resistance, Deposit corrosion, Alloys
Keywords:
corrosion, sulfidation, heat exchanger, combustion, gasifier, alloys
© 1994 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).
1994
Association for Materials Protection and Performance (AMPP)
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