Various nondestructive sampling techniques for Fourier Transform Infrared (FTIR) spectroscopy are capable of probing the molecular details of corrosion products, and corrosion protective films. Examples of the successful use of various sampling techniques for characterizing amorphous, microcrystalline, oily and polymeric paint interphases are discussed. The unique strengths and limitations of various sampling techniques with respect to the macroscopic structure of the interphases and the molecular details of interest are also explored.

Subject
Coatings, Absorption, Salts, Metal surfaces, Fourier transform infrared spectrography, Corrosion products, Phosphates, Reflectance, Characterization tests, Carbon steel, Paints, Samples, Sampling
Keywords:
Corrosion, Interphase, Corrosion products, Protective films, Ex-Situ FTIR, Phosphate coating, Diffused Reflectance, External Reflectance, Internal Reflectance, Photoacoustic FTIR
© 1993 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).
1993
Association for Materials Protection and Performance (AMPP)
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