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Correlation between the Grain Orientation Dependence of Color Etching and Chemical Etching

Published online by Cambridge University Press:  13 November 2012

Attila Bonyár*
Affiliation:
Budapest Universityof Technology and Economics, Department of Electronics Technology, H-1111 Budapest, Goldmann sqr. 3, Hungary
Peter J. Szabó
Affiliation:
Budapest Universityof Technology and Economics, Department of Materials Science and Engineering, H-1111 Budapest, Bertalan L. u. 7, Hungary
*
*Corresponding author. E-mail: bonyar@ett.bme.hu
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Abstract

A gray cast iron specimen was investigated by color and chemical etching with optical and atomic force microscopy, and the effect of grain orientation on the effectiveness of etching was examined. It was proven that the grain orientation dependence of chemical and color etching is just the opposite, and that the specimen surface after color etching is not uniformly smooth. Explanation for the layer structure of the color etched iron specimen is given.

Type
Materials Applications
Copyright
Copyright © Microscopy Society of America 2012

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