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A comparison of grain size determination by light microscopy and EBSD analysis

Gao, N., Wang, S.C., Ubhi, H.S. and Starink, M.J. (2005) A comparison of grain size determination by light microscopy and EBSD analysis Journal of Materials Science, 40, (18), pp. 4971-4974. (doi:10.1007/s10853-005-3867-6).

Record type: Article


This study shows that the accuracy of optical microscopy analysis of grain size depends on sample preparation techniques, etching procedures and materials, where the visibility of a boundary is a function of the techniques used, and the microstructure components on or close to the boundary. Optical examination of grain size does not always give the same information achieved by EBSD analysis. Fully automatic measurements of grain size by EBSD provides more accurate measurements than conventional optical imaging methods and yields smaller average grain size because EBSD has an advantage over the optical examination in better imaging smaller grains and its result is not dependent on etching and imaging techniques.

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Published date: 2005
Keywords: grain size, light microscopy, EBSD


Local EPrints ID: 19167
ISSN: 0022-2461
PURE UUID: d5855077-0c04-42b7-b7f2-0af6e1214a35

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Date deposited: 16 Jan 2006
Last modified: 17 Jul 2017 16:33

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Author: N. Gao
Author: S.C. Wang
Author: H.S. Ubhi
Author: M.J. Starink

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