The Characterization of Cemented Carbides by Automated Image Analysis by ProQuest


If the volume ratio is equivalent to the area ratio, the area percentage of cobalt measured is smaller than the theoretical value in both cases. The error is slightly below 10%. With less cobalt content more important WC agglomerations are obtained. Since WC-WC boundaries are more difficult to isolate than WC-Co ones, it is possible that more separations are missing in the 906 grade than in the 45B grade. This would preferentially increase the 906 grade average grain size.

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