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Nondestructive Evaluation of the Mineralogy of Rock Temper in Ceramics Using X-Radiography

  • Christopher Carr (a1) and Jean-Christophe Komorowski (a2)

Abstract

Industrial and medical x-radiography can be used in a new manner analogous to back-scattered electron microscopy to identify the approximate mineralogy of rock temper particles in ceramics, but without their destruction by thin-sectioning and at very low cost. Mineralogical traits similar to those applied in petrography to identify mineralogy are visible in a magnified radiograph. They include particle radiographic grey level contrast, which varies with specific density and mineralogy; morphology; cleavage; and internal texture. Blind tests that evaluate the specificity and accuracy of the method are presented.

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