SEM of 99.8 percent pure alumina ceramic

SEM of 99.8 percent pure alumina ceramic

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Caption: Scanning electron micrograph (SEM) of nearly pure (99.8%) alumina, a high-quality technical ceramic used in the manufacture of integrated circuits, biomedical hardware such as hip replacements, and in other products requiring high thermal & chemic- al resistance. The microstructure of the material is almost completely dense, with some intra- granular pores (holes within the grain boundaries) & intergranular pores (holes between grain boundaries). The rough area above centre is a beta-alumina impurity which is present in small quantities. Magnification: x570 at 35mm size, x4000 at 8x10-inch size.. Reference: MICROCOSMOS, figure 7.6, page 128

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Keywords: alumina, ceramic, chemical, chemistry, compound, compounds, scanning electron micrograph, sem

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