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This paper is concerned with the internal form of compacted ceramic green components. The structural inhomogeneity of alumina specimens, compressed in a top pressed cylindrical die, is studied experimentally, by using lead balls as tracers to detect the densification, as well as by numerical computation. The flow behaviour of a ceramic powder, an agglomerated alumina, is described by the modified...
Density distributions, during the uniaxial cold compaction of an alumina powder, are obtained by both experimental and numerical studies. The density distributions of cylindrical specimens, compressed from one side, were measured with a special technique using X-ray imaging where fine lead balls were incorporated into the compacts. A constitutive model, based on the theory of non-linear elasticity,...
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