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Viscosity of LTCC Determined by Discontinuous Sinter-Forging

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The sintering behavior of the commercial material Ceramtape GC, a glass-ceramic composite, is characterized with the help of the continuum mechanical description. The sinter-forging technique permits to determine the uniaxial viscosity of the porous ceramic body as a function of density. At an isothermal temperature of 840°C, the uniaxial viscosity varies from 0.2 to 6 GPa.s with increasing relative density from 76% to 97%. Continuous and discontinuous sinter-forging allows the characterization of the effect induced by the load.

Document Type: Research Article


Affiliations: Institute of Materials Science, Darmstadt University of Technology, Petersenstr. 23, D-64287 Darmstadt, Germany

Publication date: 2006-11-01

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