ZrC materials containing MoSi2 as a sintering aid in the volumetric range 0-9 vol.% were fully consolidated by spark plasma sintering at temperatures between 1750 and 2100°C. Addition of MoSi2 resulted in a decrease in the sintering temperature, refinement of the microstructure and improvement of the mechanical properties in comparison with the monolithic material. Hardness values were in the range 25-28 GPa, Young's modulus was in the range 420-470 GPa and the flexural strength was in the range 400-600 MPa.
Spark plasma sintering and mechanical behaviour of ZrC-based composites
Diletta Sciti;Stefano Guicciardi o Guizzardi;
2008
Abstract
ZrC materials containing MoSi2 as a sintering aid in the volumetric range 0-9 vol.% were fully consolidated by spark plasma sintering at temperatures between 1750 and 2100°C. Addition of MoSi2 resulted in a decrease in the sintering temperature, refinement of the microstructure and improvement of the mechanical properties in comparison with the monolithic material. Hardness values were in the range 25-28 GPa, Young's modulus was in the range 420-470 GPa and the flexural strength was in the range 400-600 MPa.File in questo prodotto:
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Descrizione: Spark plasma sintering and mechanical behaviour of ZrC-based composites
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