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Lin An, Jingtao Han, and Jun Chen, Microstructure and mechanical properties of WC-20wt% Co/ZrO2(3Y)cermet composites, J. Univ. Sci. Technol. Beijing , 13(2006), No. 2, pp.174-177. https://dx.doi.org/10.1016/S1005-8850(06)60038-8
Lin An, Jingtao Han, and Jun Chen, Microstructure and mechanical properties of WC-20wt% Co/ZrO2(3Y)cermet composites, J. Univ. Sci. Technol. Beijing , 13(2006), No. 2, pp.174-177. https://dx.doi.org/10.1016/S1005-8850(06)60038-8
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Microstructure and mechanical properties of WC-20wt% Co/ZrO2(3Y)cermet composites

摘要: The cermet composites WC-20wt%Co/ZrO2(3Y) with four different contents of ZrO2(3Y) were prepared by normal vacuumsinter processing; the optical microscope and SEM were used to characterize their microstructures. The hardness, bending strength andimpact toughness of the specimens were determined. The experimental results show that ZrO2(3Y) particles in WC-20wt%Co matrixare spherical particles in different sizes which are distributed uniformly in Co phases and WC phases, the bending strength and impacttoughness of the WC-20wt%Co cermet composites added ZrO2(3Y) improve remarkably, but the hardness values have little change.

 

Microstructure and mechanical properties of WC-20wt% Co/ZrO2(3Y)cermet composites

Abstract: The cermet composites WC-20wt%Co/ZrO2(3Y) with four different contents of ZrO2(3Y) were prepared by normal vacuumsinter processing; the optical microscope and SEM were used to characterize their microstructures. The hardness, bending strength andimpact toughness of the specimens were determined. The experimental results show that ZrO2(3Y) particles in WC-20wt%Co matrixare spherical particles in different sizes which are distributed uniformly in Co phases and WC phases, the bending strength and impacttoughness of the WC-20wt%Co cermet composites added ZrO2(3Y) improve remarkably, but the hardness values have little change.

 

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