High Temperature Strength of Mo/PSZ Composites as Evaluated by MSP Test (Ⅱ)

Abstract

Abstract: In present work, the mechanical properties of Mo/PSZ (partially stabilized zirconia) composites were
investigated at a temperature range from room temperature to 1573K by means of the modified small punch test (MSP) and the dependence of MSP strength for Mo/PSZ
composites on composition and microstructure was discussed in detail. It was found that the change of MSP strength with the composition at various test
temperatures was different: it took the shape of “W” at room temperature; at temperatures up to 873K and 1273K, the MSP strength approached its peak,
respectively at the compositions where the Mo phase was dispersed or both compositional phases were continuous. The results show that MSP strength
depends not only on the composition but also on the composite microstructure.

Key words: composites, microstructure, MSP test, high temperature strength

CLC Number:

YB33

JIANG Wan,BAI Guang-Zhao,WANG Gang,LI Jing-Feng. High Temperature Strength of Mo/PSZ Composites as Evaluated by MSP Test (Ⅱ)[J]. Journal of Inorganic Materials.

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High Temperature Strength of Mo/PSZ Composites as Evaluated by MSP Test (Ⅱ)

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