Processing and Sintering of Ultrafine MgO‐ZrO2 and (MgO, Y2O3)‐ZrO2 Powders
作者： Michael J. Readey , Ran-Rong Lee , John W. Halloran , Arthur H. Heuer
DOI: 10.1111/J.1151-2916.1990.TB09786.X
关键词:
摘要: This paper reports chemical coprecipitation used to produce ultrafine and easily sinterable MgO-stabilized (MgO,Y{sub 2}O{sub 3})-stabilized ZrO{sub 2} powders. The sintering behavior is very sensitive post-precipitation washing because hard agglomerates form when the precipitated gels are washed with water, whereas soft they ethanol. pack uniformly, resulting in homogeneous shrinkage of powder compacts near-theoretical density. result which have regions localized densification a significant fraction residual porosity.
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