五价钽、锂掺杂对Y-TZP微观结构和性能的影响

1.天津大学材料系,300072

2.天津大学材料系,300072

3.天津大学材料系,300072

4.天津大学材料系,300072

The Influence of Pentavalent Transition Metal Oxide on the Microstructure and Properties of Y-TZP

在前人工作的基础上,本文作者进一步深入细致地分析总结了Nb2O5和Ta2O5对Y-TZP 微观结构和宏观性能的影响并提出自已的见解.研究发现Nb2O5和Ta2O5的添加使得Y-TZP轴比及热膨胀各向异性增大,马氏体相变起始温度升高,可相变t-ZrO2含量上升有利于材料机械性能的提高.

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