The Finite Element Analysis of Bilayer Structure of ZrO<sub>2</sub> and Al<sub>2</sub>O<sub>3</sub> and ZrO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> Gradient Material

采用有限元软件对氧化锆与氧化铝双层结构的简化模型中产生的热应力的过程进行模拟分析。对交齿配合和梯度配合等模拟过程中材料产生的失效方式进行比较，得出模拟过程中配合方式、交齿齿宽、梯度比例与所得热应力之间的相关关系。 The finite element software is used to simulate the thermal stress generated in the simplified model of the bilayer structure of zirconia and alumina. By comparing the possible failure method of materials during the simulative process of gear and gradient structure, the relationship among coordination mode, tooth width, component ratio and the thermal stress can be presumed.