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中文摘要：
采用有限元模拟技术对反应合成的AgSnO2和AgCuO复合材料的大塑性变形过程进行模拟，研究在不同真应变条件下，AgSnO2和AgCuO复合材料显微组织均匀化的程度。结果表明：根据反应合成AgMeO复合材料烧结态组织特点所建立的有限元模型能够对大塑性变形过程进行有效模拟，模拟结果与实验结果吻合较好；模拟与实验结果表明，反应合成AgMeO复合材料在挤压过程中不可避免地发生增强相偏聚的组织分层现象，需要采用更大的变形强度来实现显微组织均匀化。
英文摘要：
The finite element simulation was adopted for severe plastic deformation of reactive synthesis AgMeO composites. The homogenization degree of microstructure was researched by simulation and experiment in same true strain condition for AgSnO2 and AgCuO composites. The results showed that the model of finite element, according to the sinter microstructure of AgMeO composites, can effectively simulate the program of severe plastic deformation. The results of simulation and experiment were consistent. From the result of simulation and experiment, the phenomena of microstructure delaminating was inevitable due to the clustering of reinforce phase in the deformation. The homogenization of microstructure can be obtained through the bigger deformation strength.
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