针对粉末多孔材料，采用体积可压缩刚粘塑性热力耦合有限元法对其等径角挤压过程进行模拟分析。
The densification and deformation behavior of porous materials during the ECAP process were investigated by (thermo -) mechanical coupling finite element method.
对多孔状挤压油膜阻尼器控制机构间隙效应的能力进行了探索性研究。
The porous squeeze film joint is developed for controlling the mechanism clearance effects.
根据生产经验，分析了D 97多孔扁管连续挤压时开裂的原因，并提出了改进措施。
According to production experience, the cracks reason of D97 multi-port tube during continuously extruding is analyzed. The improvement method is also presented.
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