介绍了压电陶瓷粉末模压成型的研究现状,以及粉末材料有限元仿真所用的Drucker-Prager-Cap连续模型和屈服准则.基于有限元仿真法,论述了模压过程中摩擦行为、加载行为等工艺参数对成型坯体内部密度、应力分布的影响,并介绍了有限元法在模压改进工艺中的研究进展.
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