Rigid-plastic FEM was conducted to simulate the hot compressing process. The bulging deformation was observed in compressed samples, which was affected by friction factor, strain rate and deformation temperature.

• 采用刚塑性有限元方法模拟热压缩变形过程,研究了摩擦因子、变形速率、变形温度对鼓肚变形的影响,摩擦因子越大、变形速率越小、变形温度越低,鼓肚的变形量越大。