通过Deform-3D三维几何建模软件对烧结纯钼的多向锻造过程进行数值模拟，采用Pro-Engineering三维几何建模软件建立模型。选择Langrangian增量形式计算锻造过程中的塑性变形。通过共轭梯度法计算单步，计算步之间采用直接迭代。锻造砧与锻件接触，设置相互间的库伦摩擦系数为0.3，锻造砧温度300 ℃，界面热传系数为5 N/(sec·mm·℃)，环境温度为20 ℃，热对流系数为0.02 N/(sec·mm ℃)。多向锻造模拟过程中，通过不断调整各工步变形量和变形温度等参数，分别对立方坯体和圆柱坯体的纯钼多向锻造过程进行调整，经多次试验结果的优化对比，分析锻造过程中的应力应变场、温度场和致密度场等，得出最优选的锻造方案。

The multi-directional forging process of sintered pure molybdenum was numerically simulated by Deform-3D three-dimensional geometric modeling software, and the model was built using Pro-Engineering three-dimensional geometric modeling software. The Langrangian incremental form is selected to calculate the plastic deformation during the forging process. A single step is calculated by the conjugate gradient method, and direct iteration is used between calculation steps. The forging anvil is in contact with the forging, the Coulomb friction coefficient between each other is set to 0.3, the forging anvil temperature is 300 ℃, the interface heat transfer coefficient is 5 N/(sec·mm·℃), the ambient temperature is 20 ℃, and the heat convection coefficient is 0.02 N /(sec·mm ℃). In the multi-directional forging simulation process, the pure molybdenum multi-directional forging process of the cubic blank and the cylindrical blank were adjusted by continuously adjusting the parameters such as the deformation amount and the deformation temperature of each step. The stress and strain field, temperature field and density field in the forging process, etc., give the most optimal forging plan.