根据动态材料模型,建立了Mo1材料的加工图。利用加工图确定了试验材料热变形的流变失稳区。结果表明,变形量<40%时,材料的流动应力变化以应变速率敏感性为主;变形量>40%时,材料的流动应力变化以温度敏感性为主。此外,获得了合理的热加工窗口,应变为0.1时,即变形刚开始的合理热加工窗口为:980~1 375℃,10~0.01s-1;应变为0.5时,即变形到一定程度后的合理热加工窗口为:900~1 270℃,0.01~1.8s-1。 According to the dynamic material model, the processing diagram of Mo1 material was established. Using the processing diagram to determine the thermal deformation of the test material rheological instability zone. The results show that when the deformation is less than 40%, the change of material flow stress is mainly based on the strain rate sensitivity. When the deformation is more than 40%, the flow stress of the material is dominated by temperature sensitivity. In addition, a reasonable thermal processing window was obtained. When the strain was 0.1, the reasonable thermal processing window at the beginning of deformation was 980 ~ 1375 ℃ and 10 ~ 0.01s-1. After the strain was 0.5, it was deformed to a certain extent The reasonable thermal processing window is: 900 ~ 1 270 ℃, 0.01 ~ 1.8s-1.