摘要
对钼板材正弦廓形轧辊轧制工艺进行数值模拟,并通过正交试验优化轧制工艺参数。创建了轧辊和钼板的三维实体模型,建立了优化试验的目标函数即钼板材破坏值。正交模拟轧制试验结果表明,生产4mm厚钼板材的最佳轧制方案为:开坯轧制加热温度1 200℃,变形程度37.5%;二火一轧加热温度1 150℃,变形程度24%;二火二轧变形程度23%;三火一轧加热温度1 100℃,变形程度20%;三火二轧直接轧至4mm板厚。在此轧制工艺条件下,钼板材的破坏值可能最小。
Numerical simulation was made of molybdenum plate rolling process with sinusoidal profile rolls, and the rolling process parameters were optimized by orthogonal tests. Three-dimensional entity models of both the roll and molybdenum plate were created,and the target function of optimization tests was estab- lished i. e. destruction degree of molybdenum plate. The results from orthogonal simulation rolling tests show that the optimal rolling program for producing 4 mm thick molybdenum plate is as follows.break- down rolling heating temperature of 1 200℃ with deformation degree of 37.5%,heating temperature of 1 150℃ with deformation degree of 24% for 1st rolling after 2nd firing,deformation degree of 23% for 2nd rolling after 2nd firing,heating temperature of 1 100℃ with deformation degree of 20% for 1st roiling af- ter 3rd firing,and final plate thickness of 4 mm for 2nd rolling after 3rd firing. Under the above rolling process conditions, the destruction degree of molybdenum plate may be the minimum.
出处
《稀有金属与硬质合金》
CAS
CSCD
北大核心
2013年第3期41-45,共5页
Rare Metals and Cemented Carbides
关键词
钼板材
轧制
数值模拟
工艺参数优化
molybdenum plate
rolling
numerical simulation
technical parameter optimization
