| 1. | Standard test method for determining forming limit curves
测定形成限制曲线的标准试验方法 |
| 2. | Application of coordinate net analysis technology and forming limit diagram
坐标网分析技术与成形极限图的应用 |
| 3. | Fld sheet metal formability and test methods - forming limit diagram test
金属薄板成形性能与试验方法成形极限图 |
| 4. | Prediction of the forming limit in bulging of different sheet metals using a ductile fracture criterion
应用韧性断裂准则预测不同材料的胀形极限 |
| 5. | Research on 3d fem prediction of sheet metal forming limit based on ductile fracture criterion
基于延性断裂准则的板料破裂极限三维有限元预测方法研究 |
| 6. | To predict the forming limit in sheet metal forming , a ductile fracture criterion is introduced into the finite element simulation
摘要为了准确地预测板料成形极限，将韧性断裂准则引入到有限元模拟中。 |
| 7. | Comparison with experimental values shows that the present approach can predict the forming limit in bulging over a wide range of sheet metals
与实验结果比较表明，该方法能在较宽的材料范围内预测胀形成形极限。 |
| 8. | To accurately predict forming limit , a criterion to reflect material performance in essence was indispensable besides increasing the fea model accuracy
为了准确地预测成形极限，除了提高有限元模拟精度外，应找到一种本质地反映材料性能的韧性断裂准则。 |
| 9. | Then this paper pointed out that dfc could predict the forming limit of metal sheet with low plasticity well and meantime take the change of forming path into account
指出利用韧性断裂准则，不但能够较好地预测塑性差的板料成形极限，而且还能考虑应变路径的变化。 |
| 10. | In the paper , the forming limits in hemispheric punch bulging processes of aluminum alloy ly12 ( m ) , lf21 and steel stl7 are predicted by the ductile fracture criterion and calculation method of material constant advanced by the author
本文应用作者提出的韧性断裂准则及材料常数的确定方法预测了铝合金板和钢板的半球形凸模胀形的成形极限。 |
