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- The forming limit of 3A21 Aluminum alloy sheet was tested and the forming limit diagram (FLD) was determined. 通过标准成形极限实验获得3A21铝合金板材的成形极限图(FLD);
- Then,it was dissertated that the essentiality and applied outlook of the stress-based forming limit diagram(FLSD). 介绍了基于应力的成形极限判据(成形极限应力图)的应用前景;
- The mechanical properties and forming limit diagram(FLD) are measured and the microstructure of different rolling state is analysed. 测定了该钢的力学性能和成形极限图(FLD),分析了不同轧态的微观组织。
- This paper overviewed the prediction methods of forming limit in sheet metal forming, which included forming limit stress diagram, the maximum forming thinning ratio, forming limit diagram and ductile fracture criteria(DFC). 摘要对板料成形中的成形极限应力图、最大变薄率、成形极限图以及韧性断裂准则等预测成形极限的方法,进行了综述和分析。
- Zhou, Y. and K.W.Neale,“Prediction of Forming Limit Diagrams Using a Rate-sensitive Crystal Plasticity Model”, Int.J.Mech.Sci., Vol.37, pp.1-20, 1995. 庄伟伦,“应用有限元素法于板金成形极限之模拟分析”,硕士论文,成功大学机械工程研究所,1990年。
- 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
- A New Method to Predict the Left Side of the Forming Limit Diagram Based on the Finite Element Method 基于有限元仿真的左半边成形极限图建立方法
- Analysis and Calculation of a Forming Limit Diagram of the Planar Anisotropy Sheet 厚向异性薄板成形极限图的计算分析
- Keywords aluminum alloy;extrusions;uniaxial tensile tests;material property;forming limit diagram(FLD); 铝合金;型材;单向拉伸;力学性能;成形极限图;
- Keywords Sheet metal forming;Hardening model;Forming limit diagram(FLD);Forming limit stress diagram(FLSD); 板料成形;强化模型;成形极限图;成形极限应力图;
- Keywords sheet deep drawing;variable blank-holder force(VBHF);numerical simulation;forming limit diagram(FLD); 板料拉深成形;变压边力;数值模拟;成形极限图;
- Keywords sheet metal forming;forming limit diagram(FLD);HILL localized necking theory;finite element method; 板料成形;成形极限图;HILL集中失稳理论;有限元仿真;
- forming limit diagram 成形极限图
- forming limit diagram (FLD) 成形极限图
- stress forming limit diagram 应力成形极限图
- Keywords Spot welding tailored blank;Stamping formability;Capability test;Stress function;Probabilistic forming limited diagram; 点焊拼接板;冲压成形性能;性能试验;应力函数;概率化成形极限图;
- Forming Limit curves(FLCS) are constructed by two different kinds of shrinking methods in the paper. 用两种不同的双拉成形技术获取成形极限曲线。
- 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。
- 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。
- 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。