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- 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。
- The mechanics condition of ductile fracture of pressure vessel materials and their relations to the fracture criteria were investigated based on the micromechanics. 应用细观力学的观点分析了压力容器材料韧性断裂的力学条件,并考察了其与断裂参量的关系。
- 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。
- The forming limits in non-axisymmetric square-cup deep drawing of aluminum alloy LF21, LY21(M) and steel st17 are predicted by means of the ductile fracture criterion (DFC) advanced by the author. 利用作者提出的韧性断裂准则预测了铝合金板LF21;LY21(M)和钢板st17非轴对称的方盒件拉深成形极限;并与成形极限图的预测结果和实验结果进行比较.
- Experimental and Theoretical Research on Ductile Fracture Criterion 韧性断裂准则的试验与理论研究
- Suitability of some ductile fracture criteria and yield criteria in forming limit prediction 成形极限预测韧性断裂准则及屈服准则的影响
- Recent advances of research on application of ductile fracture criteria in sheet metal forming process 板料成形中韧性断裂准则应用研究进展
- Keywords ductile fracture criteria;metal forming process;material experiment;stress triaxiality;blanking test; 韧性断裂准则;金属塑性成形;材料试验;应力三轴度;冲裁试验;
- Application of ductile fracture criterion to prediction of forming limit in aluminum alloy sheet forming 基于韧性断裂准则的铝合金板材成形极限预测
- Research Progress of Meso-Damage Mechanics for Ductile Fracture Criterion in Metal Forming 金属成形中韧性断裂准则的细观损伤力学研究进展
- The application of a ductile fracture criterion to the prediction of the forming limit in quadrate-cup deep drawing 应用韧性断裂准则预测盒形件拉深成形极限
- ductile fracture criteria 韧性断裂准则
- ductile fracture criterion 韧性断裂准则
- Whereas the alloy with low Na content exhibited ductile fracture with dimples. 而钠含量较高的合金发生韧性断裂;断口为韧窝型.
- CHENG Xi, JIA Zheng-xian, TAI Wei-hau.A simple damage criterion for ductile fracture of sheet metals [J].Journal of Chang' an University(Arch and Envir Science Edition) ,2003, 20(2): 62-65. [5]程侠;贾争现;邰卫华.;一个用于预测金属板材断裂的损伤破坏准则[J]
- CHENG Xia,JIA Zheng-xian,TAI Wei-hua.A simple damage criterion for ductile fracture of sheet metals[J].Journal of Chang' an University:Architecture and Environment Science Edition,2003,20(2):62-65. [2]程侠;贾争现;邰卫华.;一个用于预测金属板材料断裂的损伤破坏准则[J]
- The fracture appearance showed that ductile fracture happened during tests at elevated temperature. 断口形貌显示,叠轧材料的高温断裂属于韧性断裂。
- GB2038- 91, Metallic materials - standard test method for JIC, a measure of ductile fracture toughness[ S]. [8]GB 2038-91;金属材料延性断裂韧度JIC试验方法[S].
- Recently, evidence of ductile fracture ahead of the tool edge in cutting OFHC copper has been shown by the authors. 最近,证据韧性断裂未来的工具边缘切割高导铜在已经证明的作者。
- The critical fracture criterion of a cylinder with V-notches on the inner surface under explosive loading is studied. 摘要以内刻V形槽战斗部圆柱壳体为研究对象,研究了其在内爆轰载荷下的临界断裂准则。