复合镍涂层薄板成形极限应力图的理论计算
Theoretical Calculation for Forming Limit Stress Diagram of Composite Nickel Coating Sheet
摘 要
基于试验测得的应力应变数据, 分别采用Hollomon方程和5次多项式拟合得到了复合镍涂层薄板应力应变的本构关系, 并采用该本构关系、Hill48屈服准则和Swift分散性失稳准则推导了复合镍涂层薄板的成形极限应力图(FLSD)的理论计算模型; 为了验证该模型的有效性, 进行了复合镍涂层薄板的冲压成形试验。结果表明: 利用该模型能够较准确地预测复合镍涂层薄板的FLSD, 将该模型应用于复合镍涂层薄板的冲压成形生产, 可以有效预防成形缺陷的产生, 并能为分析缺陷产生的原因提供理论支持和指导。
复合镍涂层薄板
多项式拟合
Swift分散性失稳准则
forming limit stress diagram (FLSD)
comoposite nickel coating sheet
polynomial fitting
Swift diffuse instability criterion
Abstract
Based on experimental stress and strain datas, the stress-strain constitutive relation of composite nickel coating sheet was calculated by using Hollomon equation and the polynomial fitting, and then by using quintic polynomial fitting constitutive relation, Hill48 yield criterion and Swift diffuse instability criterion, a thoretical calculation model for the composite nickel coating sheet′s forming limit stress diagram (FLSD) was derived. Sheet metal stamping experiment was done to verify the validity of the model of composite nickel coating sheet. The results show that the model could predict the FLSD of the composite nickel coating sheet accurately. After applying the model in production process of composite nickel coating sheet forming, some forming defects would prevented effectively, and the model could help finding the causes of these defects.
中图分类号 TG389 TH142.3
所属栏目 物理模拟与数值模拟
基金项目 国家自然科学基金资助项目(10702057)
收稿日期 2012/8/22
修改稿日期 2013/5/25
网络出版日期
作者单位点击查看
备注周里群(1965-), 男, 湖南长沙人, 教授, 博士。
引用该论文: ZHOU Li-qun,LONG Wen-bao,LI Yu-ping,MAO Zhao-ming. Theoretical Calculation for Forming Limit Stress Diagram of Composite Nickel Coating Sheet[J]. Materials for mechancial engineering, 2013, 37(10): 87～91
周里群,龙文宝,李玉平,毛昭明. 复合镍涂层薄板成形极限应力图的理论计算[J]. 机械工程材料, 2013, 37(10): 87～91
被引情况:
【1】雷泽红,涂元强,祝洪川,全 芳,张文颖,杨 杰, "板料成形极限曲线测试及NADDRG模型预测",机械工程材料 39, 102-106(2015)
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参考文献
【1】张小兵, 龙士国. 基于动力显式算法的镍镀层钢带成形模拟[J].机械工程材料, 2007, 31(12): 83-86.
【2】KEELER S P. Plastic instability and fracture in sheets stretched over rigid punches[J].ASM, 1963, 56(1): 179-187.
【3】HWANG Y M, LIN Y K, CHUANG H C. Forming limit diagrams of tubular materials by bulge tests[J].Material Process Technology, 2009, 209(7): 5024-5034.
【4】CHU E, XU Y. Influences of generalized loading parameters on FLD predictions for aluminumtube hydroforming[J].Material Process Technology, 2008, 196(1): 1-9.
【5】KLEEMOLA H J, PELKKIKANGAS M T. Effect of predeformation and strain path on the forming limits of steel, copper and brass sheet[J].Metal Ind, 1997, 63(6): 591-599.
【6】ARRIEUX R, BEDRIN C, BOIVIN M. Theoretical determination of the forming limit stress curve for isotropic sheet materials[J].Manufacturing Technology, 1989, 38(1): 261-264.
【7】谢英, 万敏, 韩非. 板料成形极限应力图研究[J].机械工程学报, 2005, 41(7): 35-39.
【8】阎启, 俞宁峰. 激光拼焊板成形极限图性能分析[J].机械工程材料, 2005, 29(5): 44-48.
【9】李玉平, 周里群. 电沉积镍涂层冲压过程的界面特性[J].机械工程材料, 2006, 30(3): 23-26.
【10】周里群.电沉积镍涂层的冲压性能与冲压成形过程分析[D].湘潭: 湘潭大学, 2004.
【11】SWIFT H W. Plastic instability under plane stress[J].Journal of the Mechanics and Physics of Solids, 1952, 1(1): 1-18.
【12】周里群, 李玉平, 龙文宝. 电沉积镍涂层的冲压成形极限右边分析与预测[J].中国机械工程, 2012, 23(2): 229-232.
【2】KEELER S P. Plastic instability and fracture in sheets stretched over rigid punches[J].ASM, 1963, 56(1): 179-187.
【3】HWANG Y M, LIN Y K, CHUANG H C. Forming limit diagrams of tubular materials by bulge tests[J].Material Process Technology, 2009, 209(7): 5024-5034.
【4】CHU E, XU Y. Influences of generalized loading parameters on FLD predictions for aluminumtube hydroforming[J].Material Process Technology, 2008, 196(1): 1-9.
【5】KLEEMOLA H J, PELKKIKANGAS M T. Effect of predeformation and strain path on the forming limits of steel, copper and brass sheet[J].Metal Ind, 1997, 63(6): 591-599.
【6】ARRIEUX R, BEDRIN C, BOIVIN M. Theoretical determination of the forming limit stress curve for isotropic sheet materials[J].Manufacturing Technology, 1989, 38(1): 261-264.
【7】谢英, 万敏, 韩非. 板料成形极限应力图研究[J].机械工程学报, 2005, 41(7): 35-39.
【8】阎启, 俞宁峰. 激光拼焊板成形极限图性能分析[J].机械工程材料, 2005, 29(5): 44-48.
【9】李玉平, 周里群. 电沉积镍涂层冲压过程的界面特性[J].机械工程材料, 2006, 30(3): 23-26.
【10】周里群.电沉积镍涂层的冲压性能与冲压成形过程分析[D].湘潭: 湘潭大学, 2004.
【11】SWIFT H W. Plastic instability under plane stress[J].Journal of the Mechanics and Physics of Solids, 1952, 1(1): 1-18.
【12】周里群, 李玉平, 龙文宝. 电沉积镍涂层的冲压成形极限右边分析与预测[J].中国机械工程, 2012, 23(2): 229-232.
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