基于环形试样轴压实验、有限元模拟、回归分析和遗传算法相结合的反求方法对厚壁钛管压缩状态下的塑性材料参数进行快速识别,利用试验方法研究机床弹性变形时TA18厚壁钛管不同圆环压缩试样高度下试样鼓肚率和机床弹性变形的变化情况,并在此基础上确定了试样高度范围,获得了试验力-位移曲线.利用反求方法确定了其压缩应力应变关系,并将其应用在不同高度钛管环形试样轴压模拟中,与试验进行对比,以发现反求获得的应力-应变曲线可以较好地预测钛管轴向压缩变形行为,对压缩试样变形后最大直径和载荷的预测误差分别不超过1.5%和11%.
参考文献
[1] | A.M.L. Adib;C.A.R.P. Baptista;M.J.R. Barboza.Aircraft engine bleed system tubes: Material and failure mode analysis[J].Engineering failure analysis,20078(8):1605-1617. |
[2] | 金和喜;魏克湘;李建明;周建宇;彭文静.航空用钛合金研究进展[J].中国有色金属学报,2015(2):280-292. |
[3] | 詹梅;翟华东;杨合.低温钛合金管数控弯曲的回弹机理与补偿[J].中国有色金属学报(英文版),2012(z2):287-293. |
[4] | Kuwabara T.Advances in experiments on metal sheets and tubes in support of constitutive modeling and forming simulations[J].International Journal of Plasticity,20073(3):385-419. |
[5] | Azhikannickal E;Jain M;Bruhis M.Test methods for the determination of the stress-strain behaviour of oriented polypropylene (OPP) tubes in uniaxial compression[J].Polymer Testing,20072(2):195-201. |
[6] | 余海燕;王友.5052铝合金冲压成形过程中韧性断裂的仿真研究[J].中国有色金属学报,2015(11):2975-2981. |
[7] | 肖罡;李落星;叶拓.基于材料参数修正的6013铝合金热变形本构模型优化[J].中国有色金属学报,2014(6):1393-1400. |
[8] | 孙志超.一种确定管材塑性本构关系的反算法[J].重型机械,2000(03):43. |
[9] | LANG Li-hui;LI Tao;ZHOU Xian-bin;B. E. KRISTENSEN;J. DANCKERT;K. B. NIELSEN.Optimized constitutive equation of material property based on inverse modeling for aluminum alloy hydroforming simulation[J].中国有色金属学会会刊(英文版),2006(06):1379-1385. |
[10] | K K Pathak;C P Kotwal;S P Narayan.Reverse engineering of a hot ring compression test using FEM[J].Indian journal of engineering and materials sciences,20043(3):189-192. |
[11] | A. M. Habraken;C. Bouffioux;M. Carton;J. Lecomte-Beckers.Study of a 2024 aluminium rod produced by rotary forging[J].Journal of Materials Processing Technology,20071/3(1/3):19-26. |
[12] | Hamdi Aguir;Hedi BelHadjSalah;Ridha Hambli.Parameter identification of an elasto-plastic behaviour using artificial neural networks-genetic algorithm method[J].Materials & design,20111(1):48-53. |
[13] | 殷为洋;王琥;冯慧;汤龙.基于解耦型 GMDH 的车身材料参数反求[J].中国机械工程,2015(9):1215-1220,1221. |
[14] | R. Kapoo;D. Pal;J.K. Chakravartty.Use of artificial neural networks to predict the deformation behavior of Zr-2.5Nb-0.5Cu[J].Journal of Materials Processing Technology,20052(2):199-205. |
[15] | 李小强;何德华.基于凸模胀形试验的材料参数识别方法研究[J].中国有色金属学报(英文版),2013(5):1435-1441. |
[16] | J. Liu;H. Yang;H.W. Li;H. Li;S. Zhu.A new hybrid identification method for determining the material parameters of thin-walled tube under compressive stress state[J].Materials & design,2013Feb.(Feb.):49-58. |
[17] | Cem S. Cetinarslan.Effect of aspect ratio on barreling contour and variation of total surface area during upsetting of cylindrical specimen[J].Materials & Design,20076(6):1907-1913. |
[18] | J. Appa Rao;J. Babu Rao;Syed Kamaluddin;M.M.M. Sarcar;N.R.M.R. Bhargava.Studies on cold workability limits of pure copper using machine vision system and its finite element analysis[J].Materials & design,20096(6):2143-2151. |
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