基于塑性本构关系和Hosfrod屈服准则,当拼焊板焊缝及热影响区金属的弹塑性力学性能已知时,提出一种获得拼焊板成形极限图的理论计算方法.建立获取拼焊板成形极限图的半球凸模胀形物理实验模型,并将物理实验结果与理论计算结果进行对比分析.研究结果表明:拼焊板及其母材成形极限图的理论计算结果与物理实验结果吻合较好;拼焊板的成形极限明显低子母材,说明拼焊板与母材相比,成形性能降低.该理论计算模型为快速准确获得拼焊板的成形极限图提供了一种方法.
参考文献
| [1] | Marion Merklein;Maren Johannes;Michael Lechner;Andreas Kuppert.A review on tailored blanks-Production, applications and evaluation[J].Journal of Materials Processing Technology,20142(2):151-164. |
| [2] | Ketabchi, M.;Ramazani, A.;Abbasi, M.;Prahl, U..Investigation into the effects of weld zone and geometric discontinuity on the formability reduction of tailor welded blanks[J].Computational Materials Science,20120(0):158-164. |
| [3] | K. Veera Babu;R. Ganesh Narayanan;G. Saravana Kumar.An expert system for predicting the deep drawing behavior of tailor welded blanks[J].Expert Systems with Application,201012(12):7802-7812. |
| [4] | Ugur Koklu.Investigation into the formability of Al-1050 tailor-welded blanks with antilock braking system[J].The International Journal of Advanced Manufacturing Technology,20131/4(1/4):221-229. |
| [5] | 刘建光;薛卫.AA5052/聚乙烯/AA5052复合层板的成形性[J].中国有色金属学报（英文版）,2013(4):964-969. |
| [6] | Lee, Wonoh;Chung, Kyung-Hwan;Kim, Daeyong;Kim, Junehyung;Kim, Chongmin;Okamoto, Kazutaka;Wagoner, R. H.;Chung, Kwansoo.Experimental and numerical study on formability of friction stir welded TWB sheets based on hemispherical dome stretch tests[J].International Journal of Plasticity,20099(9):1626-1654. |
| [7] | Sadok Gaied;Jean-Marc Roelandt;Fabrice Pinard;Francis Schmit;Mikhael Balabane.Experimental and numerical assessment of Tailor-Welded Blanks formability[J].Journal of Materials Processing Technology,20091(1):387-395. |
| [8] | Bandyopadhyay, K.;Basak, S.;Panda, S. K.;Saha, P..Use of stress based forming limit diagram to predict formability in two-stage forming of tailor welded blanks[J].Materials & design,2015Feb.(Feb.):558-570. |
| [9] | M. S. Mohebbi;A. Akbarzadeh.Prediction of formability of tailor welded blanks by modification of MK model[J].International Journal of Mechanical Sciences,20121(1):44-51. |
| [10] | K.Abdullah;P.M.Wild;J.J.Jeswiet.Tensile testing for weld deformation properties in similar gage tailor welded blanks using the rule of mixtures[J].Journal of Materials Processing Technology,20011(1):91-97. |
| [11] | Zorzi, J.E.;Perottoni, C.A..Estimating Young's modulus and Poisson's ratio by instrumented indentation test[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2013:25-30. |
| [12] | T. A. Venkatesh;K. J. V. Vliet.DETERMINATION OF ELASTO-PLASTIC PROPERTIES BY INSTRUMENTED SHARP INDENTATION: GUIDELINES FOR PROPERTY EXTRACTION[J].Scripta materialia,20009(9):833-839. |
| [13] | Giannakopoulos AE;Suresh S.Determination of elastoplastic properties by instrumented sharp indentation[J].Scripta materialia,199910(10):1191-1198. |
| [14] | S.Suresh;A.E.Glannakopoulos.A new method for estimating residual stresses by instrumented sharp indentation[J].Acta materialia,199816(16):5755-5768. |
| [15] | Y. L. Song;L Hua;F. Z. Meng.Inhomogeneous constructive modelling of laser welded bead based on nanoindentation test[J].Ironmaking & Steelmaking: Products and applications,20122(2):95-102. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%