Punchless Drawing of Magnesium Alloy Sheet Under Cold Condition and  its Computation

Minoru Yamashita; Koji Kuwabara

doi:10.20965/ijat.2016.p0087

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IJAT Vol.10 No.1 pp. 87-93

doi: 10.20965/ijat.2016.p0087

(2016)

Paper:

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Punchless Drawing of Magnesium Alloy Sheet Under Cold Condition and its Computation

Minoru Yamashita and Koji Kuwabara

Department of Mechanical Engineering, Gifu University
1-1 Yanagido Gifu city, Gifu, Japan

Received:

August 11, 2015

Accepted:

November 21, 2015

Online released:

January 4, 2016

Published:

January 5, 2016

Keywords:

sheet forming, magnesium alloy, punchless forming, numerical simulation

Abstract

Shallow cup drawing of magnesium alloy AZ31-O sheet was performed under cold condition using the Maslennikov’s technique. A deformable rubber pad was used, instead of the “hard” punch, in this technique. A small die profile radius was adopted, which was twice or four-times the sheet thickness. A semisolid lubricant was used for lubrication of the blank-die interface. On the other hand, the rubber-blank interface was degreased to increase friction. A limiting drawing ratio of 1.31 was obtained in the circular cup drawing. A peculiar fracture mode appeared in which the material suddenly fractured with the crack evolution emanating from the flange periphery. In the square cup drawing, an adequate blank shape was found to be circular compared with the other ones. Numerical simulation was also conducted using dynamic explicit finite element method. Adequate setting including speed scaling enabled us to predict the accurate deformation pattern and the forming force.

Cite this article as:

M. Yamashita and K. Kuwabara, “Punchless Drawing of Magnesium Alloy Sheet Under Cold Condition and its Computation,” Int. J. Automation Technol., Vol.10 No.1, pp. 87-93, 2016.

Data files:

References

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[14] M. Yamashita, T. Hattori, and N., Nishimura, “Numerical Simulation of Sheet Metal Drawing by Maslennikov’s Technique,” J. of Materials Processing Technology, Vols.187-188, pp. 192-196, 2007.
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[19] P. Mitsomwang, S. Nagasawa, H. Kuroiwa, and Y. Fukushima, “Deformation Analysis of Silicone Rubber Sheet Subjected to Keen WC Blade Indentation,” Int. J. of Automation Technology, Vol.8, No.5, pp. 761-762, 2014.
[20] P. J. Blatz, and W. L. Ko, “Application of Finite Elastic Theory to the Deformation of Rubbery Materials,” Trans. of the Society of Rheology, Vol.6, pp. 223-251, 1962.

This article is published under a Creative Commons Attribution-NoDerivatives 4.0 Internationa License.

[1] [1] S. Sezek, V. Savas, and B. Aksakal, “Effect of Die Radius on Blank Holder Force and Drawing Ratio: A Model and Experimental Investigation,” Materials and Manufacturing Processes, Vol.25, No.7, pp. 557-564, 2010.

[2] [2] C. Chen, J. Gau, and R. Lee, “An Experimental and Analytical Study on the Limit Drawing Ratio of Stainless Steel 304 Foils for Microsheet Forming,” Materials and Manufacturing Processes, Vol.24, No.12, pp. 1256-1265, 2009.

[3] [3] L. Hu, Y. Peng, D. Li, and S. Zhang, “Influence of Dynamic Recrystallization on Tensile Properties of AZ31B Magnesium Alloy Sheet,” Materials and Manufacturing Processes, Vol.25, No.8, pp. 880-887, 2010.

[4] [4] G. Palumbo, D. Sorgente, L. Tricarico, S.H. Zhang, and W. T. Zheng, “Numerical and Experimental Investigations on the Effect of the Heating Strategy and the Punch Speed on the Warm Deep Drawing of Magnesium Alloy AZ31,” J. of Materials Processing Technology, Vol.191, Nos.1-3, pp. 342-346, 2007.

[5] [5] G. Palumbo, D. Sorgente, and L. Tricarico, “A Numerical and Experimental Investigation of AZ31 Formability at Elevated Temperatures Using a Constant Strain Rate Test,” Materials and Design, Vol.31, No.3, pp. 1308-1316, 2010.

[6] [6] Z. He, S. Yuan, G. Liu, J. Wu, and W. Cha, “Formability Testing of AZ31B Magnesium Alloy Tube at Elevated Temperature,” J. of Materials Processing Technology, Vol.210, Nos.6-7, pp. 877-884, 2010.

[7] [7] S. Kayaa, T. Altana, P. Grocheb, and C. Klopschb, “Determination of the Flow Stress of Magnesium AZ31-O Sheet at Elevated Temperatures Using the Hydraulic Bulge Test,” Int. J. of Machine Tools and Manufacture, Vol.48, No.5, pp. 550-557, 2008.

[8] [8] D. Tari, M. Worswick, J. Mckinley, and R. Bagheriasl, “AZ31 Magnesium Deep Drawing Experiments and Finite Element Simulation,” Int. J. of Material Forming, Vol.3, No.1, pp. 159-162, 2010.

[9] [9] C. Sun, S. Zhang, W. Tang, and Z. Wang, “Press Forging of Magnesium-Alloy Notebook Frame with Complex Geometry,” Materials and Manufacturing Processes, Vol.25, No.7, pp. 534-538, 2010.

[10] [10] S. Kondoh, N. Mishima, Y. Hotta, K. Watari, T. Kurita, and K. Masui, “Total Performance Analysis of Manufacturing Processes,” Int. J. of Automation Technology, Vol.3, No.1, pp. 56-62, 2009.

[11] [11] N. A. Maslennikov, “Russian Developed Punchless Drawing,” Metalworking Production, Vol.16, pp. 1417-1420, 1957.

[12] [12] M. Ramezani, and Z. M. Ripin, “A Study on High Ratio Cup Drawing by Maslennikov’s Process,” Int. J. of Advanced Manufacturing Technology, Vol.58, Nos.5-8, pp. 503-520, 2012.

[13] [13] Y. Chino, K. Sassa, and M. Mabuchi, “Texture and Stretch Formability of Mg-1.5 mass % Zn-0.2 mass % Ce Alloy Rolled at Different Rolling Temperatures,” Materials Transactions, Vol.49, No.12, pp. 2916-2918, 2008.

[14] [14] M. Yamashita, T. Hattori, and N., Nishimura, “Numerical Simulation of Sheet Metal Drawing by Maslennikov’s Technique,” J. of Materials Processing Technology, Vols.187-188, pp. 192-196, 2007.

[15] [15] N. Ogawa, M. Shiomi, and K. Osakada, “Forming Limit of Magnesium Alloy at Elevated Temperature for Precision Forging,” Int. J. of Machine and Tools Manufacture, Vol.42, No.5, pp. 607-614, 2002.

[16] [16] R. Matsumoto, T. Kubo, and K. Osakada, “Fracture of Magnesium Alloy in Cold Forging,” CIRP Annals – Manufacturing Technology, Vol.56, No.1, pp. 293-296, 2007.

[17] [17] J. O. Hallquist, “DYNA3D User’s manual Rev.5,” 1989.

[18] [18] M. Yamashita, T. Hattori, K. Yamada, and N. Nishimura, “Frictional Effect on Deformation Behavior in Incremental Sheet Forming,” Steel Research Int., Vol.81, No.9, pp. 926-29, 2010.

[19] [19] P. Mitsomwang, S. Nagasawa, H. Kuroiwa, and Y. Fukushima, “Deformation Analysis of Silicone Rubber Sheet Subjected to Keen WC Blade Indentation,” Int. J. of Automation Technology, Vol.8, No.5, pp. 761-762, 2014.

[20] [20] P. J. Blatz, and W. L. Ko, “Application of Finite Elastic Theory to the Deformation of Rubbery Materials,” Trans. of the Society of Rheology, Vol.6, pp. 223-251, 1962.