Microstructure and Mechanical Properties of AZ91 Magnesium Cup Processed by a Combined Backward Extrusion and Constrained Ironing Method

Subject Areas : Mechanical Engineering

M. Khodsetan ¹ , Ghader Faraji ² , V. Tavakkoli ³ , K. Abrinia ⁴

1 - Department of Mechanical Engineering, University of Tehran, Iran
2 - Department of Mechanical Engineering, University of Tehran, Iran
3 - Department of Mechanical Engineering, University of Tehran, Iran
4 - Department of Mechanical Engineering, University of Tehran, Iran

Received: 2016-06-21 Accepted : 2016-08-07 Published : 2017-03-01

Keywords:

References:

[1]    Hosseini, S. H., Abrinia, K., and Faraji, G., “Applicability of a modified backward extrusion process on commercially pure aluminum”, Materials & Design, Vol. 65, 2015, pp. 521-528.

[2]    Fatemi-Varzaneh, S. M., Zarei-Hanzaki, A., “Accumulative back extrusion (ABE) processing as a novel bulk deformation method”, Materials Science and Engineering: A, Vol. 504, No. 1, 2009, pp. 413-420.

[3]    Farhoumand, A., Ebrahimi, R., “Analysis of forward–backward-radial extrusion process”, Materials & Design, Vol. 30, No. 6, 2009, pp. 2152-2157.

[4]    Lee, R.-S., Kwan, C. T., “A modified analysis of the backward extrusion of internally circular-shaped tubes from arbitrarily shaped billets by the upper-bound elemental technique”, Journal of Materials Processing Technology, Vol. 59, No. 4, 1996, pp. 351-3581996.

[5]    Kudo, H., “Some analytical and experimental studies of axi-symmetric cold forging and extrusion-I”, International Journal of Mechanical Sciences, Vol. 2, No. 1, 1960, pp. 102-127.

[6]    Avitzur, B., Bishop, E. D., Hahn, J. W. C., “Impact Extrusion-Upper Bound Analysis of the Early Stage”, Journal of Engineering for Industry, Vol. 94, No. 4, 1972, pp. 1079-1086.

[7]    Luo, Z. J., Avitzur, B., “Limitations of the impact extrusion process”, International Journal of Machine Tool Design and Research, Vol. 22, No. 1, 1982, pp. 41-56.

[8]    Faraji, G., Mashhadi, M. M., and Kim, H. S., “Microstructural evolution of UFG magnesium alloy produced by accumulative back extrusion (ABE)”, Materials and Manufacturing Processes, Vol. 27, No. 3, 2012, pp. 267-272.

[9]    Faraji, G., Mashhadi, M., and Kim, H., “Microstructure inhomogeneity in ultra-fine grained bulk AZ91 produced by accumulative back extrusion (ABE)”, Materials Science and Engineering: A, Vol. 528, No. 13, 2011, pp. 4312-4317.

[10] Abdolvand, H., et al., “A novel combined severe plastic deformation method for producing thin-walled ultrafine grained cylindrical tubes”, Materials Letters, Vol. 143, 2015, pp. 167-171.

[11] Faraji, G., et al., “Parallel tubular channel angular pressing (PTCAP) as a new severe plastic deformation method for cylindrical tubes”, Materials Letters, Vol. 77, 2012, pp. 82-85.

[12] Abdolvand, H., et al., “Evaluation of the microstructure and mechanical properties of the ultrafine grained thin-walled tubes processed by severe plastic deformation”, Metals and Materials International, Vol. 21, No. 6, 2015, pp. 1068-1073.

[13] Khodsetan, M., Faraji, G., and Abrinia, K., “A Novel Ironing Process with Extra High Thickness Reduction: Constrained Ironing”, Materials and Manufacturing Processes, Vol. 30, No. 11, 2015: p. 1324-1328.

[14] Faraji, G., et al., “Mechanical and Microstructural Properties of Ultrafine Grained AZ91 Magnesium Alloy Tubes Processed via Multi Pass Tubular Channel Angular Pressing (TCAP)”, Journal of Materials Science & Technology, Vol. 30, No. 2, 2013, pp. 134-138.

[15] Faraji, G., Mashhadi, M. M., and Kim, H. S., “Microstructure inhomogeneity in ultra-fine grained bulk AZ91 produced by accumulative back extrusion (ABE)”, Materials Science and Engineering: A, Vol. 528, No. 13-14, 2011, pp. 4312-4317.

[16] Gau, J. T., et al., “Using micro deep drawing with ironing stages to form stainless steel 304 micro cups”, Journal of Manufacturing Processes, Vol. 15, No. 2, 2011, pp. 298-305.

[17] Agnew, S. R., Duygulu, Ö., “Plastic anisotropy and the role of non-basal slip in magnesium alloy AZ31B”, International Journal of Plasticity, Vol. 21, No. 6, 2005, pp. 1161-1193.

[18] Fatemi-Varzaneh, S. M., Zarei-Hanzaki, A., and Beladi, H., “Dynamic recrystallization in AZ31 magnesium alloy”, Materials Science and Engineering: A, Vol. 456, No. 1, 2007, pp. 52-57.

[19] Xing, J. X. Y., Miura, H., and Sakai, T., “Mechanical Properties of Magnesium Alloy AZ31 after Severe Plastic Deformation”, Materials Transactions, Vol. 4, No. 2, 2008, pp. 69-75.

[20] Tan, J. C., Tan, M. J., “Dynamic continuous recrystallization characteristics in two stage deformation of Mg–3Al–1Zn alloy sheet”, Materials Science and Engineering: A, Vol. 339, No. 1, 2003, pp. 124-132.

[21] Faraji, G., Mashhadi, M. M., and Kim, H. S., “Tubular channel angular pressing (TCAP) as a novel severe plastic deformation method for cylindrical tubes”, Materials Letters, Vol. 65, No. 19, 2011, pp. 3009-3012. 2011.

[22] Reshadi, F., et al., “Deformation speed and temperature effects on magnesium AZ91 during tubular channel angular pressing”, Materials Science and Technology, Vol. 31, No. 15, 2015, pp. 1879-1885.

[23] Afrasiab, M., et al., “The Effects of the Multi-pass Parallel Tubular Channel Angular Pressing on the Microstructure and Mechanical Properties of the Cu–Zn Tubes”, Transactions of the Indian Institute of Metals, Vol. 68, No. 5, 2015, pp. 873-879.

[24] Chen, Y., et al., “Effects of extrusion ratio on the microstructure and mechanical properties of AZ31 Mg alloy”, Journal of Materials Processing Technology, Vol. 182, No. 1-3, 2007, pp. 281-285.

[25] Tavakkoli, V., et al., “Severe mechanical anisotropy of high-strength ultrafine grained Cu–Zn tubes processed by parallel tubular channel angular pressing (PTCAP)”, Materials Science and Engineering: A, Vol. 625, 2015, pp. 50-55. 2015.