An investigation of flow characteristics considering the effect of viscosity variation in the thixoforming process

Journal of Materials Processing Technology

Volumn 103, Issue 2, 2000, Pages 237-246

  Kim, N S ^a   Kang, G G ^a  

^a Pusan National University   (South Korea)

Author keywords

Filling process; Newtonian rheology model; Ostwald deWaele rheology model; Re heating process; Thixoforming; Viscosity

Indexed keywords

AUTOMATION; BILLETS (METAL BARS); MATHEMATICAL MODELS; NEWTONIAN FLOW; NON NEWTONIAN FLOW; RHEOLOGY; VISCOSITY;

NEWTONIAN RHEOLOGY MODEL; OSTWALD-DE WAELE RHEOLOGY MODEL; THIXOFORMING;

METAL FORMING;

EID: 0033741389     PISSN: 09240136     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0924-0136(99)00441-0     Document Type: Article

References (25)

1. M.P. Kenney, J.A. Courtois et al., Semisolid metal casting and forging, Metal Handbooks, 9th Edition, Casting, ASM International, OH, USA, Vol. 15, 1998, pp. 331-336.
2. S.S. Kang, C.G. Kang, Y.J. Do, Effect of reheating conditions of semi-solid aluminum alloy on globular microstructure, J. Korean Soc. Technol. Plasticity 7 (3) (1998) 215-224.
3. A.M. Mullins, D.J. Walker, Modelling solid/fluid interactions in a dendritic semisolid, in: D.H. Kirkwood, P. Kapranos (Eds.), Fourth International Conference on Semi-Solid Processing and Composites, 19-21 June 1996, The University of Sheffield, England, 1996, pp. 104-109.
4. M.R. Barkhudarov, C.L. Bronisz, C.W. Hirt, Three-dimensional thixotropic flow model, in: D.H. Kirkwood, P. Kapranos (Eds.), Fourth International Conference on Semi-Solid Processing and Composites, 19-21 June 1996, The University of Sheffield, England, 1996, pp. 110-114.
5. C.J. Paradies, M. Rappaz, T. Imwinkelried, J.P. Gabathuler, Simulation of the pressure die casting of a thixotropic aluminum alloy, in: D.H. Kirkwood, P. Kapranos (Eds.), Fourth International Conference on Semi-Solid Processing and Composites, 19-21 June 1996, The University of Sheffield, England, 1996, pp. 115-119.
6. K. Kitamura, T. Ando, K. Hironaka, S. Yahata, C. Yoshida, Die casting of aluminum alloy in semi-solid state, in: M. Kiuchi (Ed.), Third International Conference on Semi-Solid Processing of Alloys and Composites, 13-15 June 1996, Institute of Industrial Science University of Tokyo, Japan, 1996, pp. 181-189.
7. C.P. Chen, C.-Ya. Tsao, Semi-solid deformation of A356 Al alloys, in: D.H. Kirkwood, P. Kapranos (Eds.), Fourth International Conference on Semi-Solid Processing and Composites, 19-21 June 1996, The University of Sheffield, England, 1996, pp. 16-19.
8. C.G. Kang, J.S. Choi, Effect of gate shape and forging temperature on the mechanical properties in the injection forging process of semisolid aluminum material, J. Mater. Process. Technol. 73 (1998) 251-263.
9. C.G. Kang, J.S. Choi, D.W. Kang, A filling analysis of the forging process of semi-solid aluminum materials considering solidification phenomena, J. Mater. Process. Technol. 73 (1998) 289-302.
10. C.G. Kang, B.S. Kang, J.I. Kim, An investigation of the mushy state forging process by the finite element method, J. Mater. Process. Technol. 80/81 (1998) 444-449.
11. E.J. Davies, Conduction and Induction Heating, Peter Peregrinus, London, 1990, pp. 100, 202, 222.
12. Y.C. Lee, C.G. Kang, Automatic material transfer development for application of semi-solid forging process, in: International Conference on Thermomechanical Processing of Steel and Other Materials, Australia, 1997.
13. D.B. Spencer, R. Meherabin, M.C. Flemings, Rheological behavior of Sn-15 Pet Pb in the crystallization range, Metall. Trans. 3 (1972) 1925-1935.
14. P.A. Joly, R. Meherabin, The rheology of a partially solid alloy, J. Mater. Sci. 11 (1976) 1393-1418.
15. P.A. Joly, Rheological properties and structure of a semi-solid tinlead alloy, Ph.D. Dissertation, MIT Press, Cambridge, MA, 1974, p. 78.
16. V. Laxmanan, M.C. Flemings, Deformation of semi-solid Sn-15%Pb alloy, Metall. Trans. 11A (1980) 1927-1937.
17. L.S. Turng, Rheological modelling and numerical simulation of semi-solid Sn-15%Pb alloy for net-shape die-casting process, Ph.D. Dissertation, Cornell University Press, Ithaca, NY, 1990, p. 200.
18. N.G. Henderson, A.R.A. McLelland, H.V. Atkinson, D.H. Kirkwood, High temperature rheology of novel metal matrix composites based aluminum/high silicon alloys, in: S. Brown, M.C. Flemings (Eds.), Second International Conference on Processing of Semi-Solid Alloys and Composites, 10-12 June 1992, Massachusetts Institute of Technology, Cambridge, MA, 1992, pp. 349-358.
19. W.R. Loue, M. Suery, J.L. Querbes, Microstructure and rheology of partially remelted Al-Si alloys, in: S. Brown, M.C. Flemings (Eds.), Second International Conference on Processing of Semi-Solid Alloys and Composites, 10-12 June 1992, Massachusetts Institute of Technology, Cambridge, MA, 1992, pp. 266-275.
20. C.J. Quaak, M.G. Horsten, W.H. Kool, Rheological behavior of partially solidified aluminum matrix composites, Mater. Sci. Eng. A 183 (1994) 247-256.
21. MAGMAsoft/Standard, On-line Material Library, Version 3.0.
22. C.G. Kang, D.W. Kang, Forging process analysis of semi-solid aluminum materials, in: D.H. Kirkwood, P. Kapranos (Eds.), Fourth International Conference on Semi-Solid Processing of Alloys and Composites, 19-21 June 1996, The University of Sheffield, England, 1996, pp. 142-147.
23. M. Hirai, K. Takabayashi, Y. Yoshikawa, R. Yamaguchi, Apparent viscosity of Al-10 mass% Cu semi-solid alloys, J. Iron Steel Inst. Jpn. 33 (3) (1993) 405-412.
24. I. Ohnaka, Introduction of Compute Heat and Solidification Analysis, Maruzen, Tokyo, 1985, pp. 167-208.
25. D.M. Lipinski, Private communication, MAGMA Gießereitechnologie, 1997.