Thermal and stress analysis of an injection-molded polystyrene ring

Polymer - Plastics Technology and Engineering

Volumn 39, Issue 1, 2000, Pages 61-81

  Kansal, Gayatri ^a   Atreya, S K ^b   Rao, P N ^c  

^a INDIRA GANDHI NATIONAL OPEN UNIVERSITY   (India)

^b INDIAN INSTITUTE OF TECHNOLOGY DELHI   (India)

^c UNIVERSITI TEKNOLOGI MARA   (Malaysia)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER AIDED DESIGN; COOLING; HEAT TRANSFER; INJECTION MOLDING; MOLTEN MATERIALS; PLASTIC MOLDS; PLASTICS MOLDING MACHINES; SHRINKAGE; STRESS ANALYSIS; TEMPERATURE; THERMAL STRESS; THERMOANALYSIS;

INJECTION MOLDED POLYSTYRENE RING; MOLD CAVITY; MOLTEN PLASTIC; THERMAL RESIDUAL STRESSES;

POLYSTYRENES;

EID: 0033704779     PISSN: 03602559     EISSN: None     Source Type: Journal    
DOI: 10.1081/PPT-100100015     Document Type: Article

References (23)

1. M. Rigdahl, Calculation of residual thermal stresses in injection moulded amorphous polymers by the finite element method, Int. J. Polym. Mater. 5, 43-57 (1976).
2. M. R. Kamal and P. G. Lafleur, Computer simulation of injection moulding, Polym. Eng. Sci., 22(17), 1066-1074 (1982).
3. Yu. Chij and J. E. Sunderland, Determination of ejection temperature and cooling time in injection moulding, Polym. Eng. Sci. 32(3), 191-197 (1992).
4. M. S. T. Jacques. An analysis of thermal warpage in injection moulded flat parts due to unbalanced cooling, Polym. Eng. Sci., 22(4), 241-246 (1982).
5. A. Boldizar and K. Josef, Measurements of cycle time in injection moulding of filled thermoplastics, Polym. Eng. Sci., 26(12), 877-885 (1986).
6. R. Y. Chang and S. Y. Chiou, A unified K-BKZ model for residual stress analysis of injection moulded three-dimensional thin shapes, Polym, Eng. Sci., 35(22), 1733-1747 (1995).
7. W. C. Bushko and V. K. Stokes, Solidification of thermoviscoelastic melts. Part II: Effects of processing conditions on shrinkage and residual stresses, Polym. Eng. Sci., 35(4), 365-383 (1995).
8. N. Santhanam, Analysis of residual stresses and post-molding deformation in injection moulded components, Ph.D. thesis, Cornell University, 1992.
9. R. Y. Chang and B. D. Tsaur, Experimental and theoretical studies of shrinkage, warpage, and sink marks of crystalline polymer injection moulded parts, Polym. Eng. Sci., 35, 1222-1230 (1995).
10. J. R. Ockendon and W. R. Hodgkins, Moving Boundary Problems in Heat Flow and Diffusion, Oxford University Press, Oxford, 1975.
11. O. C. Zienkiewicz, The Finite Element Method in Engineering Science, McGraw-Hill, New York, 1971.
12. J. A. Adams and D. F. Roger, Computer Aided Heat Transfer Analysis, McGraw-Hill, New York, 1973.
13. K. K. Tamma, B. L. Dowler, and S. B. Railkar, Computer aided applications to injection moulding transfinite/finite element thermal/stress response formulations, Polym. Eng. Sci., 28(7), 421-428 (1988).
14. S. Kenig and M. R. Kamal, Cooling moulded parts - A rigorous analysis, SPE J., 26, 50-57 (1970).
15. E. A. Mizikar, Mathematical heat transfer model for solidification of continuously cast steel slabs, Trans. Metall. Soc. AIME, 239, 1747-1753 (1967).
16. Y. Sharir, A. Grill, and J. Pelleg, Computation of Temperatures in Thin Tantalum Sheet Welding, American Society for Metals and the Metallurgical Society of AIME, 1980, Vol. II B, pp. 257-265.
17. O. Westby, Temperature distribution in the workplace by welding. Report, Marine Technology Centre, University of Trondheim, Norway (1980).
18. H. D. Brody, Needs and possibilities for process modelling research in process modelling, Proc. ASM, 27-55 (1980).
19. D. R. Croft and D. G. Lilley, Heat Transfer Calculations Using Finite Difference Equations, Applied Science Publishers, London, 1977.
20. R. O. Convery and P. P. Miller, Improved mould design by simulation of heat transfer, Plast Rubber Int., 7(3), 138-141 (1982).
21. R. J. Sarjant and M. R. Slack, Internal temperature distribution in the cooling and reheating of steel ingots, J Iron Steel Inst., 177, 428-444 (1954).
22. A. Mendelson, Plasticity: Theory and Application, Macmillan, New York, 1970, Chaps. 9 and 10.
23. J. G. Williams, Stress Analysis of Polymers, Ellis Horwood, London, 1973.