Optimum design of process conditions to minimize residual stresses in injection-molded parts

Journal of Thermal Stresses

Volumn 21, Issue 2, 1998, Pages 141-155

  Kang, Shinill ^a   Hieber, C A ^b   Wang, K K ^b  

^a Yonsei University   (South Korea)

^b Cornell University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

INJECTION MOLDING; LEAST SQUARES APPROXIMATIONS; MATHEMATICAL MODELS; OPTIMIZATION; PRODUCT DESIGN; RESIDUAL STRESSES; RHEOLOGY; STRESS CONCENTRATION; THERMAL EFFECTS; THERMAL STRESS; VISCOELASTICITY;

INVERSE DESIGN METHOD; MODIFIED GAUSS-NEWTON METHOD;

PLASTIC PARTS;

EID: 0032019393     PISSN: 01495739     EISSN: 1521074X     Source Type: Journal    
DOI: 10.1080/01495739808956140     Document Type: Article

References (19)

1. N. Santhanam, Analysis of Residual Stresses and Post-Molding Deformation in Injection-Molded Components, Ph.D. Dissertation, Cornell University, Ithaca, New York, 1992.
2. K. M. B. Jansen and A. A. M. Flaman, The Influence of Surface Heating on the Birefringence Distribution in Injection Molded Parts, Polym. Eng. ScL, vol. 34, pp. 898-904, 1994.
3. A. I. Isayev, Orientation, Residual Stresses and Volumetric Effects in Injection Molding, in A. I, Isayev (ed.), Injection and Compression Molding Fundamentals, chap. 3, Marcel Dekker Inc, New York, 1987.
4. L. C. E. Struik, Internal Stresses, Dimensional Instabilities and Molecular Orientations in Plastics, John Wiley & Sons Ltd., Chichester, England, 1990.
5. A. I. Isayev and D. L. Crouthamel, Residual Stress Development in the Injection Molding of Amorphous Polymers, Polym. Plast. Tech. Eng., vol. 22, pp. 177-232, 1984.
6. N. Santhanam and K. K. Wang, A Theoretical and Experimental Investigation of Warpage in Injection Molding, SPE Tech. Papers, vol. 36, pp. 270-273, 1990.
7. E. H. Lee, T. G. Rogers, and T. C. Woo, Residual Stresses in a Glass Plate Cooled Symmetrically from Both Surfaces, J. Amer. Cer. Soc., vol. 48, pp. 480-487, 1965.
8. M. J. Liou and N. P. Suh, Reducing Residual Stresses in Molded Parts, Polym. Eng. ScL, vol. 29, pp. 441-447, 1989.
9. K. M. B. Jansen and A. A. M. Flaman, Construction of Fast-Response Heating Elements for Injection Molding Applications, Polym. Eng. ScL, vol. 34, pp. 894-897, 1994.
10. A. Fukushima, M Kawazu, H. Koseko, T. Haakeyama, W. Ohtani, and T. Kanematsu, Development of Ultra-Precise Injection Molding Method for Thermoplastic Lenses, SPIE Proc., vol. 1720, pp. 50-59, 1992.
11. R. H. Floersch, Microprocessor Controller for Mold Heating and Cooling, Technical communications BDX-613-3477, Allied Bendix Aerospace, 1986.
12. J. J. Hadamard, Sur Les Problèmes Aux Dérivées Partielles et Leur Signification Physique, Bull. Univ. Princeton, vol. 13, pp. 49-52, 1902.
13. S. Rang, Optimum Design of Casting Processes Using an Inuerse Methodology, Ph.D. Thesis, Cornell University, New York, 1994.
14. S. Kang and N. Zabaras, On the Optimization of Residual Stresses in a Unidirectional Casting Process, in T. S. Piwonka (ed.), Modeling of Casting Welding and Advanced Solidification Processes VI, pp. 655-662, The Minerals, Metals, & Materials Society, Palm Coast, Florida, 1993.
15. N. Zabaras and S. Kang, Thermo-mechanical Final State Design of Unidirectional Solidification Processes, J. Mater. Proc. Manufac. Sci., vol. 2, pp. 141-157, 1993.
16. J. V. Beck, B. Blackwell, and C. R. St. Clair, Inverse Heat Conduction, III Posed Problems, Wiley-Interscience, New York, 1985.
17. A. N. Tikhonov and V. Y. Arsenin, Solution of Ill-Posed Problems, V. H. Winston, Washington, D.C., 1977.
18. H. H. Chiang, C. A. Hieber, and K. K. Wang, A Unified Simulation of the Filling and Post-Filling Stages in Injection Molding, Polym. Eng. ScL, vol. 31, pp. 116-139, 1991.
19. C. A. Hieber, P. J. Wang, and K. K. Wang, Injection Molding a Center-Gated Disk: Modelling and Measurements for the Filling and Post-Filling Stages Including Gapwise Shrinkage, SPE Tech. Papers, vol. 37, pp. 259-263, 1991.