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      Modelling Post-molding Warping : Part 2 Deformation

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          Abstract

          This paper describes how to use the semi-empirical thermal expansion model, proposed in Part 1 of this paper (Fan et al., 2010), to simulate the post-molding warping of injection molded parts during the post thermal treatment. The post-molding warping of a viscoelastic ribbed plate and a fibre reinforced ribbed plate are simulated using a finite element method. The results of simulations showed that the post-molding warping due to the thermal treatment for viscoelastic ribbed plate is much larger than the de-mold warpage, in contrast to results for fibre reinforced ribbed plates.

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          Most cited references 9

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          The Use of Tensors to Describe and Predict Fiber Orientation in Short Fiber Composites

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            Thermal Expansion Coefficients of Composite Materials Based on Energy Principles

             R.A. Schapery (2016)
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              Thermoviscoelastic simulation of thermally and pressure-induced stresses in injection moulding for the prediction of shrinkage and warpage for fibre-reinforced thermoplastics

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                Author and article information

                Journal
                ipp
                International Polymer Processing
                Carl Hanser Verlag
                0930-777X
                2195-8602
                2010
                : 25
                : 1
                : 47-54
                Affiliations
                1 School of Aerospace, Mechanical and Mechatronic Engineering, University of Sydney, Sydney, NSW, Australia
                2 Monash University, Clayton, Vic., Australia
                Author notes
                Mail address: Xi-Jun Fan, School of Aerospace, Mechanical and Mechatronic Engineering, University of Sydney, Sydney, NSW, Australia. E-mail: fan@ 123456usyd.edu.au
                Article
                IPP2301
                10.3139/217.2301
                © 2010, Carl Hanser Verlag, Munich
                Page count
                References: 10, Pages: 8
                Product
                Self URI (journal page): http://www.hanser-elibrary.com/loi/ipp
                Categories
                Regular Contributed Articles

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