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Numerical simulations and experimental investigations of structure and the degree of crystallinity of injection molded

Date added: 2015-10-01
Type: Article

Author / authors

Elżbieta Bociąga

Elżbieta Bociąga

Technology

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Monika Kula

Monika Kula

Technology

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Paweł Palutkiewicz

Paweł Palutkiewicz

Technology

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Abstract

The aim of this work was to evaluate the effect of shear plastic into the mold cavity with a variable height on the structure and selected properties of molded parts. It was used as a special designed mold for producing test samples with varying thickness. It was shown, that the wall thickness of the molded part can significantly affect its properties, not only because of the greater volume of the amount of material, but also because of the process taking place within the the molded part during the solidification of the material. The degree of crystal-linity can be different depending on the cooling time, which may contributes to the change in strength.

Keywords / Tags

Key words: injection molding, hdpe, structure, crystallization

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