Shrinkage alteration induced by segregation of glass beads in injection molded PA6: Experimental analysis and modeling | Zendy

Kovács J.G. | Zendy

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Shrinkage alteration induced by segregation of glass beads in injection molded PA6: Experimental analysis and modeling

Author(s) -

Kovács J.G.

Publication year - 2011

Publication title -

polymer engineering and science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.503

H-Index - 111

eISSN - 1548-2634

pISSN - 0032-3888

DOI - 10.1002/pen.22025

Subject(s) - materials science , shrinkage , composite material , polyamide , bead , molding (decorative)

The segregation effect of glass beads along the flow path during the injection molding process was evaluated. Experiments were carried out on injection molded polyamide 6 (PA6) composites with solid glass bead (GB) depends on both the diameter and the concentration of the glass beads. A model is suggested to describe the observed variations. In addition, segregation affects the distribution of volumetric shrinkage along the flow path, playing a major role in the dimensional accuracy of the part. A model is also proposed to include the effect of glass beads segregation in shrinkage calculations. POLYM. ENG. SCI., 2011. © 2011 Society of Plastics Engineers

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