During the crystallization of thermoplastics there is a shrinkage of the material which, for the injection molding process, can be countered by imposing a compressible flow under pressure. This flow is active as long as the polymer is not crystallized. We must therefore be interested in crystallization-pressure-thermal coupling.
This approach makes it possible to correlate the non-flow criterion with a crystallization criterion. This identification is successfully tested with REM3D® software.
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