Dynamic strain rate hardening increases Z-direction stiffness during high-speed die cutting, demanding wider matrix channels to prevent crease cracking.
Viscoelastic creep in cellulosic matrices accelerates under humidity cycling, reducing long-term compression strength and requiring calibrated safety margins.
Dynamic strain rate modeling predicts multi-ply boxboard Z-direction compression and interlayer shear collapse during high-speed converting and package drops.
Dynamic tension on folder-gluers strains polypropylene film across score radii, where excessive speed triggers stress whitening and adhesive shear failure.
Resin yield stress thresholds govern score line micro-elevation profiles, where controlling matrix clearance and coat weight prevents optical edge defects.
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