TERMIUM Plus®

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MELT FRACTURE [1 record]

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Alphabetical list of terms

Record 1 1998-07-15

English

Subject field(s)
  • Plastics Manufacturing
DEF

An instability in the melt flow through a die, starting at the entry to the die. It leads to surface irregularities on the finished article such as a regular helix or irregularly spaced ripples.

CONT

The term "melt fracture"... refers to extrudates, produced at critical shear stress, whose shapes are distorted.... abnormal stresses in the entrance region of a capillary, cause elastic failure or shear fracture of viscoelastic fluids, resulting in distorted extrudates.

French

Domaine(s)
  • Plasturgie
DEF

Marques formées par l'immiscibilité partielle de deux courants de matière incomplètement fusionnés après leur rencontre. Elles sont provoquées par un entraînement de matière à mouler, partiellement solidifiée au contact du moule, qui a été ensuite soudée à la masse quand celle-ci a été durcie à son tour.

Spanish

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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