Premium
Effects of processing conditions and aging on the fracture toughness of rigid PVC pipe materials
Author(s) -
Mandell J. F.,
Darwish A. Y.,
McGarry F. J.
Publication year - 1982
Publication title -
journal of vinyl technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.295
H-Index - 35
eISSN - 1548-0585
pISSN - 0193-7197
DOI - 10.1002/vnl.730040303
Subject(s) - materials science , fracture toughness , composite material , extrusion , annealing (glass) , toughness , fracture (geology)
Results for given for the fracture toughness of rigid polyvinylchloride (PVC) pipe materials over a range of test temperatures as a function of extrusion temperature. The fracture toughness is shown to be reduced as the extrusion temperature is reduced below standard conditions. The transition temperature for valid fracture toughness tests is increased by reducing the extrusion temperature. The results of a fractographic analysis are also presented, including quantitative data for the extent of drawn, fibrillated material at the crack tip. Although annealing above T g reduces the fracture toughness relative to as‐received pipes, no significant effect of controlled physical aging could be identified.