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High speed puncture testing of thermoplastics
Author(s) -
Furno F. J.,
Webb R. S.,
Cook N. P.
Publication year - 1964
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1964.070080107
Subject(s) - materials science , ductility (earth science) , composite material , range (aeronautics) , critical speed , strain (injury) , failure mode and effects analysis , forensic engineering , mechanical engineering , engineering , creep , medicine , rotor (electric)
An extensive study has been made of a broad range of polymeric materials, by the instrumented high speed puncture method. The range of strain rates prevalent in these tests has been related to the strain rates in parts subjected to normal abuse. It has been further demonstrated that at some critical test speed each material exhibited a load maximum which is accompanied by a change in the mode of failure and loss of ductility. This “critical speed” has been shown to be characteristic of the material under test.