CUED Publications database

Yielding of engineering polymers at strain rates of up to 500 s-1

Kukureka, SN and Hutchings, IM (1984) Yielding of engineering polymers at strain rates of up to 500 s-1. International Journal of Mechanical Sciences, 26. pp. 617-623. ISSN 0020-7403

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Abstract

A method is described for measuring the mechanical properties of polymers in compression at strain rates in the range approximately 300-500 s-1. A gravity-driven pendulum is used to load a specimen on the end of an instrumented Hopkinson output bar and the results are processed by a microcomputer. Stress-strain curves up to high strains are presented for polycarbonate, polyethersulphone and high density polyethylene over a range of temperatures. The value of yield stress, for all three polymers, was found to vary linearly with log (strain rate) at strain rates up to 500 s-1. © 1985.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div E > Production Processes
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:59
Last Modified: 27 Nov 2014 19:24
DOI: 10.1016/0020-7403(84)90015-8