A novel viscoplastic model of high-density polyethylene pipe material

Volume: 22, Issue: 2, Pages: 173 - 182
Published: Apr 1, 2015
Abstract
: A nonlinear three-component elastic viscoplastic strain-rate-dependent model was developed for a high-density polyethylene pipe material. In this model, the stress at any point is assumed to be a unique function of the instantaneous irreversible strain, its rate and acceleration, irrespective of any intermediate stress and strain history. However, a reference strain rate was assumed and below this the response was independent of the strain...
Paper Details
Title
A novel viscoplastic model of high-density polyethylene pipe material
Published Date
Apr 1, 2015
Volume
22
Issue
2
Pages
173 - 182
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