A thermoviscoelastic approach for modeling shape memory polymers

Thao D. Nguyen

doi:10.1557/proc-1190-nn01-04

A thermoviscoelastic approach for modeling shape memory polymers

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This paper presents a thermoviscoelastic model for shape memory polymers (SMPs). The model has been developed based on the hypothesis that structural and stress relaxation are the primary shape memory mechanisms of crosslinked glassy SMP, and that consideration of these mechanisms is essential for predicting the time-dependence of the shape memory response. Comparisons with experiments show that the model can reproduce the rate-dependent strain-temperature and stress-strain response of a crosslinked glassy SMP. The model also captures many important features of the temperature and time dependence of the free strain recovery and constrained stress recovery response.

Original language	English (US)
Title of host publication	Active Polymers
Publisher	Materials Research Society
Pages	19-23
Number of pages	5
ISBN (Print)	9781605111636
DOIs	https://doi.org/10.1557/proc-1190-nn01-04
State	Published - 2009
Externally published	Yes
Event	2009 MRS Spring Meeting - San Francisco, CA, United States Duration: Apr 13 2009 → Apr 17 2009

Publication series

Name	Materials Research Society Symposium Proceedings
Volume	1190
ISSN (Print)	0272-9172

Conference

Conference	2009 MRS Spring Meeting
Country/Territory	United States
City	San Francisco, CA
Period	4/13/09 → 4/17/09

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1557/proc-1190-nn01-04

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abstract = "This paper presents a thermoviscoelastic model for shape memory polymers (SMPs). The model has been developed based on the hypothesis that structural and stress relaxation are the primary shape memory mechanisms of crosslinked glassy SMP, and that consideration of these mechanisms is essential for predicting the time-dependence of the shape memory response. Comparisons with experiments show that the model can reproduce the rate-dependent strain-temperature and stress-strain response of a crosslinked glassy SMP. The model also captures many important features of the temperature and time dependence of the free strain recovery and constrained stress recovery response.",

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AB - This paper presents a thermoviscoelastic model for shape memory polymers (SMPs). The model has been developed based on the hypothesis that structural and stress relaxation are the primary shape memory mechanisms of crosslinked glassy SMP, and that consideration of these mechanisms is essential for predicting the time-dependence of the shape memory response. Comparisons with experiments show that the model can reproduce the rate-dependent strain-temperature and stress-strain response of a crosslinked glassy SMP. The model also captures many important features of the temperature and time dependence of the free strain recovery and constrained stress recovery response.

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BT - Active Polymers

PB - Materials Research Society

T2 - 2009 MRS Spring Meeting

Y2 - 13 April 2009 through 17 April 2009

ER -

A thermoviscoelastic approach for modeling shape memory polymers

Abstract

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Conference

ASJC Scopus subject areas

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