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research article

Ductility, recovery and strain rate dependency of an acrylic structural adhesive

Angelidi, Myrsini  
•
Vassilopoulos, Anastasios P.  
•
Keller, Thomas  
2017
Construction and Building Materials

The ductility and time-dependent recovery of a ductile acrylic adhesive were investigated in this work. The quasi-static true tensile and compressive strain behaviors were examined at different strain rates, taking large deformations into account. Yield stress, elastic modulus, and failure strain exhibited a logarithmic dependency on increasing strain rate, while yield strain and stiffness after yielding were insensitive to strain rate. High energy-based ductility indices were obtained compared to traditional materials. The time-dependent recovery after unloading depended on loading type (tension or compression), the strain rate of loading, and the strain at unloading. The delayed recovered strain development was modeled using an existing Weibull-based model for creep recovery. The strain after unloading almost fully recovered after 48 h, indicating that no residual deformation caused by damage or plastic flow occurred. (C) 2017 Elsevier Ltd. All rights reserved.

  • Details
  • Metrics
Type
research article
DOI
10.1016/j.conbuildmat.2017.02.101
Web of Science ID

WOS:000398752200020

Author(s)
Angelidi, Myrsini  
•
Vassilopoulos, Anastasios P.  
•
Keller, Thomas  
Date Issued

2017

Publisher

Elsevier

Published in
Construction and Building Materials
Volume

140

Start page

184

End page

193

Subjects

Adhesives

•

Acrylics

•

Ductility

•

Recovery

•

Strain rate

•

Viscoelasticity

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CCLAB  
Available on Infoscience
May 30, 2017
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/137863
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