Viscoplastic Behavior of Acrylic Adhesive in Butt-Joint at Various Temperatures under Complex Loading : Experimentation and Modelling

Tetsuya Yoshida; Takayuki Oishi; Michihiro Takiguchi; Fusahito Yoshida

doi:10.4028/www.scientific.net/KEM.340-341.1485

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Viscoplastic Behavior of Acrylic Adhesive in Butt-Joint at Various Temperatures under Complex Loading : Experimentation and Modelling
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Viscoplastic Behavior of Acrylic Adhesive in Butt-Joint at Various Temperatures under Complex Loading : Experimentation and Modelling

Abstract:

The effects of temperature and strain rate on flow stress of a highly ductile acrylic adhesive were investigated by performing tensile lap shear experiments on an adhesively bonded single-lap joint, as well as torsion experiments on a tubular butt-joint at temperatures ranging from 10 to 40oC at various shear strain rates. The flow stress decreases considerably with decreasing strain rate and with temperature rise. The stress-strain responses under multi-axial stress conditions were also examined by performing combined tension-torsion experiments on the butt-joint. A constitutive model of temperature-dependent elasto-viscoplasticity that describes multi-axial stress-strain behavior of the adhesive is presented.

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Periodical:

Key Engineering Materials (Volumes 340-341)

Pages:

1485-1490

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.340-341.1485

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Online since:

June 2007

Authors:

Tetsuya Yoshida, Takayuki Oishi, Michihiro Takiguchi, Fusahito Yoshida

Keywords:

Acrylic Adhesive, Adhesive Strength, Butt Joint, Combined Stress, Rate Sensitivity, Temperature-Sensitivity, Viscoplasticity

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