Investigation of the effect of natural micro cork particles on the creep behavior of thick shear adhesive joints
- 1Faculty of Mechanical Engineering, Sahand University of Technology
Abstract
Today, the adoption of adhesive joints in structural design has advanced significantly, enabling designers and researchers to create structures that not only enjoy long lifespans but also perform flawlessly throughout their service. One critical area of investigation is the creep behavior of these joints. In service conditions creep deformation may jeopardize joint integrity. This study focuses on the primary and secondary creep regimes that are essential for ensuring reliable performance. In this article, we examine the mechanical behavior of thick, single-layer adhesive joints subjected to shear loads while evaluating the effects of adding natural micro-particles at various weight percentages as additives. shear properties were determined using thick adhesive joint specimens made from both types of adhesives. Creep behavior was assessed through creep testing of thick shear adhesive joint (TSAJ) specimens under shear loading, comparing pure adhesive with PBMC-reinforced versions. The results indicate that incorporating just 1% by weight of micro-particles significantly enhances the creep performance of the reinforced adhesive joints compared to the pure adhesive joints and this type of joints has the lowest value of creep displacement comparing others. Moreover, a mathematical model based on the Norton-Bailey power law was used to predict the creep behavior of these joints, with the model’s formulation and its coefficients presented in detail.
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BibTeX
@article{shabani2026investigation,
title = {{Investigation of the effect of natural micro cork particles on the creep behavior of thick shear adhesive joints}},
author = {Siyavash Shabani and Bashir Behjat and Mir Amir Mobayyen and Adel Pourtaghi Marzrood},
journal = {Scientific Reports},
year = {2026},
month = aug,
doi = {10.1038/s41598-026-65853-2},
url = {https://doi.org/10.1038/s41598-026-65853-2},
note = {CC BY},
}
RIS
TY - JOUR
TI - Investigation of the effect of natural micro cork particles on the creep behavior of thick shear adhesive joints
AU - Siyavash Shabani
AU - Bashir Behjat
AU - Mir Amir Mobayyen
AU - Adel Pourtaghi Marzrood
PY - 2026
DA - 2026/08/01
JO - Scientific Reports
DO - 10.1038/s41598-026-65853-2
UR - https://doi.org/10.1038/s41598-026-65853-2
AB - Today, the adoption of adhesive joints in structural design has advanced significantly, enabling designers and researchers to create structures that not only enjoy long lifespans but also perform flawlessly throughout their service. One critical area of investigation is the creep behavior of these joints. In service conditions creep deformation may jeopardize joint integrity. This study focuses on the primary and secondary creep regimes that are essential for ensuring reliable performance. In this article, we examine the mechanical behavior of thick, single-layer adhesive joints subjected to shear loads while evaluating the effects of adding natural micro-particles at various weight percentages as additives. shear properties were determined using thick adhesive joint specimens made from both types of adhesives. Creep behavior was assessed through creep testing of thick shear adhesive joint (TSAJ) specimens under shear loading, comparing pure adhesive with PBMC-reinforced versions. The results indicate that incorporating just 1% by weight of micro-particles significantly enhances the creep performance of the reinforced adhesive joints compared to the pure adhesive joints and this type of joints has the lowest value of creep displacement comparing others. Moreover, a mathematical model based on the Norton-Bailey power law was used to predict the creep behavior of these joints, with the model’s formulation and its coefficients presented in detail.
SN - 2045-2322
ER -