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Volume 12
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10.3390/machines12010076
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Article

Development of a Cyclic Creep Testing Station Tailored to Pressure-Sensitive Adhesives

by
Beatriz D. Simões
1,*,
Élio M. D. Fernandes
1,
Eduardo A. S. Marques
2,
Ricardo J. C. Carbas
1,*,
Steven Maul
3,
Patrick Stihler
3,
Philipp Weißgraeber
4 and
Lucas F. M. da Silva
2
1
Institute of Science and Innovation in Mechanical and Industrial Engineering (INEGI), Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
2
Departamento de Engenharia Mecânica, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
3
Robert Bosch GmbH, Corporate Research and Advance Engineering, 71272 Renningen, Germany
4
Faculty of Mechanical Engineering and Marine Technology, University of Rostock, 18059 Rostock, Germany
*
Authors to whom correspondence should be addressed.
Machines 2024, 12(1), 76; https://doi.org/10.3390/machines12010076
Submission received: 27 December 2023 / Revised: 14 January 2024 / Accepted: 17 January 2024 / Published: 19 January 2024
(This article belongs to the Section Material Processing Technology)
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Abstract

Understanding the creep behaviour of materials is crucial in structural design, since assessing their durability and long-term performance is essential for ensuring the safety of the structures. Experimental testing allows to gather data on the creep behaviour of materials, as well as observe the damage mechanisms and dependence on environmental effects, such as stress and temperature. In this paper, the development of a cyclic creep testing station is presented. An innovative compact device is designed for testing single-lap joints using pressure-sensitive adhesives (PSAs) at different stress and temperature levels. The design is based on a mechanism that periodically supports a hanging weight resulting in an alternating load applied to the bonded joint. The assembled testing setup is validated by comparing the results of the developed machine with cyclic creep experimental data obtained with a servo-hydraulic testing machine adapted for cyclic creep. After validation, preliminary tests with one PSA at 55 °C are presented to evaluate its performance at higher temperatures. The results indicate that the developed cyclic creep machine can be used to characterise the creep behaviour of PSAs under cyclic loading.
Keywords: cyclic creep testing; pressure-sensitive adhesives; material characterisation cyclic creep testing; pressure-sensitive adhesives; material characterisation

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MDPI and ACS Style

Simões, B.D.; Fernandes, É.M.D.; Marques, E.A.S.; Carbas, R.J.C.; Maul, S.; Stihler, P.; Weißgraeber, P.; da Silva, L.F.M. Development of a Cyclic Creep Testing Station Tailored to Pressure-Sensitive Adhesives. Machines 2024, 12, 76. https://doi.org/10.3390/machines12010076

AMA Style

Simões BD, Fernandes ÉMD, Marques EAS, Carbas RJC, Maul S, Stihler P, Weißgraeber P, da Silva LFM. Development of a Cyclic Creep Testing Station Tailored to Pressure-Sensitive Adhesives. Machines. 2024; 12(1):76. https://doi.org/10.3390/machines12010076

Chicago/Turabian Style

Simões, Beatriz D., Élio M. D. Fernandes, Eduardo A. S. Marques, Ricardo J. C. Carbas, Steven Maul, Patrick Stihler, Philipp Weißgraeber, and Lucas F. M. da Silva. 2024. "Development of a Cyclic Creep Testing Station Tailored to Pressure-Sensitive Adhesives" Machines 12, no. 1: 76. https://doi.org/10.3390/machines12010076

APA Style

Simões, B. D., Fernandes, É. M. D., Marques, E. A. S., Carbas, R. J. C., Maul, S., Stihler, P., Weißgraeber, P., & da Silva, L. F. M. (2024). Development of a Cyclic Creep Testing Station Tailored to Pressure-Sensitive Adhesives. Machines, 12(1), 76. https://doi.org/10.3390/machines12010076

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