The Mechanical Performance of Re-Bonded and Healed Adhesive Joints Activable through Induction Heating Systems

This work aims to study the healing potential properties of a reversible thermoplastic adhesive. The adhesive is activable by using induction heating systems that can induce thermal heat in the particles throughout the electromagnetic field so they can melt the adhesive for bonding or separation pro...

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Autor principal:	Raffaele Ciardiello
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	reversible adhesive joint thermoplastic adhesive healing procedure single lap joint functional adhesive Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/3d934db8d67d4d69b51af8e8d69735d0
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spelling	oai:doaj.org-article:3d934db8d67d4d69b51af8e8d69735d02021-11-11T17:55:14ZThe Mechanical Performance of Re-Bonded and Healed Adhesive Joints Activable through Induction Heating Systems10.3390/ma142163511996-1944https://doaj.org/article/3d934db8d67d4d69b51af8e8d69735d02021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6351https://doaj.org/toc/1996-1944This work aims to study the healing potential properties of a reversible thermoplastic adhesive. The adhesive is activable by using induction heating systems that can induce thermal heat in the particles throughout the electromagnetic field so they can melt the adhesive for bonding or separation procedures. The healing procedure consists of damaging single lap joint (SLJ) specimens with quasi-static and fatigue tests and then using an inductor to generate an electromagnetic field able to heat the adhesive to its melting point in order to heal the damaged SLJ specimens. SLJ tests were performed on damaged and healed specimens to assess, respectively, the residual mechanical properties of the damaged specimens and the mechanical properties after healing. SLJ tests showed that the healing procedure can completely recover the joint stiffness of the damaged adhesive joints, a huge part of the maximum shear strength and the SLJ absorbed energy. This work shows also the possibility of re-bonding completely failed or separated SLJs by using the same procedure. The mechanical properties of SLJs after healing and re-bonding are compared to the SLJ compared on virgin specimens to assess the recovered mechanical properties.Raffaele CiardielloMDPI AGarticlereversible adhesive jointthermoplastic adhesivehealing proceduresingle lap jointfunctional adhesiveTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6351, p 6351 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	reversible adhesive joint thermoplastic adhesive healing procedure single lap joint functional adhesive Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	reversible adhesive joint thermoplastic adhesive healing procedure single lap joint functional adhesive Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Raffaele Ciardiello The Mechanical Performance of Re-Bonded and Healed Adhesive Joints Activable through Induction Heating Systems
description	This work aims to study the healing potential properties of a reversible thermoplastic adhesive. The adhesive is activable by using induction heating systems that can induce thermal heat in the particles throughout the electromagnetic field so they can melt the adhesive for bonding or separation procedures. The healing procedure consists of damaging single lap joint (SLJ) specimens with quasi-static and fatigue tests and then using an inductor to generate an electromagnetic field able to heat the adhesive to its melting point in order to heal the damaged SLJ specimens. SLJ tests were performed on damaged and healed specimens to assess, respectively, the residual mechanical properties of the damaged specimens and the mechanical properties after healing. SLJ tests showed that the healing procedure can completely recover the joint stiffness of the damaged adhesive joints, a huge part of the maximum shear strength and the SLJ absorbed energy. This work shows also the possibility of re-bonding completely failed or separated SLJs by using the same procedure. The mechanical properties of SLJs after healing and re-bonding are compared to the SLJ compared on virgin specimens to assess the recovered mechanical properties.
format	article
author	Raffaele Ciardiello
author_facet	Raffaele Ciardiello
author_sort	Raffaele Ciardiello
title	The Mechanical Performance of Re-Bonded and Healed Adhesive Joints Activable through Induction Heating Systems
title_short	The Mechanical Performance of Re-Bonded and Healed Adhesive Joints Activable through Induction Heating Systems
title_full	The Mechanical Performance of Re-Bonded and Healed Adhesive Joints Activable through Induction Heating Systems
title_fullStr	The Mechanical Performance of Re-Bonded and Healed Adhesive Joints Activable through Induction Heating Systems
title_full_unstemmed	The Mechanical Performance of Re-Bonded and Healed Adhesive Joints Activable through Induction Heating Systems
title_sort	mechanical performance of re-bonded and healed adhesive joints activable through induction heating systems
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/3d934db8d67d4d69b51af8e8d69735d0
work_keys_str_mv	AT raffaeleciardiello themechanicalperformanceofrebondedandhealedadhesivejointsactivablethroughinductionheatingsystems AT raffaeleciardiello mechanicalperformanceofrebondedandhealedadhesivejointsactivablethroughinductionheatingsystems
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The Mechanical Performance of Re-Bonded and Healed Adhesive Joints Activable through Induction Heating Systems

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