Electrografting of BTSE: Zn films for advanced steel-aluminum joining by plastic deformation

This article presents the application of an adhesion promoting highly crosslinked ultrathin organic-inorganic hybrid layer applied to steel which promotes the subsequent joining process based on plastic deformation. The tensile shear results show that a significant increase of the bond strength betw...

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Main Authors: B. Duderija, A. González-Orive, H.C. Schmidt, J.C. Calderón, I. Hordych, H.J. Maier, W. Homberg, G. Grundmeier
Format: Article
Language:English
Published: Elsevier 2023-06-01
Series:Journal of Advanced Joining Processes
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2666330922000462
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author B. Duderija
A. González-Orive
H.C. Schmidt
J.C. Calderón
I. Hordych
H.J. Maier
W. Homberg
G. Grundmeier
author_facet B. Duderija
A. González-Orive
H.C. Schmidt
J.C. Calderón
I. Hordych
H.J. Maier
W. Homberg
G. Grundmeier
author_sort B. Duderija
collection DOAJ
description This article presents the application of an adhesion promoting highly crosslinked ultrathin organic-inorganic hybrid layer applied to steel which promotes the subsequent joining process based on plastic deformation. The tensile shear results show that a significant increase of the bond strength between low-alloy steel (DC04) and aluminum (AW1050A H111), upon cold-pressure welding (CPW), could be achieved. Electrografting of an ultra-thin film of 1,2-bis(triethoxysilyl)ethane (BTSE) films on the steel surface was done from ethanolic solutions containing zinc ions. Based on surface spectroscopic analysis it is shown that silanol moieties present in the organosilane deposits can form stable chemical bonds with both the iron oxide covered steel and the aluminum oxide covered aluminum alloy. The successful modification of metal oxide surfaces with BTSE has been demonstrated via SEM-EDX, AFM, PM-IRRAS, and XPS measurements. In addition, electrochemical analysis of the BTSE:Zn films showed that the films lead to very good corrosion properties even at low thicknesses.
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spelling doaj.art-9ed60ae30332467b82acf1a195d2f4ee2022-12-22T03:01:06ZengElsevierJournal of Advanced Joining Processes2666-33092023-06-017100137Electrografting of BTSE: Zn films for advanced steel-aluminum joining by plastic deformationB. Duderija0A. González-Orive1H.C. Schmidt2J.C. Calderón3I. Hordych4H.J. Maier5W. Homberg6G. Grundmeier7Technical and Macromolecular Chemistry, Universität Paderborn, Warburger Str. 100, 33098, Paderborn, GermanyTechnical and Macromolecular Chemistry, Universität Paderborn, Warburger Str. 100, 33098, Paderborn, Germany; Department of Chemistry, Materials and Nanotechnology Institute, University of La Laguna, Avda. Astrofísico Francisco Sánchez s/n, 38206, San Cristóbal de La Laguna, Spain; Corresponding authors.Euscher GmbH & Co. KG, Johanneswerkstr. 22, 33611, BielefeldTechnical and Macromolecular Chemistry, Universität Paderborn, Warburger Str. 100, 33098, Paderborn, Germany; Department of Chemistry, Materials and Nanotechnology Institute, University of La Laguna, Avda. Astrofísico Francisco Sánchez s/n, 38206, San Cristóbal de La Laguna, SpainInstitut für Werkstoffkunde (Materials Science), Leibniz Universität Hannover, An der Universität 2, 30823, Garbsen, GermanyInstitut für Werkstoffkunde (Materials Science), Leibniz Universität Hannover, An der Universität 2, 30823, Garbsen, GermanyForming and Machining Technology, Universität Paderborn, Warburger Str. 100, 33098, Paderborn, GermanyTechnical and Macromolecular Chemistry, Universität Paderborn, Warburger Str. 100, 33098, Paderborn, Germany; Corresponding authors.This article presents the application of an adhesion promoting highly crosslinked ultrathin organic-inorganic hybrid layer applied to steel which promotes the subsequent joining process based on plastic deformation. The tensile shear results show that a significant increase of the bond strength between low-alloy steel (DC04) and aluminum (AW1050A H111), upon cold-pressure welding (CPW), could be achieved. Electrografting of an ultra-thin film of 1,2-bis(triethoxysilyl)ethane (BTSE) films on the steel surface was done from ethanolic solutions containing zinc ions. Based on surface spectroscopic analysis it is shown that silanol moieties present in the organosilane deposits can form stable chemical bonds with both the iron oxide covered steel and the aluminum oxide covered aluminum alloy. The successful modification of metal oxide surfaces with BTSE has been demonstrated via SEM-EDX, AFM, PM-IRRAS, and XPS measurements. In addition, electrochemical analysis of the BTSE:Zn films showed that the films lead to very good corrosion properties even at low thicknesses.http://www.sciencedirect.com/science/article/pii/S2666330922000462ElectrograftingBTSEZinc dopingCorrosion protectionAdhesion-promoting layerCold-pressure welding (CPW)
spellingShingle B. Duderija
A. González-Orive
H.C. Schmidt
J.C. Calderón
I. Hordych
H.J. Maier
W. Homberg
G. Grundmeier
Electrografting of BTSE: Zn films for advanced steel-aluminum joining by plastic deformation
Journal of Advanced Joining Processes
Electrografting
BTSE
Zinc doping
Corrosion protection
Adhesion-promoting layer
Cold-pressure welding (CPW)
title Electrografting of BTSE: Zn films for advanced steel-aluminum joining by plastic deformation
title_full Electrografting of BTSE: Zn films for advanced steel-aluminum joining by plastic deformation
title_fullStr Electrografting of BTSE: Zn films for advanced steel-aluminum joining by plastic deformation
title_full_unstemmed Electrografting of BTSE: Zn films for advanced steel-aluminum joining by plastic deformation
title_short Electrografting of BTSE: Zn films for advanced steel-aluminum joining by plastic deformation
title_sort electrografting of btse zn films for advanced steel aluminum joining by plastic deformation
topic Electrografting
BTSE
Zinc doping
Corrosion protection
Adhesion-promoting layer
Cold-pressure welding (CPW)
url http://www.sciencedirect.com/science/article/pii/S2666330922000462
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