Friction stir spot welding of 5052 aluminum alloy to carbon fiber reinforced polyether ether ketone composites

The hybrid structure composed of aluminum alloy and carbon fiber reinforced plastics could combine their advantages. In order to investigate the weldability of these two lightweight materials, the hybrid joints of 5052 aluminum alloy (AA5052) and carbon fiber reinforced polyether ether ketone compos...

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Main Authors: Honggang Dong, Zuyang Tang, Peng Li, Baosheng Wu, Xiaohu Hao, Chaoqun Ma
Format: Article
Language:English
Published: Elsevier 2021-03-01
Series:Materials & Design
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0264127521000484
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author Honggang Dong
Zuyang Tang
Peng Li
Baosheng Wu
Xiaohu Hao
Chaoqun Ma
author_facet Honggang Dong
Zuyang Tang
Peng Li
Baosheng Wu
Xiaohu Hao
Chaoqun Ma
author_sort Honggang Dong
collection DOAJ
description The hybrid structure composed of aluminum alloy and carbon fiber reinforced plastics could combine their advantages. In order to investigate the weldability of these two lightweight materials, the hybrid joints of 5052 aluminum alloy (AA5052) and carbon fiber reinforced polyether ether ketone composites (CF-PEEK) were fabricated by friction stir spot welding. The variance analysis revealed that the dwell time and plunge speed were the most significant factors. By optimizing the welding parameters, the ultimate tensile shear load reached 2690±64 N (the dwell time: 8 s, the plunge speed: 10 mm/min). The interface could be divided into pin-affected zone, shoulder-affected zone, resin adhesive zone and resin concentrated zone. Since resin concentrated zone could not provide interfacial bonding due to delamination, the shoulder-affected zone and pin-affected zone were decisive regions for mechanical properties. The bonding mechanism included three parts: adhesive bonding provided by re-solidified resin, macro-mechanical interlocking of aluminum alloy that entered CF-PEEK, and micro-mechanical interlocking of resin that was tightly trapped at surface slits as well as the carbon fibers beset into AA5052. This work clarifies the interfacial characteristics of AA5052/CF-PEEK hybrid joints and provides an approach to improve the mechanical properties.
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spelling doaj.art-0158d7514649489bae0359fad3a4c1db2022-12-21T17:21:59ZengElsevierMaterials & Design0264-12752021-03-01201109495Friction stir spot welding of 5052 aluminum alloy to carbon fiber reinforced polyether ether ketone compositesHonggang Dong0Zuyang Tang1Peng Li2Baosheng Wu3Xiaohu Hao4Chaoqun Ma5Corresponding author.; School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, PR ChinaSchool of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, PR ChinaSchool of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, PR ChinaSchool of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, PR ChinaSchool of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, PR ChinaSchool of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, PR ChinaThe hybrid structure composed of aluminum alloy and carbon fiber reinforced plastics could combine their advantages. In order to investigate the weldability of these two lightweight materials, the hybrid joints of 5052 aluminum alloy (AA5052) and carbon fiber reinforced polyether ether ketone composites (CF-PEEK) were fabricated by friction stir spot welding. The variance analysis revealed that the dwell time and plunge speed were the most significant factors. By optimizing the welding parameters, the ultimate tensile shear load reached 2690±64 N (the dwell time: 8 s, the plunge speed: 10 mm/min). The interface could be divided into pin-affected zone, shoulder-affected zone, resin adhesive zone and resin concentrated zone. Since resin concentrated zone could not provide interfacial bonding due to delamination, the shoulder-affected zone and pin-affected zone were decisive regions for mechanical properties. The bonding mechanism included three parts: adhesive bonding provided by re-solidified resin, macro-mechanical interlocking of aluminum alloy that entered CF-PEEK, and micro-mechanical interlocking of resin that was tightly trapped at surface slits as well as the carbon fibers beset into AA5052. This work clarifies the interfacial characteristics of AA5052/CF-PEEK hybrid joints and provides an approach to improve the mechanical properties.http://www.sciencedirect.com/science/article/pii/S0264127521000484Friction stir spot weldingAluminum alloyCarbon fiber reinforced polyether ether ketone compositeBonding mechanismVariance analysis
spellingShingle Honggang Dong
Zuyang Tang
Peng Li
Baosheng Wu
Xiaohu Hao
Chaoqun Ma
Friction stir spot welding of 5052 aluminum alloy to carbon fiber reinforced polyether ether ketone composites
Materials & Design
Friction stir spot welding
Aluminum alloy
Carbon fiber reinforced polyether ether ketone composite
Bonding mechanism
Variance analysis
title Friction stir spot welding of 5052 aluminum alloy to carbon fiber reinforced polyether ether ketone composites
title_full Friction stir spot welding of 5052 aluminum alloy to carbon fiber reinforced polyether ether ketone composites
title_fullStr Friction stir spot welding of 5052 aluminum alloy to carbon fiber reinforced polyether ether ketone composites
title_full_unstemmed Friction stir spot welding of 5052 aluminum alloy to carbon fiber reinforced polyether ether ketone composites
title_short Friction stir spot welding of 5052 aluminum alloy to carbon fiber reinforced polyether ether ketone composites
title_sort friction stir spot welding of 5052 aluminum alloy to carbon fiber reinforced polyether ether ketone composites
topic Friction stir spot welding
Aluminum alloy
Carbon fiber reinforced polyether ether ketone composite
Bonding mechanism
Variance analysis
url http://www.sciencedirect.com/science/article/pii/S0264127521000484
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