2020
DOI: 10.1177/0021998320957055
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Modelling resistance welding of thermoplastic composites with a nanocomposite heating element

Abstract: Electrically conductive nanocomposite heating elements are being developed as a complement to traditional carbon fibre or stainless steel heating elements in resistance welding of thermoplastic composites. Here we present the development of a finite element model of the resistance welding process with these new heating elements, from which we establish a process window for high quality welded joints. The finite element model results were validated experimentally and a lap shear strength improvement of 28% is r… Show more

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Cited by 14 publications
(7 citation statements)
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“…MWCNT loading ratios equal to 15 wt.%, 20 wt.%, and 25 wt.% were purchased from Cheap Tubes Inc (Brattleboro, VT, USA). Those specific ratios were selected based on preliminary Joule heating experiments, previous work demonstrating suitability for ultrasonic welding [ 36 , 37 ] and literature on high content CNT-based polymer films for sensing, self-heating and resistance welding [ 38 , 39 , 44 , 45 ].…”
Section: Materials and Experimental Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…MWCNT loading ratios equal to 15 wt.%, 20 wt.%, and 25 wt.% were purchased from Cheap Tubes Inc (Brattleboro, VT, USA). Those specific ratios were selected based on preliminary Joule heating experiments, previous work demonstrating suitability for ultrasonic welding [ 36 , 37 ] and literature on high content CNT-based polymer films for sensing, self-heating and resistance welding [ 38 , 39 , 44 , 45 ].…”
Section: Materials and Experimental Methodsmentioning
confidence: 99%
“…Nanocomposite-based heating elements were recently developed and successfully used for the resistance welding of TPCs, notably by Brassard et al [ 38 , 39 ]. MWCNT/PEI nanocomposite films with weight fractions up to 15 wt.% led to an electrical conductivity of 0.92 S/cm.…”
Section: Introductionmentioning
confidence: 99%
“…Literature review revealed that although there are extensive number of studies 2-21 on the ultrasonic welding and induction welding, the number of the studies on resistance welding are rather limited; [22][23][24][25][26][27][28][29][30][31][32] being especially on the heat transfer modelling of parameters and effects of interlayer form, as summarized below.…”
Section: Introductionmentioning
confidence: 99%
“…As previously stated, there are limited studies focused on the SHM of welded TPC joints, especially for nanocomposite-based sensing. Farahani et al 37 and Brassard et al 38 investigated the development of susceptor films for induction welding and heating elements for resistance welding containing nanoparticles (silver particles and MWCNTs). Generally, this led to good weld quality but could have a negative effect on lap shear strength (LSS).…”
Section: ■ Introductionmentioning
confidence: 99%