Modelling resistance welding of thermoplastic composites with a nanocomposite heating element

被引：13
|
作者：
Brassard, David [1 ,2 ]
Dube, Martine [2 ,3 ]
Tavares, Jason R. [1 ,2 ]
机构：
[1] Polytech Montreal, Dept Chem Engn, POB 6079 Stn Ctr Ville, Montreal, PQ H3C 3A7, Canada
[2] Res Ctr High Performance Polymer & Composite Syst, Montreal, PQ, Canada
[3] Ecole Technol Super, Dept Mech Engn, Montreal, PQ, Canada
来源：
JOURNAL OF COMPOSITE MATERIALS | 2021年 / 55卷 / 05期
关键词：
Resistance welding; thermoplastic composite; finite element analysis (FEA); joints; joining; nanocomposite; OPTIMIZATION;
D O I：
10.1177/0021998320957055
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
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 reported relative to previously published results. Fractography analysis of the broken joints revealed a thin-layer cohesive failure mode due to the brittleness of the nanocomposite heating elements.
引用
收藏
页码：625 / 639
页数：15
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