Improved resistance-welded joints of thermosetting composites via flame-grown carbon nanotube

被引：5
|
作者：
Cui, Xu [1 ]
Wang, Daosheng [1 ,2 ]
Wang, Shuo [1 ]
Wei, Jian [2 ]
Tian, Lin [1 ,2 ]
Deng, Yingfan [1 ,2 ]
Xiong, Xuhai [2 ]
机构：
[1] Shenyang Aerosp Univ, Civil Aviat Coll, Shenyang, Peoples R China
[2] Shenyang Aerosp Univ, Liaoning Key Lab Adv Polymer Matrix Composites, Shenyang, Peoples R China
来源：
JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY | 2021年 / 35卷 / 13期
基金：
中国国家自然科学基金;
关键词：
Carbon nanotube; resistance welding; thermosetting composites; interfacial microstructure; mechanical properties; THERMOPLASTIC COMPOSITES; FIBER; STRENGTH; SHEAR; TEMPERATURE; ADHESIVE; CURE;
D O I：
10.1080/01694243.2020.1846899
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The surface of stainless steel (SS) mesh was modified by in-situ growing carbon nanotubes (CNTs) from ethanol flame. Then the interfacial bond strength of SSM and polyetherimide (PEI) was improved by the CNTs-modified SSM, a heating element (HE) for the resistance welding of carbon fiber reinforced epoxy (CF/Epoxy) laminates. The effects of CNTs growth time (tg) on the wettability of PEI solution to SS mesh, interfacial microstructure, and mechanical properties of the welded joint were investigated. The results indicated that the addition of CNTs increased the wettability of PEI solution to SS mesh due to the capillary action of high porosity CNTs coating. The microstructure of the welded joints changed with tg. The maximum single lap shear strength (SLSS) value of the welded joint reached 24.7 MPa when tg = 10 min. The strengthening mechanism of CNTs and the failure modes of the welded joints were systematically analyzed.
引用
收藏
页码：1357 / 1371
页数：15
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