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Fatigue response of ultrasonically welded carbon/Elium® thermoplastic composites
Materials Letters ( IF 3 ) Pub Date : 2020-04-01 , DOI: 10.1016/j.matlet.2020.127362
Somen K Bhudolia , Goram Gohel , Leong Kah Fai , Robert J. Barsotti

Abstract Current research aims at investigating the fatigue strength of ultrasonically welded composite joints with novel liquid acrylic thermoplastic Elium®. Fatigue response of the welded joints with integrated Energy Director (ED) and flat Elium® film was investigated and the baseline comparison was carried out with control adhesives. The results showed 10–12% higher fatigue life at 105 and 106 fatigue cycle as compared to the adhesively bonded joints. Fractographic investigation of fractured welded joints showed features such as fibre impingement and shear cusps formation which contributed to strong interfacial adhesion.

中文翻译:

超声焊接碳/Elium® 热塑性复合材料的疲劳响应

摘要 目前的研究旨在研究采用新型液态丙烯酸热塑性塑料 Elium® 超声焊接复合材料接头的疲劳强度。研究了具有集成能量导向器 (ED) 和扁平 Elium® 薄膜的焊接接头的疲劳响应,并使用对照粘合剂进行了基线比较。结果表明,与粘接接头相比,105 和 106 疲劳循环的疲劳寿命提高了 10-12%。断裂焊接接头的断口研究表明,纤维撞击和剪切尖头形成等特征有助于强界面粘附。
更新日期:2020-04-01
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