PROGRESS ON RESEARCH ON COMPOSITE-METAL ADHESIVE JOINTS

Abstract

Abstract: Adhesive bonding is one of the most appropriate method to connect two adherends in construction of composite structure. And adhesive bonded joints are used extensively in automotive and aerospace structures. Limited by the technology, composite materials can not fully replace metal, and the bonding between composite and metal becomes a critical problem. This paper analyses the characteristics of adhesive joints, including second bending, dissimilarity on stiffness and coefficient of thermal expansion between adherends and load transfer in joints. And then the methods are summarized on how to improve the mechanical strength of adhesive joints, including increasing the overlap length and width, choosing proper adhesive, surface treatment, designing of spew and adherends shape. At last, a brief prospect on the development trend of adhesive joints is proposed.

Key words: composites, metal, adhesive joints, mechanical performance, joint design

CLC Number:

TB332

WANG Shu-xin, SHANG Xin-long, JU Su, JIANG Da-zhi. PROGRESS ON RESEARCH ON COMPOSITE-METAL ADHESIVE JOINTS[J]. Fiber Reinforced Plastics/Composites, 2017, 0(11): 95-100.

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