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Proceedings Paper

Strength and failure analysis of composite-to-composite adhesive bonds with different surface treatments
Author(s): Nikhil Paranjpe; Mohammed Alamir; Abdullah Alonayni; Eylem Asmatulu; Muhammad M. Rahman; Ramazan Asmatulu
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Paper Abstract

Adhesives are widely utilized materials in aviation, automotive, energy, defense, and marine industries. Adhesive joints are gradually supplanting mechanical fasteners because they are lightweight structures, thus making the assembly lighter and easier. They also act as a sealant to prevent a structural joint from galvanic corrosion and leakages. Adhesive bonds provide high joint strength because of the fact that the load is distributed uniformly on the joint surface, while in mechanical joints, the load is concentrated at one point, thus leading to stress at that point and in turn causing joint failures. This research concentrated on the analysis of bond strength and failure loads in adhesive joint of composite-to-composite surfaces. Different durations of plasma along with the detergent cleaning were conducted on the composite surfaces prior to the adhesive applications and curing processes. The joint strength of the composites increased about 34% when the surface was plasma treated for 12 minutes. It is concluded that the combination of different surface preparations, rather than only one type of surface treatment, provides an ideal joint quality for the composites.

Paper Details

Date Published: 22 March 2018
PDF: 6 pages
Proc. SPIE 10596, Behavior and Mechanics of Multifunctional Materials and Composites XII, 105961K (22 March 2018); doi: 10.1117/12.2296653
Show Author Affiliations
Nikhil Paranjpe, Wichita State Univ. (United States)
Mohammed Alamir, Wichita State Univ. (United States)
Abdullah Alonayni, Wichita State Univ. (United States)
Eylem Asmatulu, Wichita State Univ. (United States)
Muhammad M. Rahman, Wichita State Univ. (United States)
Ramazan Asmatulu, Wichita State Univ. (United States)

Published in SPIE Proceedings Vol. 10596:
Behavior and Mechanics of Multifunctional Materials and Composites XII
Hani E. Naguib, Editor(s)

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