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Erschienen in:

2018 | OriginalPaper | Buchkapitel

22. Study on the Adhesive Joint Strength of 2060-T8 Al–Li Alloy Single Lap Joint with Different Adhesives

verfasst von : Xiaohong Zhan, Cheng Gu, Hongliang Wu, Hongbing Liu, Jie Chen, Jicheng Chen, Yanhong Wei

Erschienen in: Frontiers in Materials Processing, Applications, Research and Technology

Verlag: Springer Singapore

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Abstract

Bonding structures using in the new civil aircraft Al–Li alloy have to possess the characteristics of high safety, long service life, high fatigue strength, and good damage tolerance, which lead to a higher requirements for adhesive selection. Three kinds of typical adhesives were preliminarily selected according to requirements of 2060-T8 Al–Li alloy bonding structure. They are WD1001G, EA9394, and Permabond 910. The strengths of the adhesive joints with these adhesives were, respectively, evaluated with single lap shear (SLS) tests. The appropriate adhesive and the surface morphology in the Al–Li alloy bonding structure were selected. The shear strength of 29.9 ± 0.6 MPa was achieved on surfaces using WD1001G. The maximum shear strength can only reach 5% of the base material tensile strength. Shear strength of 18.2 ± 1.8 and 5.7 ± 1.6 MPa was achieved on surfaces using EA9394 and Permabond 910. Cohesive failure occurred in all the adhesive joints after the SLS tests. Wherein, adhesive failure mainly happened in the adhesive joints using WD1001G and EA9394 as well as interface failure mainly happened in the adhesive joints using Permabond 910.

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Titel: Study on the Adhesive Joint Strength of 2060-T8 Al–Li Alloy Single Lap Joint with Different Adhesives
verfasst von: Xiaohong Zhan
Cheng Gu
Hongliang Wu
Hongbing Liu
Jie Chen
Jicheng Chen
Yanhong Wei
Verlag: Springer Singapore
Buch: Frontiers in Materials Processing, Applications, Research and Technology
Print ISBN: 978-981-10-4818-0

Electronic ISBN: 978-981-10-4819-7

Copyright-Jahr: 2018
DOI: https://doi.org/10.1007/978-981-10-4819-7_22

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