journal article·2024-09-16

Dismantling of aluminum/CFRP bonded assemblies with dismantlable adhesives containing expanded graphite

Ryoichi Furushima, Naoki Omura

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Abstract

Dismantling behavior of aluminum/carbon fiber-reinforced plastic (aluminum/CFRP) bonded assemblies using dismantlable adhesives was investigated. These adhesives contained expanded graphite (EG) to facilitate the dismantling process by inducing volume expansion during heating. Our objective was to identify the optimal additive conditions of EG, which would allow for easy dismantling while maintaining adequate adhesive strength in aluminum/CFRP bonded assemblies during regular operation. To achieve this, various experiments with adhesives containing EG of different flake sizes and volume fractions were conducted. The experimental results demonstrated that a moderate addition of fine-flake sized (140 μm) EG (5 vol%) tended to provide the desired combination of sufficient adhesive strength and ease of dismantling.
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Research context

OpenAlex topics: Nanotechnology research and applications · Additive Manufacturing and 3D Printing Technologies · Fiber-reinforced polymer composites

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

National Institute of Advanced Industrial Science and Technology (AIST), Nagoya, Japan

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