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Conductive scrim embedded structural adhesive films

A technology of conductive cotton and hemp fabrics, which is applied in the direction of film/sheet adhesives, adhesives, transportation and packaging, and can solve problems such as discontinuity of shielding covers

Active Publication Date: 2010-12-08
THE BOEING CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

EMF shield discontinuity is not ideal

Method used

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  • Conductive scrim embedded structural adhesive films
  • Conductive scrim embedded structural adhesive films
  • Conductive scrim embedded structural adhesive films

Examples

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Embodiment Construction

[0022] Embodiments of the systems and methods according to the present disclosure are directed to rebuilding electrical conductance during structural repair of carbon fiber reinforced components. Many specific details of certain embodiments are described below and Figure 1-11 are given in order to provide a thorough understanding of such examples. The disclosure is capable of additional embodiments, or of being practiced without one or more of the details described below.

[0023] In general, the electrical conductance of the replacement carbon fiber plies to the carbon fiber plies of the surrounding carbon fiber reinforced elements is reestablished in accordance with embodiments of the systems and methods of the present disclosure. The present system and method embodiments also re-establish the electrical continuity of the conductive mesh embedded in the carbon fiber reinforced element. The systems and methods of the present invention are implemented via a structural adhes...

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Abstract

Systems and methods for providing a structural adhesive film that includes a conductive scrim layer are disclosed. In one embodiment, a method for producing a structural adhesive film includes providing a first resin adhesive layer. The first resin adhesive layer is configured to bind to a first carbon fiber ply. The method also includes providing a second resin adhesive layer. The second adhesive layer is configured to bind to a second carbon fiber ply. The method also includes providing a conductive scrim that is embedded between the first resin adhesive layer and the second resin adhesive layer. In some embodiments, the conductive scrim is infused with resin adhesive.

Description

technical field [0001] The present disclosure relates to systems and methods for using structural adhesives, and more particularly to systems and methods for repairing carbon fiber reinforced plastic (CFRF) components using structural adhesive films. Background technique [0002] Aircraft, such as commercial aircraft, are often subjected to lightning strikes during use. In some cases, aircraft can be struck by lightning twice a year. The metal elements on the aircraft conduct the electrical energy from the lightning strike, thus reducing the electromagnetic discharge force and minimizing any eventual unwanted effects. However, carbon fiber reinforced components such as carbon fiber reinforced plastic (CFRP) components are generally more susceptible to unwanted effects because these components are generally not electrically conductive. As a result, the electrical energy of a lightning strike can be concentrated in a small area, thus generating arcing and thermal energy with...

Claims

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Application Information

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IPC IPC(8): C09J7/00C09J7/21
CPCC09J7/0292B29C73/10C09J2400/263C09J7/04C09J7/21Y10T428/2804Y10T428/20Y10T156/109Y10T428/2848
Inventor P·K·阿克曼
Owner THE BOEING CO
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