Reinforcing method for bonding performance of composite components

A composite material component and bonding technology, which is applied in the field of composite material manufacturing, can solve problems affecting the bonding performance of composite material components, affecting the personal safety of operators, and contamination of components to be bonded, so as to avoid contamination or damage to components. Damage, simplification of operation process, low interference of human factors

Inactive Publication Date: 2019-05-21
SHENYANG AEROSPACE UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above method will inevitably increase the manufacturing cost due to the use and removal of other materials; or due to the introduction of dust pollution and the use of chemical reagents in the grinding process, it is not conducive to environmental protection and affects the personal safety of operators
Moreover, many links will be interfered by human factors, which will easily cause pollution of the component to be bonded surface or damage to the component, which will affect the bonding performance of the composite component.

Method used

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  • Reinforcing method for bonding performance of composite components

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Embodiment 1

[0022] Such as figure 1 Shown is a flow chart of the method for strengthening the bonding performance of composite material components of the present invention. The method for strengthening the bonding performance of a composite material component of the present invention, the bonding of the composite material component is bonding between a cured composite material component and an uncured composite material component or between two cured composite material components Bonding or bonding between the solidified composite material component and the metal material component, is characterized in that, comprises the following steps:

[0023] Step 1: Select the cured component in the bonding of the composite material component as the component to be treated, use the furnace test piece of the component to be treated to optimize the plasma processing power, processing time and processing distance, and obtain the components suitable for processing Plasma process parameters for surface ...

Embodiment 2

[0040] The difference between this second embodiment and the above-mentioned first embodiment is that the bonding of the composite material components is composite material / metal laminate structure bonding, specifically the cured aramid fiber reinforced resin matrix composite material (914 / 5222A) component Bonding with aluminum alloy (2B06) components; in step 1, the components to be treated are cured aramid fiber-reinforced resin-based composite components and aluminum alloy components; using cured aramid fiber-reinforced resin-based composite materials The furnace test piece of the component was used to optimize the plasma treatment power, treatment time and treatment interval, and the plasma process parameters suitable for the surface activation treatment of the cured aramid fiber reinforced resin matrix composite component were obtained as treatment power 3000W, treatment The time is 10s, and the treatment interval is 3mm; the treatment power, treatment time and treatment i...

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Abstract

The invention relates to the technical field of composite manufacturing and provides a reinforcing method for bonding performance of composite components. Firstly, cured components are selected as to-be-treated components, and plasma technical parameters are optimized with a furnace test piece; then plasma technology is adopted, and uniform reciprocating surface activating treatment is conducted on to-be-bonded faces; then residual impurities are cleaned away with compressed air; then structure glue films are pasted to the to-be-bonded faces, the two to-be-bonded components are combined and sealed, and secondary bonding or bonding co-curing is completed in t h after sealing is completed; and finally a binding test piece in the same sealing system or the same vacuum channel with an integralcomponent and manufactured in the same curing process is selected to be subjected to a bonding performance test, and the reinforcing effect of the bonding performance of the composite components is evaluated. Through the reinforcing method, an operation technology can be simplified, manufacturing cost is lowered, environment is protected, personal safety risk is avoided, man-made interference islowered to the lowest, and pollution or damage to the to-be-bonded faces of the components is avoided.

Description

technical field [0001] The invention relates to the technical field of composite material manufacturing, in particular to a method for strengthening the bonding performance of composite material components. Background technique [0002] The integrated structural composite material component reduces the component manufacturing and assembly links, greatly reduces the component weight and manufacturing cost on the basis of improving the structural strength of the component, and is especially suitable for aerospace, etc. high technical field. [0003] For composite materials, considering the many risk points of co-curing technology, traditionally, secondary bonding and bonding co-curing technologies are often used to form integral structural composite components. Taking the integrated reinforced panel in the aviation field as an example, in order to improve the bonding performance between the reinforced structure (longer stringer, wall or beam, etc.) Pre-joining treatment to i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C65/48B29C71/04
Inventor 王乾贾彩霞
Owner SHENYANG AEROSPACE UNIVERSITY
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