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Intelligent carbon fiber thermoplastic composite structure and manufacturing method thereof

A composite material and intelligent structure technology, applied in additive manufacturing, processing and manufacturing, manufacturing tools, etc., can solve the problem of lack of online or in-situ repair methods, achieve online in-situ self-repair of damage, improve strength, and reduce damage repair. The effect of time and cost

Active Publication Date: 2019-06-07
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In addition, when the structure is damaged, it is necessary to shut down or disassemble the relevant structural components for offline repair, and there is still a lack of effective online or in-situ repair methods

Method used

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  • Intelligent carbon fiber thermoplastic composite structure and manufacturing method thereof
  • Intelligent carbon fiber thermoplastic composite structure and manufacturing method thereof
  • Intelligent carbon fiber thermoplastic composite structure and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as figure 1 As shown, the manufacturing method of the carbon fiber thermoplastic composite smart structure of this embodiment includes the following steps:

[0033] Step 1: Calculate the printing path according to the shape and internal structure of the smart structure;

[0034] Step 2: printing the thermoplastic composite material matrix, and leaving multiple groups of channels in the matrix, each group of channels includes two channels 4 and 5 that are close to each other and extend in the same direction;

[0035] Step 3: According to the calculated path, in the printing gap of step 2, print carbon fiber on the printed thermoplastic composite material substrate, and add electrodes to the printed carbon fiber layer, a set of channels 4 and 5, carbon fiber 3 and electrodes Form a minimum unit module 2;

[0036] Step 4: After printing in step 2, inject different components of resin glue into the two channels of each group of channels, and the resin in the two chan...

Embodiment 2

[0043] In this embodiment, other steps are the same as in Embodiment 1 except that the channel sealing method is different.

[0044] The manufacturing method of the carbon fiber thermoplastic composite intelligent structure of the present embodiment comprises the following steps:

[0045] Step 1: Calculate the printing path according to the shape and internal structure of the smart structure;

[0046] Step 2: printing the thermoplastic composite material matrix, and leaving multiple groups of channels in the matrix, each group of channels includes two channels 4 and 5 that are close to each other and extend in the same direction;

[0047] Step 3: According to the calculated path, in the printing gap of step 2, print carbon fiber on the printed thermoplastic composite material substrate, and add electrodes to the printed carbon fiber layer, a set of channels 4 and 5, carbon fiber 3 and electrodes Form a minimum unit module 2;

[0048] Step 4: After printing the channels in step...

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Abstract

The invention discloses a manufacturing method of an intelligent carbon fiber thermoplastic composite structure. The manufacturing method comprises the following steps that firstly, a printing path iscalculated according to the shape and the internal structure of the intelligent structure; secondly, a thermoplastic composite base body is printed, at least one hole channel is reserved in the basebody, and each hole channel comprises two hole channels which get close to each other and extend in the same direction; thirdly, carbon fiber is printed in printing gaps in the second step on the printed thermoplastic composite base body according to the calculated path, and electrodes are added into printed carbon fiber layers; and fourthly, resin adhesives different in component are fed into thetwo hole channels of each hole channel set, and resin in the two hole channels in the same set is cured after meeting each other when the hole channels are damaged. The invention further discloses the intelligent carbon fiber thermoplastic composite structure. By means of the intelligent carbon fiber thermoplastic composite structure and the manufacturing method, self-monitoring of the state of the intelligent structure and online in-site self-repairing of the damages can be achieved.

Description

technical field [0001] The invention relates to the technical field of composite material manufacturing, in particular to a carbon fiber thermoplastic composite smart structure and a manufacturing method thereof. Background technique [0002] As a high-strength and lightweight material, carbon fiber reinforced composites are widely used in the fields of automobile industry, aerospace, chemical textile and machinery manufacturing, sports equipment and construction. The state detection of the carbon fiber reinforced composite material structure used and the correct evaluation of the actual behavior of the structure can effectively avoid the occurrence of major accidents. At present, off-line methods are mainly used for detection, such as infrared thermal image method, shock echo method, ultrasonic pulse method, etc. These methods cannot monitor the state of the structure in real time. Existing studies have shown that changes in the resistance value of carbon fibers can reflec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/10B29C64/379B33Y10/00B33Y40/00B33Y80/00
Inventor 姚鑫骅栾丛丛刘加朋刘丞哲傅建中
Owner ZHEJIANG UNIV
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