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Forming method of super-hybrid composite material special-shaped part

A composite material and molding method technology, which is applied to molding tools, feeding devices, manufacturing tools, etc., can solve the problems of high mold cost and low efficiency, and achieve good molding results.

Pending Publication Date: 2022-05-06
BEIJING INST OF COLLABORATIVE INNOVATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For hyper-hybrid materials with a thermosetting core material, the metal layer and the thermosetting core material layer ar

Method used

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  • Forming method of super-hybrid composite material special-shaped part
  • Forming method of super-hybrid composite material special-shaped part
  • Forming method of super-hybrid composite material special-shaped part

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] A method for forming a special-shaped part of a super-hybrid composite material, comprising the following steps:

[0053] S1. According to the required shape of the cup convex special-shaped parts, cut two pieces of 6061T6 aluminum alloy plates with a side length of 17cm, a thickness of 0.2mm and a surface that has been sandblasted, and cut 4 pieces of side length according to the layup design It is 17cm basalt fiber reinforced polypropylene prepreg unidirectional tape, and then according to [0° / 90° / 90° / 0°] layup method on an aluminum alloy plate, and then with another aluminum alloy plate , put it into the molding machine after being fixed, hold it for 2 minutes under the preset molding temperature of 200 °C and the preset molding pressure of 1 MPa, and then take it out to prepare a hyperhybrid composite laminate with a thickness of 2 mm. The hyperhybrid composite The laminated board was cut into a circle with a diameter of 16 cm according to the shape required for pun...

Embodiment 2

[0056] A method for forming a special-shaped part of a super-hybrid composite material, comprising the following steps:

[0057] S1. According to the required shape of the cup convex special-shaped parts, cut two pieces of 6061T6 aluminum alloy plates with a side length of 17cm, a thickness of 0.2mm and a surface that has been sandblasted, and cut 4 pieces of side length according to the layup design It is 17cm basalt fiber reinforced polypropylene prepreg unidirectional tape, and then it is laid up on one aluminum alloy plate according to the layup method of [-45° / 0° / 45° / 90°], and then it is laminated with another aluminum alloy plate After the plate is fixed, put it into the molding machine, hold it for 2 minutes under the preset molding temperature of 200 °C and the preset molding pressure of 1 MPa, and then take it out to prepare a hyperhybrid composite laminate with a thickness of 2 mm. The hyperhybrid composite The laminated board was cut into a circle with a diameter of...

Embodiment 3

[0060] A method for forming a special-shaped part of a super-hybrid composite material, comprising the following steps:

[0061] S1. According to the required shape of the cup-convex special-shaped parts, cut two 6061T6 aluminum alloy plates with a diameter of 17cm and a thickness of 0.2mm and the surface has been sandblasted. According to the layer design, cut 16 sheets with a central angle of 45 °, fan-shaped basalt fiber reinforced polypropylene unidirectional tape prepreg with a diameter of 8.5cm, and then follow each layer according to Figure 4a ~ Figure 4d Splicing in sequence, splicing 4 pieces of basalt fiber reinforced polypropylene unidirectional tape prepregs in different directions in the same layer, the unidirectional tapes in different directions in two adjacent layers form a certain angle, lay 4 layers, and then connect with the outer surface The two aluminum alloy plates were fixed and put into the molding machine. After the preset molding temperature was 200°...

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Abstract

The invention relates to a forming method of a super-hybrid composite material special-shaped part, which comprises the following steps: S1, preparing a super-hybrid composite material laminated plate which comprises metal plates and a fiber reinforced thermoplastic composite material layer clamped between the metal plates; and S2, the super-hybrid composite material laminated plate is placed on a punching machine, a heating sleeve on the periphery of the punching machine is started to heat the punching column, the base and the super-hybrid composite material laminated plate to the set temperature, the punching column descends to punch the super-hybrid composite material laminated plate into the needed shape, and the super-hybrid composite material special-shaped part is obtained. According to the super-hybrid composite material laminated plate, the fiber reinforced thermoplastic composite material is used as the core material, the characteristics that the fiber reinforced thermoplastic composite material has good shaping and an outer metal layer can be stamped after being heated are utilized, cooperative deformation of metal, fiber and resin during stamping is achieved, existing production equipment for stamping forming of automobile parts does not need to be changed in a large area, and the production cost is reduced. And the method has a potential huge use value in the automobile lightweight field.

Description

technical field [0001] The invention relates to the technical field of forming special-shaped parts of composite materials, in particular to a method for forming special-shaped parts of super-hybrid composite materials. Background technique [0002] Hyper-hybrid composite materials refer to laminated structural composite materials composed of metal skin and continuous fiber-reinforced resin-based composite materials through a suitable process. Material. Due to the ultra-hybrid composite material has light weight, high strength, good impact resistance and surface coating performance, it has great potential application value in the field of automobile lightweight. However, in order to reduce costs and improve production efficiency of auto parts, most metal parts are stamped and formed. Due to the different moduli of the outer metal and the middle composite core layer of the hyperhybrid composite material, there is a complex interfacial relationship between the layers, and th...

Claims

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Application Information

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IPC IPC(8): B21D28/04B21D28/02B21D43/00B21D37/16B29D7/00
CPCB21D28/04B21D28/02B21D43/003B21D37/16B29D7/00Y02T50/40
Inventor 贾晶晶杨文涛曾凡顾轶卓张佐光
Owner BEIJING INST OF COLLABORATIVE INNOVATION
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