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Preparation process of composite material corrugated sandwich plates

A composite material and preparation technology, applied to corrugated products, applications, household appliances, etc., can solve the problems of low specific strength and specific stiffness, high production cost, long processing cycle, etc., and achieve high specific strength and specific stiffness , Low production cost and short processing cycle

Inactive Publication Date: 2010-03-10
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a kind of preparation technology of all-composite material corrugated sandwich panel, to solve the problem that the face plate and corrugated board core of the current preparation technology of corrugated sandwich panel are bonded or welded through secondary processing. The cycle is long, the production cost is high, and the current corrugated sandwich panels are made of metal materials, which have high density, low specific strength and specific stiffness, and poor designability.

Method used

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  • Preparation process of composite material corrugated sandwich plates
  • Preparation process of composite material corrugated sandwich plates

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specific Embodiment approach 1

[0007] Specific implementation mode one: combine figure 1 and figure 2 Illustrate this embodiment, the preparation process of this embodiment is finished like this: one, coat release agent; The surface of core mold is cleaned up, and is coated with release agent on core mold surface; Two, core mold positioning; The lower mold 1 of the core mold is fixed on a flat steel plate 6, and the upper mold 2 of the core mold is removed; 3. Lay the full composite material core 3; Lay the full composite material core 3 to the core mold The outer surface of the upper mold 2, and matches the shape of the upper mold 2 of the core mould; four, the full composite material core 3 is finalized; the upper mold 2 of the core mold is installed in the lower mold 1 of the core mold , that is, mold closing, so that the full composite material core 3 is finalized, and a layer of panels 4 are respectively laid on the upper surface and the lower surface of the core mold, and then heated and pressurized...

specific Embodiment approach 2

[0009] Embodiment 2: The mold in step 1 of this embodiment is a silicone rubber mold, which is beneficial for demoulding. Other method steps are the same as those in the first embodiment.

specific Embodiment approach 3

[0010] Specific implementation mode three: combination figure 1 and figure 2 To illustrate this embodiment, the all-composite material core 3 in Step 3 of this embodiment is made of 55-80 parts of reinforcing phase material and 45-20 parts of matrix material according to the weight ratio. The strength and rigidity of the all-composite material corrugated board can be guaranteed. Other method steps are the same as those in the first embodiment.

[0011] Specific implementation mode four: combination figure 1 and figure 2 To illustrate this embodiment, the all-composite material core 3 in Step 3 of this embodiment is made of 60 parts of reinforcing phase material and 40 parts of matrix material according to the ratio of parts by weight. The strength and rigidity of the all-composite material corrugated board can be guaranteed. Other method steps are the same as in the third embodiment.

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Abstract

The invention discloses a preparation process of composite material corrugated sandwich plates, relating to a preparation process of corrugated sandwich plates. The invention aims at the problems thatthe current preparation process of the corrugated sandwich plates has long process period and high manufacturing cost and the problems that the current corrugated sandwich plate is made of metal materials and has high density, low specific strength and specific stiffness, and poor designability. The technology is that the surface of a core die is coated with a release agent; the upper die of thecore die is removed; a composite material core is paved on the outer surface of the upper die of the core die and matched with the outer surface of the upper die in shape; the die is closed to lead the composite material core to be formed, and the upper surface and the lower surface of the core die are respectively paved with a layer of panel, and then heated and pressurized and solidified with the heating temperature of being 160 DEG C-180 DEG C, the solidifying pressure being 0.5MPa-1.5MPa, and the solidifying time being 2.5h-3.5h; and demoulding is conducted to prepare the composite material corrugated sandwich plate. The invention has the advantages of short process period, low manufacturing cost, low density, and high specific strength and specific stiffness, and is mainly applied tothe super-light multifunctional structures in the fields of space flight and aviation and the like.

Description

technical field [0001] The invention relates to a preparation process of a corrugated sandwich panel. Background technique [0002] The current preparation process of corrugated sandwich panels is to form the core of the corrugated plate first, and then the panel and the core of the corrugated plate are bonded or welded through secondary processing. The processing period is long and the production cost is high. Moreover, the current corrugated sandwich panels are all made of metal materials, which have high density, low specific strength and specific stiffness, and poor designability. Contents of the invention [0003] The purpose of the present invention is to provide a kind of preparation technology of all-composite material corrugated sandwich panel, to solve the problem that the panel and corrugated board core of the current corrugated sandwich panel preparation technique are bonded or welded through secondary processing, and its processing The cycle is long, the pro...

Claims

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Application Information

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IPC IPC(8): B29C70/34B29C70/54B29C33/38C08L67/06C08L63/00C08L77/00C08K7/14C08K7/06C08K7/02B29C33/58B29L16/00
Inventor 马力王兵吴标志王强
Owner HARBIN INST OF TECH
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