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A kind of fiber reinforced ti/al layered composite material and preparation method thereof

A layered composite material and fiber-reinforced technology, applied in the field of Ti/Al layered composite material and its preparation, can solve the problems of low mechanical properties and complex preparation process, and achieve the effects of optimized performance, simple process and convenient operation.

Inactive Publication Date: 2018-03-16
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of complex preparation process and low mechanical properties of existing layered composite materials, and provide a fiber reinforced Ti / Al layered composite material and its preparation method

Method used

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  • A kind of fiber reinforced ti/al layered composite material and preparation method thereof
  • A kind of fiber reinforced ti/al layered composite material and preparation method thereof
  • A kind of fiber reinforced ti/al layered composite material and preparation method thereof

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specific Embodiment approach 1

[0033] Embodiment 1: This embodiment is a fiber-reinforced Ti / Al layered composite material, which is composed of a layered core material and a sheath, and the sheath uses a titanium plate with a thickness of 0.5 mm to 1 mm or a thickness of 0.5 mm. Made of 0.5mm-1mm stainless steel plate; the layered core material is a titanium layer and several layers of repeated laminated units from top to bottom, and the laminated units are aluminum layers, Fiber cloth layer, aluminum layer and titanium layer.

[0034] In this embodiment, aluminum has better deformability and fluidity near the melting point temperature, and is impregnated into the carbon fiber under the action of pressure, and is combined with aluminum to form a carbon fiber-reinforced aluminum matrix composite material; at the same time, under the action of pressure, the titanium foil A solid-phase diffusion reaction occurs with the aluminum foil and is connected as a whole.

specific Embodiment approach 2

[0035]Embodiment 2: The difference between this embodiment and Embodiment 1 is that the fiber cloth layer is T700 series 3K bidirectional twill carbon fiber cloth, T700 series 3K bidirectional plain carbon fiber cloth, T700 series 6K unidirectional carbon fiber cloth, M40J Series 6K carbon fiber unidirectional woven fabric, copper-plated T700 series 3K carbon fiber plain two-way fabric, surface nickel-plated T700 series 3K carbon fiber plain two-way fabric, surface nickel-plated T700 series 6K carbon fiber unidirectional fabric, high-strength silicon carbide fiber unidirectional cloth or high-strength silicon carbide fiber two-way cloth. Other steps and parameters are the same as those in the first embodiment.

specific Embodiment approach 3

[0036] Specific implementation mode three: the difference between this implementation mode and specific implementation mode two is:

[0037] When the T700 series 3K bidirectional twill carbon fiber cloth is used as the fiber cloth layer, the fibers in the fiber cloth layers of the adjacent laminated units are arranged in a 45° cross direction;

[0038] When the T700 series 6K unidirectional carbon fiber cloth is used as the fiber cloth layer, the fiber axes in the fiber cloth layers of adjacent laminated units are arranged vertically or crossed at 45°;

[0039] When the M40J series 6K carbon fiber unidirectional woven fabric is used as the fiber cloth layer, the fibers in the fiber cloth layers of the adjacent laminated units are arranged in a cross direction at 45°;

[0040] When the nickel-plated T700 series 6K carbon fiber unidirectional cloth is used as the fiber cloth layer, the fibers in the fiber cloth layers of adjacent laminated units are arranged vertically;

[0041...

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Abstract

The invention relates to a Ti / Al laminar composite material and a preparation method thereof, in particular to a fiber-reinforced Ti / Al laminar composite material and a preparation method thereof, and aims to solve problems that preparation technologies of existing laminar composite materials are complex and mechanical properties are low. The composite material comprises a laminar core material and a sheath; the sheath is made of a Ti plate or a stainless steel plate; the laminar core material comprises a Ti layer and multiple layers of repeated laminated units sequentially from top to bottom; and the laminated units comprise an Al layer, a fiber cloth layer, an Al layer and a Ti layer sequentially from top to bottom. The preparation method comprises steps as follows: Ti foil, Al foil and fiber cloth are used as raw materials, or the Ti foil, Al-containing powder and the fiber cloth are used as raw materials, and the fiber-reinforced Ti / Al laminar composite material is prepared. The material and the method have the advantages as follows: the technology is simple, the method is convenient to operate, and the bending property ranges from 420 MPa to 510 MPa. The method is mainly used for preparing the fiber-reinforced Ti / Al laminar composite material.

Description

technical field [0001] The invention relates to a Ti / Al layered composite material and a preparation method thereof. Background technique [0002] With the rapid development of the aerospace industry, the performance requirements for high-temperature structural materials are getting higher and higher, not only high temperature resistance and oxidation resistance but also high specific strength and specific stiffness are required. Carbon fiber reinforced aluminum matrix composites are widely used in many fields represented by aerospace due to their low density, good electrical and thermal conductivity, high specific modulus, high specific strength, high temperature dimensional stability and high temperature strength. . Titanium and titanium alloys have good comprehensive properties such as low density, high specific strength, high temperature resistance, corrosion resistance, non-magnetic, sound transmission, shock resistance and vibration resistance, which open up broad app...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C47/20C22C49/02
CPCC22C47/20C22C49/02
Inventor 骆良顺韩宝帅徐严谨唐迎春罗磊李东海王亮苏彦庆郭景杰
Owner HARBIN INST OF TECH
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