Preparation method of carbon fiber reinforced magnesium matrix composite

A composite material and carbon fiber technology, used in the preparation and application of metal matrix composite materials, can solve the problems of high cost, complex process, poor wettability of magnesium and carbon fiber, etc., and achieve accurate and detailed data, advanced technology and good interface. Effect

Active Publication Date: 2015-09-30
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The current method of processing carbon fiber magnesium matrix composites is the liquid phase impregnation method, but this method has the disadvantages of complicated process and high cost, and also has the problem of poor wettability between magnesium and carbon fiber

Method used

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  • Preparation method of carbon fiber reinforced magnesium matrix composite
  • Preparation method of carbon fiber reinforced magnesium matrix composite

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Embodiment Construction

[0093] The present invention will be further described below in conjunction with accompanying drawing:

[0094] figure 1 As shown, it is the vacuum discharge plasma sintering state diagram of the carbon fiber reinforced magnesium-based composite material. The position and connection relationship of each part must be correct, and the ratio should be adjusted according to the quantity and operated in sequence.

[0095] Quantities of the chemical substances used in the preparation are determined according to a preset range, with grams, milliliters, and millimeters as measurement units.

[0096] The preparation of carbon fiber reinforced magnesium matrix composites is carried out in a vacuum discharge plasma sintering furnace, which is completed in the process of discharge plasma heating and pressure application in a vacuum state;

[0097] The vacuum discharge plasma sintering furnace is a vertical type, the upper part of the vacuum discharge plasma sintering furnace 1 is a top s...

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Abstract

The invention relates to a preparation method of a carbon fiber reinforced magnesium matrix composite, which is implemented by taking magnesium and carbon fibers as raw materials through carrying out surface galvanization, ball-milled powder mixing, die-filling, vacuum discharge and plasma sintering, and rolling on carbon fibers so as to obtain the carbon fiber reinforced magnesium matrix composite. The preparation method is advanced in process and detailed and accurate in data, a galvanization layer on the surface of the carbon fiber can effectively improve the wettability of the carbon fiber and a magnesium matrix, the interface bonding is good, the micro-hardness of the prepared carbon fiber reinforced magnesium matrix composite is 58 HV, the bending strength is 206 MPa, and the tensile strength is 172 MPa, therefore, the method is an extremely ideal preparation method of carbon fiber reinforced magnesium matrix composites.

Description

technical field [0001] The invention relates to a method for preparing a carbon fiber-reinforced magnesium-based composite material, which belongs to the technical field of preparation and application of metal-based composite materials. Background technique [0002] Magnesium and magnesium alloys have low density, high specific strength and high specific modulus, and have good damping and shock absorption performance, electromagnetic shielding and environmental compatibility; but their own stiffness, strength, and thermal expansion coefficient are low, and they are easy to be plasticized under high temperature conditions. Deformation, poor corrosion resistance in the atmosphere, so that the application is greatly limited. [0003] Carbon fiber has excellent properties of low density, high strength, high modulus, low thermal expansion, and radiation resistance. Carbon fiber not only has the mechanical properties of carbon materials, but also has the softness and processabilit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C47/14C22C47/04C22C101/10C22C121/02
Inventor 崔泽琴郭浦山程林信韩晓强高景春王文先许并社
Owner TAIYUAN UNIV OF TECH
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