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Method for modifying high-wettability coating on surface of metal-based compound material reinforcement

A composite material and high wettability technology, applied in the field of composite materials, can solve the problem of high cost, achieve the effect of improving microstructure, improving mechanical properties, and reducing minimum pressure

Inactive Publication Date: 2012-10-03
LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the high cost is also an important aspect restricting its application.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1: Surface modification of metal titanium composite coating of carbon fiber reinforced body

[0018] ① Dissolve water and nitric acid in isopropanol. The prepared solution was added dropwise to isopropyl titanate under constant stirring. The ratio of isopropyl titanate, isopropanol, water and nitric acid is 1:6:0.9:0.6. TiO was obtained after continuous stirring for 3 hours 2 Sol.

[0019] ②Put the carbon fiber under vacuum conditions for deglue heat treatment. Heat treatment temperature is 400 ℃, and keep warm for 30 minutes, then furnace cool.

[0020] ③Put the carbon fiber after degumming into TiO 2 In the sol, after oscillating for 15 minutes with an ultrasonic oscillator, the carbon fibers were taken out.

[0021] ④ Coat the surface with TiO 2 The coated carbon fiber and pure magnesium are placed in a vacuum furnace, the pure magnesium is placed at the bottom of the vacuum furnace, the reinforcement is placed on the stainless steel mesh above the pur...

Embodiment 2

[0025] Example 2: Surface modification of metal zirconium composite coating for carbon fiber reinforcement

[0026] ①Add yttrium nitrate and zirconium oxychlorate into deionized water at a molar ratio of 5:95, and stir evenly with a magnetic stirrer to obtain 5% Y 2 o 3 Stabilized ZrO 2 Sol-gel precursor solution. Slowly add anion exchange resin to 5% Y 2 o 3 Stabilized ZrO 2 In the sol-gel precursor solution, 5% Y with a pH value of 3 was obtained 2 o 3 Stabilized ZrO 2 Sol-gel.

[0027] ②Put the carbon fiber under vacuum conditions for deglue heat treatment. Heat treatment temperature is 400 ℃, and keep warm for 30 minutes, then furnace cool.

[0028] ③ Put the carbon fiber after glue removal into 5% Y 2 o 3 Stabilized ZrO 2 In the sol-gel, the carbon fiber was taken out after shaking with an ultrasonic oscillator for 15 minutes.

[0029] ④ Coat the surface with 5% Y 2 o 3 Stabilized ZrO 2 The coated carbon fiber is placed in a vacuum furnace and the vacuum ...

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Abstract

The invention discloses a method for modifying a high-wettability coating on the surface of a metal-based compound material reinforcement. The method comprises the following steps of: 1, by a common coating preparation method, forming a metal oxide coating, of which reducibility is lower than that of magnesium, on the surface of the reinforcement; 2, and placing the reinforcement coated with the metal oxide coating and pure magnesium in a vacuum furnace in a way of placing the pure magnesium on the bottom of the furnace and placing the reinforcement above the pure magnesium, vacuum-pumping the furnace, keeping the vacuum degree below 10Pa, heating the furnace to 600 to700 DEG C, and keeping the temperature for 5 to 60 minutes so as to allow the magnesium steam and the metal oxide coating on the surface of the reinforcement to undergo an oxidation-reduction reaction to generate a compound layer formed by an inner layer made of compounds and an outer layer made of reduced metal. The method has the advantages of simple and controllable process, low equipment requirements, low cost, wide application range, high mechanical and physical properties and the like.

Description

1. Technical field [0001] The invention belongs to the technical field of composite materials, and in particular relates to a method for modifying a high-wettability coating on the surface of a metal-matrix composite material reinforcement. 2. Background technology [0002] Materials are the material basis and forerunner of social progress. Higher, stricter and more requirements are put forward for the performance of materials. In many respects, traditional single materials are increasingly unable to meet actual needs. A composite material is a multiphase solid material composed of two or more substances with different physical and chemical properties. Composite materials can be designed, that is, through the selection of raw materials, the distribution of various components and the guarantee of process conditions, etc., the advantages of the original component materials can be complemented, thus showing excellent comprehensive performance. Among them, metal matrix compos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C47/04
Inventor 王文广谢禹钧张国福
Owner LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY
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