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Titanium alloy, diatomite and barium ferric oxide composite material and preparation method thereof

A technology of barium iron oxide and composite material, applied in the field of metal materials, can solve problems such as poor wave absorbing performance

Active Publication Date: 2010-11-10
常熟紫金知识产权服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this material is poor absorbing performance

Method used

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  • Titanium alloy, diatomite and barium ferric oxide composite material and preparation method thereof
  • Titanium alloy, diatomite and barium ferric oxide composite material and preparation method thereof
  • Titanium alloy, diatomite and barium ferric oxide composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The preparation method of titanium alloy base diatomite barium iron oxide composite material of the present invention, it comprises the following steps:

[0028] a. Preparation of diatomaceous earth iron oxide barium complex:

[0029] 1. Dissolve ferric chloride, barium nitrate and citric acid in a weight ratio of 1:5:5 and add a small amount of water to form a mixed solution of the three, then put them into diatomite, stir in a water bath at 80°C for 10-20min, silicon The size of the diatomaceous earth is 0.5mm, and the weight ratio of the three mixed solutions to the diatomite is 5:1. After the stirring is completed, place the stirred material in an oven at 120°C for 30 minutes and cool it naturally, and then put it in a 550-590 In an oven at ℃, keep warm for 30 minutes and then cool naturally to obtain diatomite barium iron oxide compound;

[0030] 2. Then put ferric chloride and ammonium ferrous sulfate into a hydrothermal container with Teflon lining, add water to...

Embodiment 2

[0035] a. Preparation of diatomaceous earth iron oxide barium complex:

[0036] First add ferric chloride, barium nitrate and citric acid in a weight ratio of 1:10:20 and add a small amount of water to form a solution, and the weight ratio of the solution to diatomite is 10:1 to obtain diatomite iron oxide barium complex. Diatomaceous earth has a size of 0.5-1mm.

[0037] Then ferric chloride, ferrous ammonium sulfate and diatomaceous earth iron oxide barium compound obtained above are formulated in a weight ratio of 1:1:2.

[0038] b. Preparation of titanium alloy liquid: the weight percentage of the chemical composition of the titanium alloy matrix: Al is 8%, Ta is 0.005%, Si is 1%, and the rest is Ti; it is melted into alloy liquid at about 1710°C;

[0039] The preparation process is the same as that in Example 1. During the preparation process, the volume percentage of the diatomite barium iron oxide compound in the composite material is controlled to be 45%.

Embodiment 3

[0041] a. Preparation of diatomaceous earth iron oxide barium complex:

[0042] First, the weight ratio of ferric chloride, barium nitrate and citric acid is 1:7:15, and a small amount of water is added to form a solution, and the weight ratio of the solution and diatomite is 7:1 to obtain diatomite barium iron oxide complex. Diatomaceous earth has a size of 0.7 mm.

[0043] Then ferric chloride, ammonium ferrous sulfate and the diatomaceous earth iron oxide barium compound obtained in the previous step are in a weight ratio of 1:1:1.5.

[0044]b. Preparation of titanium alloy solution: Al is 5% by weight, Ta is 0.003%, Si is 0.8%, and the rest is Ti for batching, and is melted into alloy solution at about 1700°C;

[0045] The preparation process is the same as that in Example 1. During the preparation process, the volume percentage of the diatomite barium iron oxide compound in the composite material is controlled to be 55%.

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Abstract

The invention provides a titanium alloy, diatomite and barium ferric oxide composite material and a preparation method thereof. The composite material has high absorbing property and excellent damping property. The preparation method is simple in process, low in production cost and suitable for industrialized production. The composite material takes the titanium alloy as the matrix and diatomite and barium ferric oxide compounds are distributed on the matrix. The diatomite and barium ferric oxide compounds account for 45-55% of the composite material by volume. The particle size of the diatomite and barium ferric oxide compounds is 0.5-1mm. The titanium alloy matrix comprises the following chemical components in percentage by weight: 3-8% of Al, 0.001-0.005% of Ta, 0.5-1% of Si and the balance Ti. The diatomite and barium ferric oxide compounds are formed in such a manner that barium ferric oxide penetrates into the pores of the diatomite and a layer of film is formed on the wall surfaces of the pores.

Description

1. Technical field [0001] The invention belongs to the field of metal materials, and relates to a titanium alloy diatomite barium iron oxide wave-absorbing and vibration-damping composite material and a preparation method thereof. 2. Background technology [0002] At present, in the field of materials, the absorbing and damping effect of materials has been paid attention to. [0003] CN200410023374.1 relates to an aluminum-based wave-absorbing material and its preparation method, which is characterized in that: the surface layer of an aluminum or aluminum alloy plate is formed by a one-step or two-step anodic oxidation method of direct current or alternating current to form a porous aluminum oxide film to form an aluminum-based porous oxide film Aluminum template, that is, AAO template; use DC or pulse current electrochemical deposition to assemble magnetic nano-metal wire arrays in aluminum-based AAO porous membranes to make aluminum-based absorbing materials for in-situ as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C32/00C22C14/00C22C1/10C22C1/04
Inventor 赵浩峰王玲陶诏灵
Owner 常熟紫金知识产权服务有限公司
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