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Aluminium alloys, pumice-ferric oxide and vermiculite-barium ferrate composite material and preparation method thereof

A technology of barium iron oxide and composite materials, applied in the field of metal materials, can solve problems such as poor absorbing performance, achieve low production cost, good damping performance, and facilitate industrial production

Inactive Publication Date: 2011-01-12
许少文
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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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  • Aluminium alloys, pumice-ferric oxide and vermiculite-barium ferrate composite material and preparation method thereof
  • Aluminium alloys, pumice-ferric oxide and vermiculite-barium ferrate composite material and preparation method thereof
  • Aluminium alloys, pumice-ferric oxide and vermiculite-barium ferrate composite material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0031] The preparation process of the aluminum alloy base pumice iron oxide vermiculite barium iron oxide composite material of the present invention is as follows:

[0032] a. Preparation of Vermiculite Barium Iron Oxide Complex:

[0033] Dissolve ferric chloride, barium nitrate and citric acid in water at a ratio of 1:5:5 (just add a small amount of water to dissolve, also called solution), then put vermiculite into it, stir in a water bath at 80°C for 10 -20min, the size of the vermiculite particles is 0.1-0.3mm, the weight ratio of the three mixed solution to the vermiculite is 5:1, after the stirring is completed, the stirring material is placed in an oven at 120°C for 30min and cooled naturally, and then Put it in an oven at 560-570°C, keep it warm for 30 minutes, and then cool it down naturally to obtain the vermiculite barium iron oxide compound;

[0034] b. Preparation of pumice iron oxide complex:

[0035] Then put ferric chloride and ammonium ferrous sulfate into ...

Embodiment 2

[0040] Vermiculite iron oxide barium complex preparation: the weight ratio of ferric chloride, barium nitrate and citric acid in the solution is 1:10:20, the size of vermiculite particles is 0.5mm, and the weight ratio of solution and vermiculite is 10:1 ;

[0041] Pumice iron oxide complex preparation: the weight ratio of ferric chloride, ferrous ammonium sulfate and pumice in the solution is 1:1:2, and the size of the pumice particles is 1mm;

[0042] Composite preform preparation: the weight ratio of vermiculite barium iron oxide and pumice iron oxide composite is 1:2; the volume percentage of the composite preform in the composite material is controlled to be 50%;

[0043]The weight percentage of the aluminum alloy matrix components is 6% for Mg, 0.01% for Pb, 0.005% for Ta, 0.005% for Ga, 1% for Si and the rest is Al.

Embodiment 3

[0045] Vermiculite barium iron oxide complex preparation: the weight ratio of ferric chloride, barium nitrate and citric acid in the solution used is 1:7:10, the size of vermiculite particles is 0.3mm, and the weight ratio of solution and vermiculite is 7: 1;

[0046] Pumice iron oxide complex preparation: the weight ratio of ferric chloride, ammonium ferrous sulfate and pumice in the solution used is 1:1:1.5, and the size of pumice particles is 0.6-1mm;

[0047] Composite preform preparation: the weight ratio of vermiculite barium iron oxide and pumice iron oxide composite is 1:1.5; the volume percentage of the control composite prefabricated accounted for composite material is 40%;

[0048] The weight percent content of the aluminum alloy liquid is 4% for Mg, 0.008% for Pb, 0.003% for Ta, 0.003% for Ga, 0.5%-1% for Si, and the rest is Al.

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Abstract

The invention provides an aluminium alloys, pumice-ferric oxide and vermiculite-barium ferrate 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 aluminium alloys as the matrices and the pumice-ferric oxide and vermiculite-barium ferrate compounds are distributed on the matrices. The pumice-ferric oxide and vermiculite-barium ferrate compounds account for 40-50% of the composite material by volume. The aluminium alloy matrices comprise the following chemical components in percentage by weight: 3-6% of Mg, 0.005-0.01% of Pb, 0.001-0.005% of Ta, 0.001-0.005% of Ga, 0.5-1% of Si and the balance Al.

Description

1. Technical field [0001] The invention belongs to the field of metal materials, and relates to an aluminum alloy pumice iron oxide vermiculite barium iron oxide wave-absorbing and vibration-reducing composite material and a preparation method thereof. 2. Background technology [0002] At present, in the field of materials, the wave-absorbing and vibration-reducing 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-ba...

Claims

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Application Information

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IPC IPC(8): C22C32/00C22C21/00C22C1/10C22C1/04
Inventor 王玲赵浩峰易亮
Owner 许少文
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