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Aluminum enamel composite material and preparation method

A technology of composite materials and enamel, applied in the field of composite materials, can solve the problems of unsatisfactory high temperature resistance, thermal conductivity and other physical properties, limit the application of aluminum and aluminum alloy materials, and high manufacturing costs, and achieve low production costs and prevent Excellent oxidation performance, good insulation effect

Inactive Publication Date: 2013-06-26
江苏朔耘石化装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Aluminum or aluminum alloy materials are widely used. Due to their good comprehensive performance, they can be used in many fields, but their manufacturing costs are high, which limits the application of aluminum and aluminum alloy materials to a certain extent.
The currently used composite materials composed of resin or polymer materials and fillers can partially replace aluminum or aluminum alloy materials in some fields, but the products composed of resin or polymer materials as binders and fillers have high temperature resistance and thermal conductivity. And other physical properties are not ideal, and the production cost of this type of product is also high, so there are certain limitations in using it in some fields

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A kind of aluminum enamel composite material, its composition is to have leaded aluminum enamel 25%, metallic aluminum 60%, calcium carbonate 15%, by weight percentage; Obtain as follows:

[0024] a. Fully mix the above-mentioned lead-aluminum enamel, metallic aluminum, and calcium carbonate in powder form;

[0025] b. Cold pressing the mixed powder into a billet;

[0026] c. The above-mentioned cold-formed blank is sintered at 400-450°C to form a blank (suitable for hot extrusion machines of different tonnages);

[0027] d. The sintered parison is extruded into a commercial profile through a hot extrusion machine.

Embodiment 2

[0029] A kind of aluminum enamel composite material, its composition is lead-free aluminum enamel 60%, 6061 aluminum alloy 27%, silicon dioxide 13%, by weight percentage; Prepare as follows:

[0030] a. Fully mix the above-mentioned lead-free aluminum enamel, aluminum alloy and silicon carbide in the form of powder;

[0031] b. Cold pressing the mixed powder into a billet;

[0032] c. The above-mentioned cold-formed blank is sintered at 500-550°C to form a blank (suitable for hot extrusion machines of different tonnages);

[0033] d. The sintered parison is extruded into a commercial profile through a hot extrusion machine.

Embodiment 3

[0035] A kind of aluminum enamel composite material, its composition is aluminum enamel 30%, metal aluminum 40%, silicon dioxide 30%, by weight percentage; Prepare as follows:

[0036] The molten aluminum enamel material is directly added to the metal aluminum and silica aggregates, kneaded evenly at 520-600 ° C, cooled, and then directly extruded into finished products or made into parisons.

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Abstract

The invention relates to an aluminum enamel composite material and a production method, and the composite material comprises the following components by weight: 25-60% of aluminum enamel, 25-60% of aluminum or / and aluminum alloy and 10-30% of aggregate. The production method comprises the following steps: directly adding an aluminum enamel material in a fusion state in the aluminum or / and aluminum alloy, uniformly pugging at 400-600 DEG C, and then cooling and directly extruding to obtain a finished product or a parison. The aluminum enamel composite material has excellent comprehensive properties, the heat conduction coefficient is 70-200w / m.k through testing, the insulating property is good, and the aluminum enamel composite material can bear the high temperature at 400-500 DEG C, the anti-oxidation property is excellent; and the production cost is low with 15-20yuan / kg. The aluminum enamel composite material has the advantages of excellent comprehensive property and low production cost, is an ideal substitution material for aluminum and aluminum alloy, and can be widely used in many fields.

Description

technical field [0001] The invention relates to a composite material and a preparation method thereof, in particular to an enamel composite material and a preparation method thereof, and belongs to the technical field of composite materials. Background technique [0002] Aluminum or aluminum alloy materials are widely used. Due to their good comprehensive performance, they can be used in many fields, but their manufacturing costs are relatively high, which limits the application of aluminum and aluminum alloy materials to a certain extent. The currently used composite materials composed of resin or polymer materials and fillers can partially replace aluminum or aluminum alloy materials in some fields, but the products composed of resin or polymer materials as binders and fillers have high temperature resistance and thermal conductivity. And other physical properties are not ideal enough, and the production cost of this type of product is also on the high side, and there are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C29/00C22C29/12C22C32/00C22C1/05
Inventor 苏雷虹钱晓东谢敏
Owner 江苏朔耘石化装备有限公司
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