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High-strength foamed aluminum

A foamed aluminum, high-strength technology, applied in the field of foamed aluminum, can solve problems such as insufficient rigidity and impact resistance, and achieve the effect of high compressive strength

Inactive Publication Date: 2019-05-21
乐山创新智谷工业设计有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Foamed aluminum and its alloys are light in weight, but the rigidity and impact resistance are not enough at the same time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0022] Specific embodiment 1: a high-strength aluminum foam, characterized in that it is formed according to the powder alloy method, wherein the powder raw materials include: aluminum: 100 parts, silicon: 10 parts, zinc: 1 part, titanium: 1 part, 1 part nickel element. The preparation method is as follows:

[0023] Step 1: batching according to the ratio of raw materials;

[0024] Step 2: ball milling in a high-energy ball mill for 10 hours to obtain a powder with a particle size of 3;

[0025] Step 3: Extruding the above raw materials to obtain the precursor;

[0026] Step 3: Carry out sintering and foaming in the mold, the sintering temperature is 1000 degrees Celsius, and the time is 15 hours. Wherein, the aluminum is 40 mesh, and the zinc is 40 mesh. The foaming agent also includes a foaming stabilizer, and the foaming stabilizer is ceramic particles. The blowing agent is silicon carbide. The sintering shown is carried out in an inert environment, which is a nitroge...

specific Embodiment 2

[0027] Specific embodiment 2: a high-strength aluminum foam, characterized in that it is formed according to the powder alloy method, wherein the powder raw materials include: aluminum: 100 parts, silicon: 10 parts, zinc: 1 part, titanium: 1 part, 1 part nickel element. The preparation method is as follows:

[0028] Step 1: batching according to the ratio of raw materials;

[0029] Step 2: ball milling in a high-energy ball mill for 10 hours to obtain a powder with a particle size of 1-5;

[0030] Step 3: Extruding the above raw materials to obtain the precursor;

[0031] Step 3: Carry out sintering and foaming in the mold, the sintering temperature is 950 degrees Celsius, and the time is 15 hours. Wherein, the aluminum is 40 mesh, and the zinc is 40 mesh. The foaming agent also includes a foaming stabilizer, and the foaming stabilizer is ceramic particles. The blowing agent is magnesium carbonate. The sintering shown is carried out in an inert environment, which is a ni...

specific Embodiment 3

[0032] Specific embodiment 3: a kind of high-strength aluminum foam, characterized in that it is formed according to the powder alloy method, wherein the powder raw materials include: aluminum: 100 parts, silicon: 10 parts, zinc: 1 part, titanium: 1 part, 1 part nickel element. The preparation method is as follows:

[0033] Step 1: batching according to the ratio of raw materials;

[0034] Step 2: ball milling in a high-energy ball mill for 10 hours to obtain a powder with a particle size of 1-5;

[0035] Step 3: Extruding the above raw materials to obtain the precursor;

[0036] Step 3: Carry out sintering and foaming in the mold, the sintering temperature is 920 degrees Celsius, and the time is 15 hours. Wherein, the aluminum is 40 mesh, and the zinc is 40 mesh. The foaming agent also includes a foaming stabilizer, and the foaming stabilizer is ceramic particles. The blowing agent is silicon carbide. The sintering shown is carried out in an inert environment, which is ...

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PUM

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Abstract

The invention discloses high-strength foamed aluminum, and belongs to the field of metal machining. Forming is achieved according to a powder alloying method. A powder raw material comprises, by weight, 100 parts of aluminum, 1-10 parts of silicon, 0.1-1 part of zinc, 0.1-1 part of titanium, and 0.1-1 of nickel.

Description

technical field [0001] The invention relates to the field of aluminum foam. Background technique [0002] Foam metal refers to special metal materials containing foam pores. Through its unique structural characteristics, metal foam has a series of good advantages such as low density, good heat insulation performance, good sound insulation performance, and the ability to absorb electromagnetic waves. It is a new type of material that has gradually developed with human science and technology. A series of industrial development such as chemical industry. Its air permeability is very high, almost all are interconnected pores, the specific surface area of ​​the pores is large, and the bulk density of the material is small. [0003] Metal foam is used in the manufacture of purification, filtration, catalytic brackets, electrodes and other devices in petrochemical, aerospace, and environmental protection. [0004] Compared with the general sintered porous metal, the metal materi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/02C22C1/08
Inventor 李婵娟
Owner 乐山创新智谷工业设计有限公司