Preparation method of in-situ particle reinforced aluminum-based composite material

An aluminum-based composite material and particle-enhanced technology, which is applied in the field of aluminum-based composite material preparation, can solve the problems of soil quality deterioration, difficult purification and recovery, land resource occupation, etc. The effect of a large amount of waste

Active Publication Date: 2015-05-20
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For a long time, the discarded zirconium-titanium mineral tailings have led to the occupation of a large number of land resources and the deterioration of soil quality in landfill areas
Because of SiO 2 It is only soluble in toxic or strong corrosive solvents such as hydrofluoric acid and hot concentrated phosphoric acid, so it is difficult to purify and recover

Method used

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  • Preparation method of in-situ particle reinforced aluminum-based composite material
  • Preparation method of in-situ particle reinforced aluminum-based composite material
  • Preparation method of in-situ particle reinforced aluminum-based composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] The preparation method of the in-situ particle-reinforced aluminum-based composite material of this embodiment includes the following steps:

[0047] (1) Zirconite tailings pretreatment:

[0048] The zirconium-titanium mineral tailings selected in this embodiment are from the materials discarded after the zirconium-titanium raw sand beneficiation process produced in Malaysia;

[0049] (1-1) After the zirconium titanium tailings are screened by the specific gravity method, the zircon sand is removed, and the main component is collected as SiO 2 and aluminum silicate zirconium titanium mineral tailings;

[0050] (1-2) taking out the zirconium-titanium tailings processed by the step (1-1) after being dry-milled by a planetary ball mill for 3 minutes;

[0051] (1-3) using a screen to sieve the zirconium-titanium tailings obtained in step (1-2), to obtain zirconium-titanium tailings with a particle size of 150 μm-180 μm;

[0052] (1-4) Put the zirconium-titanium tailings ...

Embodiment 2

[0062] The preparation method of the in-situ particle-reinforced aluminum-based composite material of this embodiment includes the following steps:

[0063] (1) Zirconite tailings pretreatment:

[0064] (1-1) After the zirconium titanium tailings are screened by the specific gravity method, the zircon sand is removed, and the main component is collected as SiO 2 and aluminum silicate zirconium titanium mineral tailings;

[0065] (1-2) taking out the zirconium-titanium tailings processed by the step (1-1) after being dry-milled by a planetary ball mill for 2 minutes;

[0066] (1-3) using a screen to sieve the zirconium-titanium tailings obtained in step (1-2), to obtain zirconium-titanium tailings with a particle size of 150 μm-180 μm;

[0067] (1-4) Put the zirconium-titanium tailings obtained in step (1-3) into an ultrasonic cleaning machine and add an appropriate amount of alcohol to clean them, take them out after cleaning and dry them again on a resistance heater;

[00...

Embodiment 3

[0076] The preparation method of the in-situ particle-reinforced aluminum-based composite material of this embodiment includes the following steps:

[0077] (1) Zirconite tailings pretreatment:

[0078] (1-1) After the zirconium titanium tailings are screened by the specific gravity method, the zircon sand is removed, and the main component is collected as SiO 2 and aluminum silicate zirconium titanium mineral tailings;

[0079] (1-2) taking out the zirconium-titanium tailings processed by the step (1-1) after being dry-milled by a planetary ball mill for 5 minutes;

[0080] (1-3) using a screen to sieve the zirconium-titanium tailings obtained in step (1-2), to obtain zirconium-titanium tailings with a particle size of 150 μm-180 μm;

[0081] (1-4) Put the zirconium-titanium tailings obtained in step (1-3) into an ultrasonic cleaning machine and add an appropriate amount of alcohol to clean them, take them out after cleaning and dry them again on a resistance heater;

[00...

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Abstract

The invention discloses a preparation method of an in-situ particle reinforced aluminum-based composite material. The preparation method comprises the following steps: firstly, performing pretreatment on uhligite tailings, namely screening the uhligite tailings by use of a specific gravity method before ball milling, then screening by use of a screen to obtain the uhligite tailings having the particle diameter ranging from 150 microns to 180 microns, and drying to obtain tailing addition particles; secondly, adding the tailing addition particles to pure aluminum by use of a stirring casting method to obtain the in-situ particle reinforced aluminum-based composite material. The adopted uhligite tailings are relatively high in SiO2 content, and also contain aluminum silicate having positive contribution to the mechanical properties of the composite material; seen from the microstructure of the material, the reinforcing body is well bonded with the substrate and the reinforcing body is evenly distributed; the addition amount of the reinforcing body is easy to control, and the prepared composite material shows excellent mechanical properties.

Description

technical field [0001] The invention relates to a method for preparing an aluminum-based composite material, in particular to a method for preparing an in-situ particle-reinforced aluminum-based composite material using waste tailing sand produced by the zircon powder industry as a raw material for reinforcement. Background technique [0002] Composite materials are materials with excellent performance prepared by compounding two or more components through a certain process and exerting the synergistic effect between the components. The emergence and development of composite materials conform to the development of modern industry and technology, and meet the increasing demands of modern technology on the mechanical properties of materials. Common composite matrixes include polymer resin bases, ceramic bases, inorganic cement bases, and metal bases. At present, the preparation process of resin matrix composites is relatively simple, but its strength is far inferior to that o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C22C21/00C22B1/00
Inventor 李文芳王康杜军唐鹏
Owner SOUTH CHINA UNIV OF TECH
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