Reinforced composite aluminum-based material and preparation method thereof

A technology for compounding aluminum and base materials, which is used in the manufacture of rayon, chemical characteristics of fibers, textiles and papermaking, etc., can solve the problems of general reinforcement effect of aluminum-based composite materials, insufficient power, etc., and achieves excellent specific surface area, low cost, and improved The effect of mechanical properties

Active Publication Date: 2021-06-04
苏州创泰合金材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the performance requirements of some industries for aluminum-based composite materials are gradually increasing, and traditional aluminum-based composite materials seem to be unable to do what they want.
Traditional aluminum matrix composite materials mostly use carbon fiber, silicon carbide and other materials as reinforcing phases. Carbon fiber, silicon carbide, etc. have certain defects, and the enhancement effect on the performance of aluminum matrix composite materials is general.

Method used

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  • Reinforced composite aluminum-based material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Ce-C-SiC@Al 2 o 3 The preparation method of the reinforced phase is:

[0035] S1. Dissolve polycarbosilane in xylene, prepare polycarbosilane solution according to the ratio of polycarbosilane and xylene at 1.2 g / mL, and ultrasonically disperse for 30 minutes to obtain a spinning solution;

[0036] S2. Weigh La 2 o 3 Fully dissolve with concentrated nitric acid, remove excess nitric acid and then weigh nano-Al 2 o 3 Add the powder and absolute ethanol to the above beaker to form a mixed solution, place the solution on a magnetic stirrer and stir for 2 hours to make the solution evenly mixed;

[0037] S3. Preparation of composite fibers by electrospinning. The spinning process parameters include: using a needle with an inner diameter of 0.8mm, a voltage of 12kV, a distance from the needle to the receiving screen of 15cm, and a spinning supply rate of 20ul / min;

[0038] S4. Place the composite fiber prepared in the above steps in an oven at 100°C for aging for 50 ho...

Embodiment 2

[0040] Ce-C-SiC@Al 2 o 3 The preparation method of the reinforced phase is:

[0041] S1. Dissolve polycarbosilane in xylene, prepare a polycarbosilane solution according to the ratio of polycarbosilane and xylene to 1.5 g / mL, and disperse it ultrasonically for 60 minutes to obtain a spinning solution;

[0042] S2. Weigh La 2 o 3 Fully dissolve with concentrated nitric acid, remove excess nitric acid and then weigh nano-Al 2 o 3 Add the powder and absolute ethanol to the above beaker to form a mixed solution, place the solution on a magnetic stirrer and stir for 2 hours to make the solution evenly mixed;

[0043]S3. Preparation of composite fibers by electrospinning. The spinning process parameters are as follows: use a needle with an inner diameter of 1.2mm, a voltage of 25kV, a distance from the needle to the receiving screen of 25cm, and a supply rate of 40ul / min for spinning;

[0044] S4. Place the composite fiber prepared in the above steps in an oven at 120° C. for ...

Embodiment 3

[0046] Ce-C-SiC@Al 2 o 3 The preparation method of the reinforced phase is:

[0047] S1. Dissolve polycarbosilane in xylene, prepare a polycarbosilane solution according to the ratio of polycarbosilane and xylene to 1.25g / mL, and disperse it ultrasonically for 40min to obtain a spinning solution;

[0048] S2. Weigh La 2 o 3 Fully dissolve with concentrated nitric acid, remove excess nitric acid and then weigh nano-Al 2 o 3 Add the powder and absolute ethanol to the above beaker to form a mixed solution, place the solution on a magnetic stirrer and stir for 2 hours to make the solution evenly mixed;

[0049] S3. Prepare composite fibers by electrospinning. The spinning process parameters include: using a needle with an inner diameter of 1.0mm, a voltage of 15kV, a distance from the needle to the receiving screen of 18cm, and a spinning supply rate of 28ul / min;

[0050] S4. Place the composite fiber prepared in the above steps in an oven at 105°C for aging for 40 hours, th...

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Abstract

The invention provides a reinforced composite aluminum-based material. The composite aluminum-based material is composed of a Ce-C-SiC-coated Al2O3 reinforced phase and an aluminum alloy matrix, wherein the mass ratio of the reinforced phase to the aluminum alloy matrix is (1.5-5.5):100. The aluminum alloy comprises the following components: 3.8-4.6 wt% of Cu, 1.2-1.5 wt% of Mg, 0.4-0.7 wt% of Si, 0.4-0.55 wt% of Ni, 0.4-0.6 wt% of Fe, and the balance Al. In order to meet the requirement for higher strength of the aluminum-based material, fibrous ceramic is used as a reinforcing material to improve the mechanical property of the aluminum alloy, compared with conventional fibers, the adopted short fibers have the advantages of being few in defect and low in cost, the fibers prepared through electrostatic spinning have the larger length-diameter ratio, the larger specific surface area and the excellent mechanical property, and a better reinforcing effect is realized.

Description

technical field [0001] The invention relates to the technical field of high-performance aluminum alloy composite materials, in particular to a reinforced composite aluminum-based material and a preparation method thereof. Background technique [0002] With the rapid development of science and technology, people hope to obtain materials with better performance. In many fields, traditional materials are increasingly unable to meet the needs of modern industry, which makes scientific researchers more and more interested in the compounding of materials. A composite material is a multiphase solid material, usually composed of two or more substances with different physical and chemical properties. Due to the interaction between the components, the comprehensive performance of the composite material is not the The simple addition of material properties makes the composite material have the superior properties of each component, and even has new properties that a single material do...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C47/02C22C47/14C22C49/06C22C49/14B22F3/04B22F3/14B22F3/24C22F1/057D01F1/10D01F9/10C22C101/00
CPCC22C47/02C22C47/14C22C49/06C22C49/14B22F3/04B22F3/14B22F3/24C22F1/057D01F9/10D01F1/10B22F2003/248
Inventor 张建乡孟杰张晓
Owner 苏州创泰合金材料有限公司
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