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A metal alloy with high impact resistance and its preparation method

A metal alloy and high impact resistance technology, which is applied in the field of metal alloys with high impact resistance and its preparation, can solve problems such as engine blade breakage, car damage, casualties, etc.

Inactive Publication Date: 2020-07-03
HUANGHE S & T COLLEGE
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  • Abstract
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  • Claims
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Problems solved by technology

At present, some lightweight metal alloys are often used in aviation and automobile manufacturing. Engine blades made of metal alloys may break and fly out due to impact by foreign objects in the air, resulting in catastrophic consequences. When a car encounters traffic accidents such as collisions, the car will be damaged to varying degrees and people will be injured or killed. Therefore, it is very important to improve the impact resistance and strength of metal alloy materials

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  • A metal alloy with high impact resistance and its preparation method

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Embodiment 1

[0019] A metal alloy with high impact resistance, made of the following raw materials in mass percentage: Cu 5%, Ni 2%, V 1.5%, fluorite powder 0.8%, Mg 0.5%, modified carbon fiber 0.7%, nano boron nitride 1%, Ce 0.2%, and the balance Al.

[0020] The modified carbon fiber is prepared through the following steps: Weigh 200g of aluminum nitrate and dissolve it in deionized water, heat it in a water bath to aid dissolution, set the heating temperature to 85°C, and slowly add it dropwise to the aluminum nitrate solution after the aluminum nitrate is completely dissolved Adjust the pH of the solution to 5 with ammonia water, continue heating and stirring to evaporate the liquid to obtain a translucent aluminum sol; add carbon fiber to the prepared aluminum sol and impregnate it for 30 hours, and dry it at 50°C after impregnation; after drying, the impregnated aluminum sol The carbon fiber of the metal oxide gel is put into a muffle furnace and fired for 2 hours to obtain the modif...

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Abstract

The invention discloses a metal alloy with high impact resistance, and belongs to the technical field of metal materials. The metal alloy is made of the following raw materials of, by mass, 3-5% of Cu, 2-2.5% of Ni, 1.2-1.6% of V, 0.6-0.9% of fluorite powder, 0.4-0.6% of Mg, 0.5-0.7% of modified carbon fiber, 0.9-1.5% of nanometer boron nitride, 0.1-0.3% of Ce, and the balance aluminum. The modified carbon fiber is prepared through the method that aluminum metal oxide is loaded on the surface of carbon fiber through a sol-gel method, and can relieve the interface problem of the carbon fiber and a matrix; and the invention further provides a preparation method of the metal alloy, the preparation method comprises a deep cooling treatment process and a final laser impact treatment process, the tissue of the metal alloy is dense through the processes, and thus the hardness and impact resistance of the metal alloy are improved.

Description

technical field [0001] The invention belongs to the technical field of metal materials, and in particular relates to a metal alloy with high impact resistance and a preparation method thereof. Background technique [0002] Alloys are metal materials with metallic properties that are synthesized by two or more metals and metals or metals and non-metals by a certain method. Alloy materials generally improve the performance of single metals. Therefore, the application of metal alloy materials is more for extensive. At present, some lightweight metal alloys are often used in aviation and automobile manufacturing fields. Engine blades made of metal alloys may break and fly out due to impact by foreign objects in the air, resulting in catastrophic consequences. When a car encounters traffic accidents such as collisions, the car will be damaged to varying degrees and people will be injured or killed. Therefore, it is very important to improve the impact resistance and strength of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C49/06C22C47/08C22C47/02C22F1/057C22F3/00C21D10/00C22C101/10
CPCC21D10/005C22C47/02C22C47/08C22C49/06C22F1/057C22F3/00
Inventor 张金平田凯张洋洋李慧王二萍
Owner HUANGHE S & T COLLEGE
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