Preparation method of boron particle reinforced metal matrix composite material, composite material and application of composite material

A particle-reinforced, composite material technology, used in additive processing, reactors, additive manufacturing, etc., can solve problems such as low boron content, internal cracks, brittle fractures, etc., to achieve uniform crystal phase distribution, low production costs, and thickness. adjustable effects

Pending Publication Date: 2021-10-08
江苏清联光电技术研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the boron composite materials prepared in this way have simple structures, cannot be applied to the surface of more complex components, and have shortcomings such as low boron content; when more boron or boron carbide powder is added, the material is prone to internal cracks Or brittle fracture and other phenomena, the practicability is poor

Method used

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  • Preparation method of boron particle reinforced metal matrix composite material, composite material and application of composite material
  • Preparation method of boron particle reinforced metal matrix composite material, composite material and application of composite material
  • Preparation method of boron particle reinforced metal matrix composite material, composite material and application of composite material

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Experimental program
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Effect test

Embodiment 1

[0038] This embodiment discloses a method for preparing a boron particle reinforced aluminum matrix composite material, the steps are as follows:

[0039] First take 5.5 grams of amorphous element boron powder and mix with 13.5 grams of micron aluminum powder, and initially stir evenly;

[0040] Put the mixed powder, 800 grams of zirconia balls with a first diameter of 4 mm, and 200 grams of zirconia balls with a second diameter of 6 mm into the grinding chamber of the resonance ball mill, and resonate ball milling for 6 hours to obtain fully mixed boron-aluminum micron powder;

[0041] Place the boron-aluminum micron powder in the raw material chamber of the supersonic low-pressure cold spraying equipment, and spray it on the smooth aluminum plate for 1 min under the heating condition of 500 ℃ to prepare the boron particle-reinforced aluminum matrix composite material.

Embodiment 2

[0043] This embodiment discloses a method for preparing a boron particle reinforced aluminum matrix composite material, the steps are as follows:

[0044] First take by weighing 5.5 grams of amorphous element boron powder and 13.5 grams of micron aluminum powder and mix, and initially stir evenly;

[0045] Then put the mixed powder together with 200 grams of zirconia balls with a second diameter of 6 mm and 800 grams of zirconia balls with a first diameter of 4 mm into the cavity of the resonance ball mill, and conduct resonance ball milling for 6 hours to obtain fully mixed boron-aluminum micron powder ;

[0046] Place the prepared boron-aluminum micron powder in the raw material chamber of supersonic low-pressure cold spraying equipment, and spray it on the surface of a slowly rotating smooth aluminum tube under the heating condition of 500°C for 1 minute to form a boron particle-reinforced aluminum matrix composite Material.

[0047] Energy spectrum analysis is carried ou...

Embodiment 3

[0050] This embodiment discloses a method for preparing a boron particle-reinforced copper-based composite material, the steps are as follows:

[0051] First take by weighing 11 grams of amorphous element boron powder and mix with 32 grams of micron copper powder, and initially stir evenly;

[0052] Then put the mixed powder together with 200 grams of zirconia balls with a second diameter of 6 mm and 800 grams of zirconia balls with a first diameter of 4 mm into the resonant ball mill cavity, and resonate ball milled for 6 hours to obtain fully mixed boron-copper micron powder ;

[0053] The prepared boron-copper micron powder is placed in the raw material chamber of the supersonic low-pressure cold spraying equipment, and sprayed on a smooth copper plate for 1 minute under the heating condition of 500 ° C to make a boron particle-reinforced copper-based composite material.

[0054] Scanning electron microscope and energy dispersive spectrometer are respectively used to carry...

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Abstract

The invention provides a preparation method of a boron particle reinforced metal matrix composite material, the composite material and application of the composite material, and relates to the field of new materials. The method comprises the following steps of preparing uniformly mixed boron-metal micron powder by using a resonance ball milling method, and spraying a composite coating on a metal substrate in an additive manufacturing manner by utilizing a supersonic low-pressure cold spraying method to prepare the composite material. The preparation method is simple, easy to operate and low in cost, and various special-shaped components can be manufactured in the additive manufacturing manner. The composite material prepared by the method is uniform in boron-metal crystal phase distribution, high in strength and high in boron element content, and can be applied to various nuclear protection occasions such as spent fuel storage.

Description

technical field [0001] The invention relates to the technical field of new materials, in particular to a method for preparing boron particle-reinforced metal matrix composite materials, composite materials and applications thereof. Background technique [0002] With the continuous growth of the global population and the increasing prosperity of the society, human beings have an increasing demand for energy, while fossil energy sources such as coal, oil, and natural gas are becoming increasingly depleted, and the energy shortage problem facing human beings is becoming more and more severe. New energy sources such as wind energy, solar energy, and geothermal energy have the advantages of being environmentally friendly and renewable, but their development technology is difficult, and their development is greatly affected by geographical and environmental factors, so they cannot be widely popularized and applied. As a new, efficient and sustainable energy, nuclear energy has rec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C24/04B22F9/04B22F10/00G21F1/08B33Y10/00
CPCC23C24/04B22F9/04G21F1/08B22F10/00B33Y10/00B22F2009/043Y02P10/25
Inventor 张之勋李凯冯世嘉
Owner 江苏清联光电技术研究院有限公司
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