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Preparation method for carbon fiber reinforced aluminum-based boron carbide neutron shielding material

A technology of aluminum-based boron carbide and shielding materials, which is applied in shielding, nuclear engineering, reactors, etc., and can solve the problems of reducing the shaping and processing performance of composite materials

Inactive Publication Date: 2019-04-26
TAIYUAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aiming at the problem that excessively high ceramic particles in aluminum-based boron carbide reduce the molding and processing performance of composite materials, the invention provides a method for preparing a carbon fiber-reinforced aluminum-based boron carbide neutron shielding material

Method used

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  • Preparation method for carbon fiber reinforced aluminum-based boron carbide neutron shielding material
  • Preparation method for carbon fiber reinforced aluminum-based boron carbide neutron shielding material
  • Preparation method for carbon fiber reinforced aluminum-based boron carbide neutron shielding material

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Embodiment

[0046] The chemical substance material that the present invention adopts is: aluminum powder, copper powder, silicon powder, magnesium powder, carbon fiber, boron carbide powder, graphite paper, dehydrated alcohol, ammonium persulfate, sulfuric acid, stannous chloride, hydrochloric acid, silver nitrate, Sodium carbonate, potassium sodium tartrate, sodium edetate, copper sulfate, formaldehyde, potassium ferrocyanide, the combined dosage is as follows: in grams, millimeters, milliliters;

[0047] Aluminum powder: Al: 9.89g±0.01g, copper powder: Cu: 1.6g±0.01g, silicon powder: Si: 1.44g±0.01g, magnesium powder: Mg: 1.63g±0.01g, carbon fiber: C f : 0.2248g±0.01g, boron carbide powder: B 4 C: 1.12g±0.01g, graphite paper: C: 4 pieces, 90mm×2mm×90mm, absolute ethanol: C 2 h 5 OH: 200mL±0.5ml, ammonium persulfate: (NH4) 2 S 2 o 8 : 100±0.5ml, sulfuric acid: H 2 SO 4 : 100ml±0.5ml, stannous chloride: SnCl 2 : 30g±0.01g, hydrochloric acid: HCL: 50ml±0.15 ml, silver nitrate: AgNO...

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Abstract

The invention relates to a preparation method for a carbon fiber reinforced aluminum-based boron carbide neutron shielding material, belongs to the technical field of preparation and applications of carbon fiber reinforced metal-based composite shielding materials, and can solve the problem that the plastifying and processing performance of the composite materials are reduced by high ceramic particles in aluminum-based boron carbide. The preparation method comprises the following steps: filing a pre-prepared graphite mold with uniformly ball-milled and mixed composite powder for surface activation and plasma activated sintering; and carrying out thermal treatment on the sintered specimen to obtain the carbon fiber reinforced aluminum-based boron carbide composite material. The preparationmethod is an advanced method of carbon fiber reinforced aluminum-based boron carbide neutron absorption plate.

Description

technical field [0001] The invention belongs to the technical field of preparation and application of a fiber-reinforced metal matrix composite shielding material, and in particular relates to a preparation method of a carbon fiber-reinforced aluminum-based boron carbide neutron shielding material. Background technique [0002] Aluminum-based boron carbide is widely used as a good neutron-shielding metal matrix composite material for nuclear fuel storage and spent fuel transportation in nuclear power plants, but the boron content in boron carbide ceramics must reach a critical range to reach industrial use levels. Based on the theory of connection between ceramic particles and metal matrix, too high ceramic particles reduce the plastic and processability of composite materials, so carbon fiber is considered to be added as a reinforcing phase to solve this problem. The higher reflection cross section of carbon element in the middle energy region has a certain moderating effec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C47/14C22C47/04C22C49/06C22C49/14G21F1/08C22C101/10
CPCC22C47/04C22C47/14C22C49/06C22C49/14G21F1/08
Inventor 张鹏贾程鹏王文先李靖马颖峰
Owner TAIYUAN UNIV OF TECH
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