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Surface nickel-phosphorus plated graphene reinforced titanium-based composite material and preparation method thereof

A titanium-based composite material and a technology for the composite material are applied in the field of surface nickel-phosphorus graphene reinforced titanium-based composite materials and their preparation, which can solve the problems of damage, unfavorable composite material properties, poor graphene dispersion effect, etc., and achieve improved performance. , Guaranteed performance, uniform distribution effect

Active Publication Date: 2022-05-24
NANJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the ball milling process of the composite material, the structure of graphene will be seriously damaged due to ball milling, and due to the large density difference between graphene and titanium powder, the dispersion effect of graphene on the surface of titanium powder is poor, which is not conducive to compounding. Material properties

Method used

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  • Surface nickel-phosphorus plated graphene reinforced titanium-based composite material and preparation method thereof
  • Surface nickel-phosphorus plated graphene reinforced titanium-based composite material and preparation method thereof
  • Surface nickel-phosphorus plated graphene reinforced titanium-based composite material and preparation method thereof

Examples

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Effect test

Embodiment 1

[0047] The ultrasonic power in this embodiment is all 100W, including the following steps:

[0048] S1: Sensitization of graphene

[0049] 0.25g graphene was placed in 250mL deionized water and ultrasonically dispersed for 30min to obtain a graphene suspension, and then 250mL of tin chloride solution (SnCl) was added. 2 10g / L, HCl 40ml / L) continued ultrasonic treatment for 40min, then filtered, rinsed with deionized water until the pH value of the material was neutral, and obtained sensitized graphene.

[0050] S2: Activation of graphene

[0051] The sensitized graphene obtained in step S1 was placed in 250 mL of deionized water and ultrasonically dispersed for 30 min to obtain a sensitized graphene suspension, and 250 mL of palladium chloride solution (PdCl) was added. 2 10g / L, HCl 25ml / L) and ultrasonically treated for 40min, then filtered, rinsed with deionized water until the pH value of the material was neutral, and activated graphene was obtained.

[0052] S3: Nickel-...

Embodiment 2

[0059] The ultrasonic power in this embodiment is all 100W, including the following steps:

[0060] S1: Sensitization of graphene

[0061] 0.5g graphene was placed in 250mL deionized water and ultrasonically dispersed for 60min to obtain a graphene suspension, and then 250mL of tin chloride solution (SnCl) was added. 2 10g / L, HCl 40ml / L) continued ultrasonic treatment for 30min, then filtered, rinsed with deionized water until the pH value of the material was neutral, and obtained sensitized graphene.

[0062] S2: Activation of graphene

[0063] The sensitized graphene obtained in step S1 was placed in 250 mL of deionized water and ultrasonically dispersed for 60 min to obtain a sensitized graphene suspension, and 250 mL of palladium chloride solution (PdCl) was added. 2 10g / L, HCl 25ml / L) and ultrasonically treated for 30min, then filtered, rinsed with deionized water until the pH value of the material was neutral, and activated graphene was obtained.

[0064] S3: Nickel...

Embodiment 3

[0071] The ultrasonic power in this embodiment is all 100W, including the following steps:

[0072] S1: Sensitization of graphene

[0073] 0.75g graphene was placed in 250mL deionized water and ultrasonically dispersed for 60min to obtain a graphene suspension, and then 250mL tin chloride solution (SnCl) was added. 2 10g / L, HCl 40ml / L) continued ultrasonic treatment for 30min, then filtered, rinsed with deionized water until the pH value of the material was neutral, and obtained sensitized graphene.

[0074] S2: Activation of graphene

[0075] The sensitized graphene obtained in step S1 was placed in 250 mL of deionized water and ultrasonically dispersed for 60 min to obtain a sensitized graphene suspension, and 250 mL of palladium chloride solution (PdCl) was added. 2 10g / L, HCl 25ml / L) and ultrasonically treated for 30min, then filtered, rinsed with deionized water until the pH value of the material was neutral, and activated graphene was obtained.

[0076] S3: Nickel-p...

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Abstract

The invention discloses a surface nickel-phosphorus plated graphene reinforced titanium-based composite material, the surface of graphene in the composite material is coated with a nickel-phosphorus layer, and the surface nickel-phosphorus plated graphene is dispersively distributed on the surface of a titanium ball; wherein the graphene is distributed at the grain boundary of the titanium matrix, and the composite material only has diffraction peaks corresponding to the alpha phase and the beta phase of titanium. The invention further discloses a preparation method of the surface nickel-phosphorus plated graphene reinforced titanium-based composite material. According to the composite material, the problem that graphene and titanium easily generate TiC is solved, meanwhile, the dispersity of the graphene is better, the graphene is not prone to damage in the ball milling and sintering process, and therefore the performance of the composite material is improved to the maximum extent.

Description

technical field [0001] The invention belongs to the technical field of material preparation, in particular to a surface nickel-phosphorus graphene reinforced titanium-based composite material and a preparation method thereof. Background technique [0002] The development requirements of a new generation of aerospace vehicles with lightweight and high performance make it necessary to improve the comprehensive performance of titanium alloys when applied in this field. In addition, due to the poor thermal conductivity during the processing of titanium alloys, the processing heat cannot be quickly conducted out, which is easy to generate thermal stress and damage the titanium alloy parts. [0003] Graphene (GNFs) is a single atomic layer material composed of sp2-hybridized carbon atoms, due to its excellent properties, such as excellent mechanical properties, high electrical conductivity and excellent thermal conductivity (5 times that of diamond, copper 10 times), and GNFs hav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F1/18B22F9/04B22F3/105C23C18/18C23C18/36C22C14/00C22C1/05
CPCB22F9/04B22F3/105C23C18/1666C23C18/1889C23C18/36C22C14/00C22C1/05B22F2009/043B22F2003/1051Y02P10/25
Inventor 郭艳华孙猛孙中刚常辉于奎
Owner NANJING UNIV OF TECH
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