Nano silicon carbide and nano cerium oxide synergetically enhanced metal matrix micro-nano powder and preparing method thereof

A technology of nano-silicon carbide powder and nano-cerium oxide, applied in the direction of coating, etc., to achieve good application prospects, improve wettability, and strong engineering practicability

Inactive Publication Date: 2014-07-02
JIANGSU UNIV
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of this invention is to solve the problem that the existing laser wear-resistant modification technology still lacks a high-quality metal-based micro-nano powder with high light absorption and anti-wear effects, and to invent a nano-silicon carbide and nano-oxidized Cerium synergistically enhanced high-absorbance anti-wear metal-based micro-nano powder and its preparation method provide a new powder material for the wider application of laser wear-resistant modification technology

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Nano silicon carbide and nano cerium oxide synergetically enhanced metal matrix micro-nano powder and preparing method thereof
  • Nano silicon carbide and nano cerium oxide synergetically enhanced metal matrix micro-nano powder and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0038] The materials used in this embodiment: nanometer silicon carbide powder with an average particle size of 20nm and a mass fraction of 2.25%; nanometer cerium oxide powder with an average particle size of 20nm and a mass fraction of 3%; the micron metal powder is Al-Si alloy powder, The average particle size is 50μm, and the mass fraction is 94.75%. The metal-based micro-nano powder enhanced by nano-silicon carbide and nano-cerium oxide is prepared by the above method steps. The specific parameters are: the ethanol in the mixed solution of ethanol and water used in the nano suspension The volume ratio is 50%; the ball milling compound parameters are: the ball milling speed is 200 rpm, the ball-to-material ratio is 8:1, and the ball milling time is 1 hour. Observed by scanning electron microscope, the prepared micro-nano powder maintains the spherical characteristics of micron powder ( figure 1 ), the surface is covered with a large amount of nano silicon carbide powder and ...

example 2

[0040] The materials used in this example: nano silicon carbide powder with an average particle size of 10nm and a mass fraction of 1.5%; nano cerium oxide powder with an average particle size of 10nm and a mass fraction of 2%; the micron metal powder is Al-Si alloy powder with an average The particle size is 50μm, and the mass fraction is 96.5%; the metal-based micro-nano powder enhanced by nano-silicon carbide and nano-cerium oxide is prepared by the above method steps. The specific parameters are: the ethanol in the mixed solution of ethanol and water used in the nano suspension The volume ratio is 30%; the ball milling compound parameters are: the ball milling speed is 100 rpm, the ball-to-material ratio is 5:1, and the ball milling time is 0.5 hours. Observed by scanning electron microscope, in the prepared micro-nano powder, nano-silicon carbide powder and nano-cerium oxide powder are coated on the surface of micron metal particles with high dispersibility characteristics ...

example 3

[0042] The materials used in this example: nano silicon carbide powder with an average particle size of 30nm and a mass fraction of 3%; nano cerium oxide powder with an average particle size of 30nm and a mass fraction of 4%; the micron metal powder is Al-Si alloy powder with an average The particle size is 50μm, and the mass fraction is 93%. The metal-based micro-nano powder enhanced by nano-silicon carbide and nano-cerium oxide is prepared by using the above method steps. The specific parameters are: ethanol in the mixed solution of ethanol and water used in the nano suspension The volume ratio is 70%; the ball milling compound parameters are: the ball milling speed is 300 rpm, the ball-to-material ratio is 10:1, and the ball milling time is 1.5 hours. Observed by scanning electron microscope, in the prepared micro-nano powder, nano-silicon carbide powder and nano-cerium oxide powder are coated on the surface of micron metal particles with high dispersibility characteristics t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
particle sizeaaaaaaaaaa
particle sizeaaaaaaaaaa
particle sizeaaaaaaaaaa
Login to view more

Abstract

A metal-based micro-nano powder synergistically reinforced by nano-silicon carbide and nano-cerium oxide and a preparation method thereof, characterized in that the metal-based micro-nano powder consists of 1.5-3% by mass percentage of nano-silicon carbide powder, 2-4% Nano cerium oxide powder and 93~96.5% micron metal powder, the sum of various components is 100%; the manufacturing method is to prepare the pre-prepared single-phase nano-silicon carbide suspension and single-phase nano-cerium oxide suspension Mixing and ball milling to obtain a silicon carbide / cerium oxide dual-phase nano-suspension, and then ball-milling and compounding the obtained suspension with the micron metal powder obtained from spheroidization pretreatment and drying to obtain the micro-nano powder with a core-shell structure of the present invention. The invention can make the micro-nano powder have good wear resistance and high laser absorption rate, and can meet the current mainstream technology of laser forming - the requirement of direct powder feeding laser forming technology to transport powder, and has strong engineering practicability and good application prospects.

Description

technical field [0001] The invention relates to a metal-based micro-nano powder and a preparation method thereof, in particular to a metal-based micro-nano powder for laser surface wear-resistant modification and a preparation method thereof, in particular to a synergistic Enhanced highly light-absorbing anti-wear metal-based micro-nano powder and a preparation method thereof. Background technique [0002] Compared with other surface wear-resistant modification technologies, laser surface wear-resistant technology has many advantages such as metallurgical bonding interface, fine structure, controllable composition, less thermal influence, etc., coupled with the high flexibility and high efficiency of laser processing , low pollution and easy realization of computer control and other optical processing characteristics, making it one of the surface wear-resistant modification technologies that has attracted much attention. However, the existing powders for laser surface wear-...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): B22F1/02B22F1/00
Inventor 袁晓明王宏宇金镜许瑞华庞婧黎向锋姜银方沈清朱林童
Owner JIANGSU UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap