Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Aluminum-based B4C-ceramic-contained electric arc spraying powder core wire material

A technology of arc spraying and powder core wire, which is applied in the direction of coating, fusion spraying, metal material coating process, etc., can solve the problem of undetected powder core wire, etc., and achieve good application prospects, high friction coefficient, The effect of enhanced wear resistance

Active Publication Date: 2018-10-12
BEIJING UNIV OF TECH
View PDF9 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, in the research at home and abroad, Al 2 o 3 , SiC ceramic powder to prepare the report of spraying powder core wire material, has not been found to add B 4 Powder core wire made of C ceramics

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
  • Aluminum-based B4C-ceramic-contained electric arc spraying powder core wire material
  • Aluminum-based B4C-ceramic-contained electric arc spraying powder core wire material
  • Aluminum-based B4C-ceramic-contained electric arc spraying powder core wire material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The particle size is 250μm~300μm B 4 C powder 100g, particle size 50-200μm B 4 C powder 1600g, particle size 10-45μm B 4 C powder 200g, aluminum powder 100g. Mix the powder thoroughly by mechanical means, and then put it into the drying oven for drying. Use 5052 semi-hard aluminum strip as the outer skin, roll the aluminum strip into a U-shape with the opening facing up, then evenly feed the mixed powder into the U-shaped aluminum strip, and gradually close the aluminum strip with a roller, so that the joint is in the form of a lap joint , no powder leakage. Use drawing dies with diameters of 3.35, 3.15, and 2.95 to draw and reduce the diameter one by one. The diameter of the final wire is about 3mm, and the mass filling rate of the powder core is 29.5%. The coating is prepared by arc spraying technology. The specific process parameters of arc spraying are: spraying current 300-400A, spraying voltage 36-40V, spraying distance 180-200mm, spraying air pressure 0.5-0....

Embodiment 2

[0022] The particle size is 250μm~300μm B 4 C powder 80g, particle size 50-200μm B 4 C powder 1500g, particle size 10-45μm B 4 C powder 260g, aluminum powder 160g. Mix the powder thoroughly by mechanical means, and then put it into the drying oven for drying. Use 5052 semi-hard aluminum strip as the outer skin, roll the aluminum strip into a U-shape with the opening facing up, then evenly feed the mixed powder into the U-shaped aluminum strip, and gradually close the aluminum strip with a roller, so that the joint is in the form of a lap joint , no powder leakage. Use drawing dies with diameters of 3.35, 3.15, and 2.95 to draw and reduce the diameter one by one. The diameter of the final wire is about 3mm, and the mass filling rate of the powder core is 30.4%. The coating is prepared by arc spraying technology. The specific process parameters of arc spraying are: spraying current 300-400A, spraying voltage 36-40V, spraying distance 180-200mm, spraying air pressure 0.5-0.7...

Embodiment 3

[0024] The particle size is 250μm~300μm B 4 C powder 60g, particle size 50-200μm B 4 C powder 1400g, particle size 10~45μm B 4 C powder 300g, aluminum powder 240g. Mix the powder thoroughly by mechanical means, and then put it into the drying oven for drying. Use 5052 semi-hard aluminum strip as the outer skin, roll the aluminum strip into a U-shape with the opening facing up, then evenly feed the mixed powder into the U-shaped aluminum strip, and gradually close the aluminum strip with a roller, so that the joint is in the form of a lap joint , no powder leakage. Use drawing dies with diameters of 3.35, 3.15, and 2.95 to draw and reduce the diameter one by one. The diameter of the final wire is about 3mm, and the mass filling rate of the powder core is 30.8%. The coating is prepared by arc spraying technology. The specific process parameters of arc spraying are: spraying current 300-400A, spraying voltage 36-40V, spraying distance 180-200mm, spraying air pressure 0.5-0.7...

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
Thicknessaaaaaaaaaa
Thicknessaaaaaaaaaa
Hardnessaaaaaaaaaa
Login to View More

Abstract

The invention discloses an aluminum-based B4C-ceramic-contained electric arc spraying powder core wire material, and belongs to the field of material processing surface engineering. The melting pointof the B4C ceramic is up to 2350 DEG C, the vickers hardness is about 55-67 GPa, and the excellent chemical stability is achieved. According to the aluminum-based B4C-ceramic-contained electric arc spraying powder core wire material, the powder core of the wire material comprises the following components of, by mass, 1-5% of 250-300 micron B4C powder, 60-80% of 50-200 micron B4C powder, 10-20% of10-45 micron B4C powder and 5-19% of aluminum powder; a 5052 semi-hard aluminum strip is adopted to wrap the flux core powder, the filling rate of the powder core is 28-32%; and a prepared coating hasno obvious defects, the average microhardness of a B4C ceramic particle in the coating is 5000 HV or above, the friction abrasion performance of the coating is obviously superior to that of a pure aluminum coating.

Description

technical field [0001] An aluminum base containing B 4 C ceramic electric arc spraying powder core wire material belongs to the field of material processing surface engineering. Background technique [0002] The ocean is a treasure trove of resources with great potential and a strategic space to support future development. Vigorously develop the marine economy and further improve the quality and efficiency of the marine economy. With the deepening of my country's marine development, more and more marine engineering facilities are being built, and corrosion has become the most important factor affecting the service safety, life and reliability of ships, offshore engineering, and ocean-going facilities. Corrosion is the main cause of damage and scrapping of various infrastructure and industrial equipment. The annual loss due to corrosion in my country is about 5% of GDP. In addition, the problem of material wear is also very prominent, and severe wear problems will also lea...

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
IPC IPC(8): C23C4/131C23C4/06
CPCC23C4/06C23C4/131
Inventor 贺定勇彭修葳周正王国红王曾洁谈震吴旭闫岸如
Owner BEIJING UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com