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

Nano solid lubricant and nano ceramic grain composite modified cutter material and preparation method thereof

A compound modification and tool material technology, applied in the field of ceramic tool materials, can solve the problems of difficult balance between mechanical properties and friction and wear properties, achieve uniform and refined microstructure, improve bending strength and fracture toughness, and have good mechanical properties Effect

Inactive Publication Date: 2013-04-24
QILU UNIV OF TECH
View PDF2 Cites 16 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the defect that the mechanical properties and friction and wear properties of existing high-speed dry cutting ceramic tool materials are difficult to balance, the present invention provides a tool material compositely modified by nano solid lubricant and nano ceramic particles and its preparation method

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 solid lubricant and nano ceramic grain composite modified cutter material and preparation method thereof
  • Nano solid lubricant and nano ceramic grain composite modified cutter material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Nano solid lubricant and nano ceramic particle composite modified tool material, the volume percentage of the raw material component is: 40% micron Al 2 o 3 , 45.5% micron TiC, 10% nano CaF 2 , 4% nano Al 2 o 3 Ceramic particles, 0.5% MgO.

[0032] The preparation method is as follows:

[0033] (1) Weigh polyethylene glycol 4000 (PEG4000) as a dispersant, dissolve it in absolute ethanol, and prepare two 100mL PEG4000 dispersions with a concentration of 3g / L; weigh nano-alumina and nano-calcium fluoride in Under the conditions of ultrasonic and mechanical stirring, respectively add to two prepared dispersion liquids to obtain nano-alumina dispersion liquid and nano-calcium fluoride dispersion liquid respectively, and ultrasonically stir for 30 minutes;

[0034] (2) Then, mix two nano-alumina dispersions and nano-calcium fluoride dispersions together, and add micron alumina, micron titanium carbide and sintering aid magnesium oxide into the mixed solution according t...

Embodiment 2

[0039] Nano solid lubricant and nano ceramic particle composite modified tool material, the volume percentage of the raw material component is: 55% micron Al 2 o 3 , 34% micro TiC, 5% nano CaF 2 , 5.5% nano Al 2 o 3 Ceramic particles, 0.5% MgO.

[0040] The preparation method is as follows:

[0041] (1) Weigh polyethylene glycol 4000 as a dispersant, dissolve it in absolute ethanol, and prepare two 100mL PEG4000 dispersions with a concentration of 4g / L; Under the condition of mechanical stirring, add the two prepared dispersions respectively to obtain the nano-alumina dispersion and the nano-calcium fluoride dispersion respectively, and stir ultrasonically for 25 minutes;

[0042] (2) Then, mix two nano-alumina dispersions and nano-calcium fluoride dispersions together, and add micron alumina, micron titanium carbide and sintering aid magnesium oxide into the mixed solution according to the proportion, and ultrasonically disperse for 25 minutes;

[0043] (3) Add the disp...

Embodiment 3

[0047] Nano solid lubricant and nano ceramic particle composite modified tool material, the volume percentage of the raw material component is: 45% micron Al 2 o 3 , 34.5% micron TiC, 15% nano CaF 2 , 4.5% nano-Al 2 o 3 Ceramic particles, 1% MgO.

[0048] The preparation method is as follows:

[0049] (1) Weigh polyethylene glycol 4000 as a dispersant, dissolve it in absolute ethanol, and prepare two 100mL PEG4000 dispersions with a concentration of 2g / L; weigh nano-alumina and nano-calcium fluoride in the ultrasonic and Under the condition of mechanical stirring, add to two prepared dispersions respectively to obtain nano-alumina dispersion and nano-calcium fluoride dispersion respectively, and ultrasonically stir for 30 minutes;

[0050] (2) Then, mix two nano-alumina dispersions and nano-calcium fluoride dispersions together, and add micron alumina, micron titanium carbide and sintering aid magnesium oxide into the mixed solution according to the proportion, and ultras...

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 diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
particle sizeaaaaaaaaaa
Login to View More

Abstract

The invention relates to a nano solid lubricant and nano ceramic grain composite modified cutter material and a preparation method thereof. The cutter material comprises the following ingredients in percentage by volume: 20-50% of micron titanium carbide, 5-15% of nano calcium fluoride, 3-6% of nano aluminum oxide ceramic grains, 0.5-1.5% of magnesium oxide and the balance of micron aluminum oxide. The preparation method comprises the following steps of firstly, preparing dispersion liquids of the nano calcium fluoride and the nano aluminum oxide, mixing and adding the magnesium oxide, the micron aluminum oxide and the micron titanium carbide, mixing, dispersing, carrying out ball-milling and drying to obtain powder, and sintering by using a hot-press method. According to the cutter material, the nano ceramic grains Al2O3 and a nano solid lubricant CaF2 are successfully introduced into a ceramic matrix, so that the mechanical property and the tribological property are both considered, and the cutter material which is good in mechanical property and good in self-lubrication property is obtained. The cutter material is low in material cost and simple in process, and industrial production is easy to carry out.

Description

technical field [0001] The invention relates to the technical field of ceramic tool materials, in particular to a tool material compounded and modified by nano solid lubricants and nano ceramic particles and a preparation method thereof. Background technique [0002] Tool materials, especially for high-speed dry cutting, have become the key to modern manufacturing technology. High-speed dry cutting tool materials refer to tool materials that can achieve dry cutting under high-speed conditions. High-speed dry cutting requires that the chemical affinity between the tool material and the material being processed must be small, and must have good heat resistance, extremely high red hardness and thermal toughness. At present, the tool materials suitable for high-speed dry cutting include polycrystalline diamond tools, cubic boron nitride tools, cermets and ceramic tools. Ceramic tool materials have the advantages of high temperature hardness, chemical stability and good adhesio...

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 Applications(China)
IPC IPC(8): C04B35/63C04B35/10C04B35/56C04B35/622
Inventor 许崇海衣明东肖光春冯益华陈照强方斌魏高峰
Owner QILU 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