Unlock instant, AI-driven research and patent intelligence for your innovation.

A kind of titanium-coated cubic boron nitride composite sheet and its preparation process

A cubic boron nitride and preparation process technology, applied in metal material coating process, sputtering coating, metal processing equipment, etc. Efficiency and other issues, to achieve the effect of improving performance compatibility, eliminating the "bridge" effect, and increasing the degree of densification

Active Publication Date: 2020-08-11
ZHONGNAN DIAMOND CO LTD
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The common cubic boron nitride composite sheets in the prior art are usually prepared by ordinary (no surface coating) cubic boron nitride particles. Due to the structural defects and performance compatibility problems on the surface of ordinary cubic boron nitride particles, the cubic boron nitride composite sheet is affected. Improvement of Service Life and Efficiency of Boron Nitride Composite Sheets

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A preparation process of a titanium-plated cubic boron nitride composite sheet, comprising the following steps:

[0036] 1) Cobalt removal on the surface of the cemented carbide substrate: wrap the polytetrafluoroethylene protective material on the bottom and side of the cemented carbide substrate, and then place it on the HNO 3 :H 2 Etch in a solution with O volume ratio of 1:2.5 for 50 min, take out the cemented carbide substrate and rinse it with ion water to neutrality to obtain a cemented carbide substrate with decobalt on the surface, the thickness of the decobalt layer is 150 μm, and the cobalt content of the decobalt layer 1.6% (weight percentage);

[0037] Among them, the material grade of the cemented carbide substrate is YG12, and the specification is φ45mm×3.0mm;

[0038] 2) Titanium coating on the surface of cubic boron nitride micropowder: TiO 2 , MgO, NaCl and Al are mixed in a mass ratio of 35: 25: 30: 10 to obtain component A, and absolute ethanol, b...

Embodiment 2

[0053] A preparation process of a titanium-plated cubic boron nitride composite sheet, comprising the following steps:

[0054] 1) Cobalt removal on the surface of the cemented carbide substrate: wrap the polytetrafluoroethylene protective material on the bottom and side of the cemented carbide substrate, and then place it on the HNO 3 :H 2 Etching in a solution with O volume ratio of 1:3 for 160 min, took out the cemented carbide substrate and rinsed it with ionized water until neutral to obtain a cemented carbide substrate with decobalt on the surface, the thickness of the decobalt layer was 300 μm, and the cobalt content of 1.8% (weight percentage);

[0055] Among them, the material grade of the cemented carbide substrate is YG12, and the specification is φ45mm×3.0mm;

[0056] 2) Titanium coating on the surface of cubic boron nitride micropowder: TiO 2 , MgO, NaCl and Al are mixed in a mass ratio of 45:22:25:8 to obtain component A, and absolute ethanol, butanol, PEG200 ...

Embodiment 3

[0071] A preparation process of a titanium-plated cubic boron nitride composite sheet, comprising the following steps:

[0072] 1) Cobalt removal on the surface of the cemented carbide substrate: wrap the polytetrafluoroethylene protective material on the bottom and side of the cemented carbide substrate, and then place it on the HNO 3 :H 2 Etching in a solution with O volume ratio of 1:2.75 for 105 min, took out the cemented carbide substrate and rinsed it with ion water to neutrality to obtain a cemented carbide substrate with decobalt on the surface, the thickness of the decobalt layer was 225 μm, and the cobalt content of 1.7% (weight percentage);

[0073] Among them, the material grade of the cemented carbide substrate is YG12, and the specification is φ45mm×3.0mm;

[0074] 2) Titanium coating on the surface of cubic boron nitride micropowder: TiO 2 , MgO, NaCl and Al are mixed in a mass ratio of 40:23.5:27.5:9 to obtain component A, and absolute ethanol, butanol, PEG2...

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
particle diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
Login to View More

Abstract

The invention discloses a titanium-coated cubic boron nitride composite sheet and its preparation process. The preparation process comprises: 1) decobalt on the surface of a hard alloy substrate; 2) titanium-coating on the surface of cubic boron nitride micropowder; 3) titanium-coated cubic Purification of boron nitride micropowder; 4) Preparation of cubic boron nitride powder layer mixture; 5) Preparation of composite components; 6) Preparation of composite sheets to obtain titanium-coated cubic boron nitride composite sheets. The titanium-plated cubic boron nitride composite sheet prepared by the invention meets the high-precision and high-efficiency processing requirements of superhard composite material cutters used in cutting and milling processing techniques.

Description

technical field [0001] The invention belongs to the technical field of superhard materials, and in particular relates to a titanium-coated cubic boron nitride composite sheet and a preparation process thereof. Background technique [0002] Cubic boron nitride composite sheet is a superhard composite material sintered under high temperature and high pressure conditions with cubic boron nitride micropowder and cemented carbide substrate as the substrate. Because of its high hardness and wear resistance of cubic boron nitride It has the characteristics of good resistance, and at the same time, it has the characteristics of strong impact resistance and good weldability of cemented carbide, so it is widely used in the field of machining tools. [0003] Cubic boron nitride composite sheet is a tool material with excellent performance. Due to its very high chemical inertness with iron group elements, it plays an indispensable role in the processing of high toughness, high wear resi...

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): C23F1/28C23C14/18B22F1/02B22F1/00B22F9/04B22F3/10B22F3/14B22F7/04B22F5/00C22C29/16C22C26/00
CPCC22C26/00C23C14/18C23F1/28B22F3/001B22F3/101B22F3/14B22F5/00B22F7/04B22F9/04B22F2009/043B22F2005/001C22C2026/007C22C2026/006B22F1/105B22F1/142B22F1/17
Inventor 张涛卢灿华窦明刘俊涛
Owner ZHONGNAN DIAMOND CO LTD
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com