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

A long service life cemented carbide

A technology of hard alloy and long life, which is applied in the direction of metal material coating process, vacuum evaporation plating, coating, etc., can solve the problems of ignoring the matching of cemented carbide matrix, the overall structure is complicated, and it is not suitable for popularization and use, so as to improve the comprehensive Performance, simple preparation process, good hardness and effect of oxidation resistance

Active Publication Date: 2022-06-14
株洲思瑞普硬质合金股份有限公司
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, there are many coatings in this scheme, and there are certain problems in the combination between the coatings, and the overall structure is complex, which is not suitable for popularization and use.
[0007] Moreover, the existing modification methods only focus on the coating, ignoring the cooperation with the cemented carbide substrate.

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
  • A long service life cemented carbide
  • A long service life cemented carbide

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0037] The preparation method of the cemented carbide comprises the following steps:

[0038] (1) Surface cleaning of cemented carbide, ultrasonic cleaning of cemented carbide after soaking in acetone, and then ion etching;

[0039] (2) Maintain the internal temperature of the ion plating equipment at 400-500 ° C, introduce nitrogen, and turn on AlCrSiM in turn 1 N target and AlCrYN target, the coating is plated on the surface of cemented carbide;

[0040] Among them, control AlCrSiM 1 The thickness of N coating and AlCrYN coating is 0.5-3 μm, preferably 1-2 μm;

[0041] AlCrSiM 1 In N coating, Al:Cr:Si:M 1 The atomic ratio of 3-6:2-5:1-2:1-2;

[0042] In the AlCrYN coating, the atomic ratio of Al:Cr:Y is 4-6:3-5:1.

Embodiment 1

[0044] A long-life cemented carbide, the cemented carbide is plated with a coating, the coating comprises a double-layer structure, and is composed of a bonding layer and a surface layer, the bonding layer is an AlCrSiLaN coating, and the surface layer For AlCrYN coating.

[0045] The bonding layer is plated on the surface of the cemented carbide.

[0046] The preparation method of the cemented carbide comprises the following steps:

[0047] (1) Surface cleaning of cemented carbide, ultrasonic cleaning of cemented carbide after soaking in acetone, and then ion etching;

[0048] The cemented carbide is WC-Co-La cemented carbide;

[0049] In the cemented carbide, the mass ratio of WC-Co-La is 90:4:6.

[0050] (2) Maintain the internal temperature of the ion plating equipment at 450°C, pass nitrogen gas, turn on the AlCrSiLaN target and the AlCrYN target in turn, and coat the coating on the surface of the cemented carbide;

[0051] Among them, the thickness of control AlCrSiL...

Embodiment 2

[0055]A long-life cemented carbide, the cemented carbide is plated with a coating, the coating comprises a double-layer structure, and is composed of a bonding layer and a surface layer, the bonding layer is an AlCrSiCeN coating, and the surface layer For AlCrYN coating.

[0056] The bonding layer is plated on the surface of the cemented carbide.

[0057] The preparation method of the cemented carbide comprises the following steps:

[0058] (1) Surface cleaning of cemented carbide, ultrasonic cleaning of cemented carbide after soaking in acetone, and then ion etching;

[0059] The cemented carbide is WC-Co-Ce cemented carbide;

[0060] In the cemented carbide, the mass ratio of WC-Co-Ce is 90:4:6.

[0061] (2) Maintain the internal temperature of the ion plating equipment at 450°C, pass nitrogen gas, turn on the AlCrSiCeN target and the AlCrYN target in turn, and coat the coating on the surface of the cemented carbide;

[0062] Among them, the thickness of control AlCrSiCe...

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
thicknessaaaaaaaaaa
Login to View More

Abstract

The invention relates to the technical field of cemented carbide, in particular to a cemented carbide with a long service life, the surface of which is coated with a coating, the coating comprises a double-layer structure, consisting of a bonding layer and a surface layer, the bonding layer is AlCrSiM 1 N coating, the surface layer is AlCrYN coating; through the cooperation of the coating and the cemented carbide substrate, the overall wear resistance of the material is greatly improved, while maintaining good hardness and oxidation resistance, improving the hardness The service life of the alloy reduces the cost.

Description

technical field [0001] The invention relates to the technical field of cemented carbide, in particular to a cemented carbide with long service life. Background technique [0002] Cemented carbide is a sintered material composed of a hard refractory metal carbide phase and a bonded metal phase. It has the characteristics of high hardness, high strength, high elastic modulus, good wear resistance and corrosion resistance, and is widely used in various Cutting tools, mining tools and wear-resistant and corrosion-resistant parts, etc. [0003] Generally, a coating is plated on the surface of the cemented carbide. The coating of the cemented carbide has long service life and excellent oxidation resistance, which improves the comprehensive performance of the cemented carbide, improves the processing quality and reduces the processing cost. AlCrN coating has excellent high temperature oxidation resistance and good toughness, and is a commonly used coating material for cutting tool...

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): C22C29/08C23C14/02C23C14/06C23C14/32C23C14/54
CPCC22C29/08C22C29/067C23C14/32C23C14/0021C23C14/0641C23C14/022C23C14/54
Inventor 蔡球黄水林刘强李广龙水海谭智斌
Owner 株洲思瑞普硬质合金股份有限公司