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High-temperature wear-resistance self-lubricating TiB2 base coating and preparation method and application thereof

A high-temperature wear-resistant and self-lubricating technology, which is applied in coatings, metal material coating processes, ion implantation plating, etc., can solve the problems of poor high-temperature friction and wear properties of coatings, limited applications, and low melting point, so as to reduce friction Abrasion, enhanced flexibility and adhesion, reduced metal adhesion effects

Inactive Publication Date: 2019-06-25
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

TiO 2 Loose structure, poor performance; B 2 o 3 Low melting point, high temperature is volatile, which makes TiB 2 The high-temperature friction and wear properties of the coating are poor, which greatly limits its application in actual industry

Method used

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  • High-temperature wear-resistance self-lubricating TiB2 base coating and preparation method and application thereof
  • High-temperature wear-resistance self-lubricating TiB2 base coating and preparation method and application thereof
  • High-temperature wear-resistance self-lubricating TiB2 base coating and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 1. Preparation of composite coating machine: This implementation chooses to use a composite magnetron sputtering coating machine, including a vacuum chamber, three magnetron sputtering sources, an ion source and a workpiece support that can rotate at the same time. The workpiece support is installed inside the vacuum chamber ; Two magnetron sputtering sources are loaded with 99.8% pure yttrium target and 99.8% pure vanadium target, and the other magnetron sputtering source is loaded with 99.8% pure TiB 2 target;

[0026] 2. Sample pre-cleaning treatment: ultrasonically clean the sample to be coated with alcohol, then rinse with deionized water, and blow dry with dry compressed nitrogen;

[0027] 3. Place the substrate on the workpiece holder of the vacuum chamber, and vacuum the vacuum chamber to a vacuum degree of 5.0×10 –3 Below Pa, turn on the ion source, pass 120sccm argon gas into the ion source, set the ion source power to 2kW, set the workpiece holder bias voltage to 1...

Embodiment 2

[0033] 1. Preparation of the coating machine: The ion beam composite magnetron sputtering coating machine selected in this implementation includes a vacuum chamber, three magnetron sputtering sources, an ion source and a workpiece support that can rotate at the same time. The workpiece support is installed in a vacuum Inside the chamber; two magnetron sputtering sources are loaded with 99.5% purity lanthanum targets and 99.5% purity molybdenum targets, and the other magnetron sputtering source is loaded with 99.5% purity TiB 2 target;

[0034] 2. Sample (substrate) pre-cleaning treatment: ultrasonically clean the sample (substrate) to be coated with alcohol, then rinse with deionized water and blow dry with dry compressed nitrogen;

[0035] 3. Place the substrate on the workpiece holder of the vacuum chamber, and vacuum the vacuum chamber to a vacuum degree of 5.0×10 –3 Below Pa, turn on the ion source, pass 120sccm argon gas into the ion source, set the ion source power to 1.5kW, s...

Embodiment 3

[0040] 1. Preparation of composite coating machine: The ion beam composite magnetron sputtering coating machine selected in this implementation includes a vacuum chamber, two magnetron sputtering sources, an ion source and a workpiece support that can rotate at the same time. The workpiece support is installed in Inside the vacuum chamber; two magnetron sputtering sources are loaded with 99.6% pure yttrium target and 99.6% pure tungsten target, and the other magnetron sputtering source is loaded with 99.6% pure TiB 2 target;

[0041] 2. Sample (substrate) pre-cleaning treatment: ultrasonically clean the sample (substrate) to be coated with alcohol, then rinse with deionized water and blow dry with dry compressed nitrogen;

[0042] 3. Place the substrate on the workpiece holder of the vacuum chamber, and vacuum the vacuum chamber to a vacuum degree of 5.0×10 –3 Below Pa, turn on the ion source, pass 120sccm argon gas into the ion source, set the ion source power to 1kW, set the workp...

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Abstract

The invention belongs to the field of surface treatment protecting, and discloses a high-temperature wear-resistance self-lubricating TiB2 base coating and a preparation method and application thereof. The TiB2 base coating is characterize in that an x element and a y element are dissolve in TiB2 crystals, wherein the x element is yttrium or lanthanum, and the y element is vanadium, molybdenum ortungsten. The x metal element and y metal element are introduced into the TiB2 base coating, functions of bonding resisting, high-temperature self lubricating and the like are achieved by the surfaceof the coating, the friction wearing and metal adhesion on the TiB2 coating when titanium alloy is cut in high speed by using a cutter, the coating is more suitable for severer application environments, and therefore better surface protecting effect is achieved.

Description

Technical field [0001] The invention belongs to the technical field of surface treatment and protection, and more specifically, relates to a high-temperature wear-resistant self-lubricating TiB 2 Base coating and its preparation method and application. Background technique [0002] TiB 2 It is a type of transition metal boride, with a series of excellent physical and chemical properties, such as high red hardness, high melting point, high wear resistance and corrosion resistance, excellent chemical stability and inertness, making TiB 2 The coating has huge potential application advantages in many high temperature and harsh environments, such as titanium alloy cutting and high temperature hot pressing. But TiB 2 The coating easily reacts with oxygen in a high temperature environment to form B 2 O 3 And TiO 2 And other oxidation products. TiO 2 Loose structure and poor performance; B 2 O 3 Low melting point and volatile at high temperature, which makes TiB 2 The coating has poor hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/06C23C14/35
Inventor 代伟刘凡王启民李谞伍一铭
Owner GUANGDONG UNIV OF TECH
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