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Abrasion-resistant titanium alloy material and method for preparing same

An alloy material and titanium alloy technology, applied in the field of wear-resistant titanium alloy material and its preparation, can solve the problems of low hardness, poor wear resistance, easy wear and the like, and achieve high hardness, good wear resistance and corrosion resistance, The effect of not easy to wear and fall off

Inactive Publication Date: 2018-11-27
徐海东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The advantages of titanium alloy are high specific strength and good corrosion resistance. It is widely used as structural material in aerospace, petrochemical and other industrial sectors, but its disadvantages are low hardness and poor wear resistance. When used as pipe fittings, it is easy to wear

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0018] The invention also discloses a preparation method of a wear-resistant titanium alloy material, which includes the following steps:

[0019] (1) The alloy material of the following mass percentages is weighed: aluminum is 10-15%, copper is 2-5%, manganese is 1.5-3.2%, zirconium is 3-8%, silicon is 0.8-2.3%, chromium is 0.5-1.8%, the total amount of niobium and tantalum is 0.1-0.5%, and the balance is titanium, mixed evenly to obtain mixed powder;

[0020] (2) Put the above-mentioned mixed powder into a graphite or silicon carbide mold, place it in a vacuum sintering furnace, raise the temperature to 1000-1400°C at a rate of 50-150°C / min, sinter for 1-2 hours, and cool to room temperature with the furnace. A wear-resistant titanium alloy material is obtained.

[0021] Wherein, the mass ratio of the niobium to the tantalum is 1:2.

[0022] Wherein, the mass percentage of the inevitable impurities is less than or equal to 0.25%.

[0023] The following are described with ...

Embodiment 1

[0025] The wear-resistant titanium alloy material includes: 10% of aluminum, 2% of copper, 1.5% of manganese, 3% of zirconium, 0.8% of silicon, 0.5% of chromium, and the total amount of niobium and tantalum is 0.1%, the balance is titanium and unavoidable impurities.

[0026] The preparation method of the wear-resistant titanium alloy material comprises the following steps:

[0027] (1) The alloy material of the following mass percentages is weighed: aluminum is 10%, copper is 2%, manganese is 1.5%, zirconium is 3%, silicon is 0.8%, chromium is 0.5%, and the total amount of niobium and tantalum is 0.1%, the balance is titanium, mixed evenly to obtain mixed powder;

[0028] (2) Put the above mixed powder into a graphite or silicon carbide mold, place it in a vacuum sintering furnace, heat up to 1000°C at a rate of 50°C / min, sinter for 1 hour, and cool to room temperature with the furnace to obtain a wear-resistant titanium alloy material .

Embodiment 2

[0030] The wear-resistant titanium alloy material includes: 11% of aluminum, 3% of copper, 2.2% of manganese, 4% of zirconium, 1.3% of silicon, 1% of chromium, and the total amount of niobium and tantalum is 0.2%, the balance is titanium and unavoidable impurities.

[0031] The preparation method of the wear-resistant titanium alloy material comprises the following steps:

[0032] (1) take by weighing the alloy material of following mass percent: aluminum is 11%, copper is 3%, manganese is 2.2%, zirconium is 4%, silicon is 1.3%, chromium is 1%, the total amount of niobium and tantalum is 0.2%, the balance is titanium, mixed evenly to obtain mixed powder;

[0033] (2) Put the above mixed powder into a graphite or silicon carbide mold, place it in a vacuum sintering furnace, raise the temperature to 1250°C at a rate of 100°C / min, sinter for 1.5h, and cool to room temperature with the furnace to obtain a wear-resistant titanium alloy Material.

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Abstract

The invention discloses an abrasion-resistant titanium alloy material. The abrasion-resistant titanium alloy material comprises, by weight, 10-15% of aluminum, 2-5% of copper, 1.5-3.2% of manganese, 3-8% of zirconium, 0.8-2.3% of silicon, 0.5-1.8% of chromium, 0.1-0.5% of niobium and tantalum, the balance titanium and inevitable impurities. The invention further discloses a method for preparing the abrasion-resistant titanium alloy material. The method includes steps of (1), weighing alloy materials with the weights and uniformly mixing the alloy materials with one another to obtain mixed powder; (2), filling graphite or silicon carbide molds with the mixed powder, placing the graphite or silicon carbide molds in vacuum sintering furnaces, heating the vacuum sintering furnaces at the ratesof 50-150 DEG C / min until the temperatures of the vacuum sintering furnaces reach 1000-1400 DEG C, carrying out sintering for 1-2 h and carrying out furnace cooling until the temperatures reach the room temperature so as to obtain the abrasion-resistant titanium alloy material. The abrasion-resistant titanium alloy material and the method have the advantages that the abrasion-resistant titanium alloy material is high in hardness and good in abrasion resistance and corrosion resistance; the abrasion-resistant titanium alloy material is excellent in impact resistance and difficult to abrade orfall off.

Description

technical field [0001] The invention relates to the technical field of alloy materials, in particular to a wear-resistant titanium alloy material and a preparation method thereof. Background technique [0002] With the development of society and the production needs of the manufacturing industry, the requirements for wear-resistant and corrosion-resistant alloy materials are getting higher and higher, especially for different use environments. Targeted and professional alloy materials are put forward. [0003] Titanium alloy pipe is a pipe made of titanium alloy. It has high mechanical properties, excellent stamping performance, and can be welded in various forms. The strength of the welded joint can reach 90% of the strength of the base metal, and the cutting performance is good. The advantages of titanium alloy are high specific strength and good corrosion resistance. It is widely used as structural material in aerospace, petrochemical and other industrial sectors, but its...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C14/00C22C1/04
CPCC22C1/0458C22C14/00
Inventor 徐海东
Owner 徐海东