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Corrosion-resistant and abrasion-resistant titanium alloy and preparation method thereof

A titanium alloy, corrosion-resistant technology, applied in the field of corrosion-resistant and wear-resistant titanium alloy and its preparation, can solve the problems of high melting point of Mo, inconvenient smelting, high energy consumption, etc., achieve good performance of alloy materials, facilitate industrial production, and prepare process easy effect

Inactive Publication Date: 2011-10-12
NANJING UNIV OF INFORMATION SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, Mo is used because of its high melting point, which is not convenient for smelting, high energy consumption and high cost.

Method used

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  • Corrosion-resistant and abrasion-resistant titanium alloy and preparation method thereof
  • Corrosion-resistant and abrasion-resistant titanium alloy and preparation method thereof
  • Corrosion-resistant and abrasion-resistant titanium alloy and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0025] The corrosion-resistant and wear-resistant titanium alloy of this embodiment includes the following components in terms of weight percentage: 2% Zr, 0.2% Pr, 3% Fe, 3% Cu, 0.03% Gd, and the rest is Ti. The titanium alloy is distributed with fine complex compounds on the matrix; such as figure 1 shown.

[0026] The preparation of the corrosion-resistant and wear-resistant titanium alloy of the present embodiment comprises the following steps:

[0027] 1) Prepare the raw materials of each component, Zr uses pure zirconium particles, Pr uses pure praseodymium particles, Ti is sponge titanium, Cu uses copper plates, Fe uses pure iron rods, and Gd uses gadolinium iron containing Gd60%;

[0028] 2) Put the raw materials of Ti, Zr, Pr, Cu and Fe into the electric furnace to melt, the melting temperature is 1690-1720°C, and put the raw materials of Gd at the bottom of the titanium alloy bag;

[0029] 3) Pour the melted titanium alloy liquid into a bag with Gd raw material at ...

Embodiment 2

[0031] The corrosion-resistant and wear-resistant titanium alloy of this embodiment includes the following components according to weight percentage: Zr is 3%, Pr is 0.5%, Fe is 5%, Cu is 5%, Gd is 0.09%, and the rest is Ti. The titanium alloy has fine complex compounds distributed on the matrix; the preparation method refers to Example 1.

Embodiment 3

[0033] The corrosion-resistant and wear-resistant titanium alloy of this embodiment includes the following components according to weight percentage: Zr is 2.5%, Pr is 0.3%, Fe is 4%, Cu is 4%, Gd is 0.05%, and the rest is Ti. The titanium alloy has fine complex compounds distributed on the matrix; the preparation method refers to Example 1.

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Abstract

The invention provides corrosion-resistant and abrasion-resistant titanium alloy. The titanium alloy comprises the following components in percentage by weight: 2 to 3 percent of Zr, 0.2 to 0.5 percent of Pr, 3 to 5 percent of Fe, 3 to 5 percent of Cu, 0.03 to 0.09 percent of Gd and the balance of Ti. The invention also provides a preparation method for the corrosion-resistant and abrasion-resistant titanium alloy. The corrosion-resistant and abrasion-resistant titanium alloy and the preparation method thereof have the following advantages that: 1, because proper components and content thereof are chosen, and the components coact, the produced alloy material has high performance and superior normal mechanical property, improves the tensile strength and the impact toughness and has a good corrosion-resistant and abrasion-resistant effect; and 2, the alloy has a simple and convenient preparation process and low production cost and is suitable for industrial production.

Description

technical field [0001] The invention relates to a corrosion-resistant and wear-resistant titanium alloy and a preparation method thereof, belonging to the field of metal materials. Background technique [0002] At present, in the field of metal materials, the corrosion and wear resistance of titanium alloys has received more and more attention. [0003] Chinese patent CN200510027351.2 relates to a preparation method of a fine-grain wear-resistant titanium-nickel-copper alloy, in which titanium with an atomic percentage of 48% to 55%, nickel with an atomic percentage of 35% to 47%, and copper with a percentage of 5% to 10% are added to the Melting under vacuum conditions to make titanium-nickel-copper-based alloy ingots, cutting titanium-nickel-copper alloy blocks into billets, and coating glass lubricants after surface treatment. The mold adopts an equal-diameter curved angle extrusion mold with an extrusion channel angle of 90°, and the surface of the mold cavity is coated...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C14/00C22C1/02
Inventor 赵浩峰王玲李庆芳
Owner NANJING UNIV OF INFORMATION SCI & TECH