Titanium alloy with high heat conductivity and liquid spinodal decomposition for casting

An amplitude modulation decomposition, titanium alloy technology, applied in the field of alloys, can solve the problems of insufficient heat transfer performance and electrical conductivity, poor mechanical properties of titanium alloys, etc., to achieve beneficial physical and mechanical properties, high density, and smooth surface.

Inactive Publication Date: 2019-01-04
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the actual use process, the titanium alloy for casting is either poor in mechanical properties, or the heat transfer performance or electrical conductivity cannot meet the requirements of use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A titanium alloy with high thermal conductivity and liquid amplitude modulation decomposition for casting. In terms of weight percentage, the composition of the alloy is Sn: 4.0wt.%, Gd: 0.5wt.%, Yb: 1.2wt.%, Sb: 3.0wt.%, Ni: 5.0wt.%, Cu: 2.0wt.% , Ge: 1.0wt.%, Ag: 1.2wt.%, and the balance is titanium. The above-mentioned titanium alloy with high thermal conductivity and liquid amplitude modulation decomposition for casting comprises the following steps: the raw material is titanium sponge, and the alloying elements are added in the form of pure metal or intermediate alloy. After the alloy raw materials are batched and mixed, they are pressed into small electrodes with a press. Weld several small electrode groups together and put them into a vacuum consumable furnace for smelting 3 times. In the last smelting process, the titanium alloy melt is cast out of the furnace in a vacuum furnace; the alloy casting adopts a steel mold with a diameter of 100-150 mm, and the tem...

Embodiment 2

[0020] A titanium alloy with high thermal conductivity and liquid amplitude modulation decomposition for casting. In terms of weight percentage, the composition of the alloy is Sn: 6.0wt.%, Gd: 0.8wt.%, Yb: 1.4wt.%, Sb: 3.8wt.%, Ni: 6.0wt.%, Cu: 3.0wt.% , Ge: 1.0wt.%, Ag: 1.5wt.%, and the balance is titanium. The above-mentioned titanium alloy with high thermal conductivity and liquid amplitude modulation decomposition for casting comprises the following steps: the raw material is titanium sponge, and the alloying elements are added in the form of pure metal or intermediate alloy. After the alloy raw materials are batched and mixed, they are pressed into small electrodes with a press. Weld several small electrode groups together and put them into a vacuum consumable furnace for smelting 3 times. In the last smelting process, the titanium alloy melt is cast out of the furnace in a vacuum furnace; the alloy casting adopts a steel mold with a diameter of 100-150 mm, and the tem...

Embodiment 3

[0023] A titanium alloy with high thermal conductivity and liquid amplitude modulation decomposition for casting. In terms of weight percentage, the composition of the alloy is Sn: 4.2wt.%, Gd: 0.6wt.%, Yb: 1.3wt.%, Sb: 3.5wt.%, Ni: 5.2wt.%, Cu: 2.5wt.% , Ge: 1.2wt.%, Ag: 1.3wt.%, and the balance is titanium. The above-mentioned titanium alloy with high thermal conductivity and liquid amplitude modulation decomposition for casting comprises the following steps: the raw material is titanium sponge, and the alloying elements are added in the form of pure metal or intermediate alloy. After the alloy raw materials are batched and mixed, they are pressed into small electrodes with a press. Weld several small electrode groups together and put them into a vacuum consumable furnace for smelting 3 times. In the last smelting process, the titanium alloy melt is cast out of the furnace in a vacuum furnace; the alloy casting adopts a steel mold with a diameter of 100-150 mm, and the tem...

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Abstract

The invention discloses titanium alloy with high heat conductivity and liquid spinodal decomposition for casting. The alloy is prepared from the following components in percentage by weight: 4.0%-6.0%of Sn, 0.5%-0.8% of Gd, 1.2%-1.4% of Yb, 3.0%-3.8% of Sb, 5.0%-6.0% of Ni, 2.0%-3.0% of Cu, 1.0%-2.0% of Ge, 1.2%-1.5% of Ag and the balance of titanium. A technical scheme different from common titanium alloy is provided by the material for the application field of structural materials requiring lightweight, that is, the titanium alloy with excellent casting performance is provided. Updating andcommercial upgrading demands on novel materials of high-end titanium alloy in China can be greatly promoted by implementation and industrialization of the alloy.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a titanium alloy. Background technique [0002] Titanium is an important structural metal developed in the 1950s. It is widely used in various fields because of its high strength, good corrosion resistance, and high heat resistance. Titanium alloys with different structures can be obtained by adding appropriate alloying elements to titanium to gradually change the phase transition temperature and phase content. Titanium alloy has a series of excellent physical, mechanical and chemical properties, mainly in: (1) high specific strength. The density of titanium alloy is generally 4.5g / cm 3 About 60% of steel, the strength of pure titanium is close to that of ordinary steel, and some high-strength titanium alloys exceed the strength of many alloy structural steels. Therefore, the specific strength (strength / density) of titanium alloy is much higher than that of other metal structur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C14/00C22C1/02C22C1/03C22F1/18
CPCC22C1/02C22C1/03C22C14/00C22F1/183
Inventor 杨长江
Owner GUANGZHOU YUZHI TECH CO LTD
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