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Liquid metal flame-retardant Be-containing titanium alloy for 500-1200 degrees

A liquid metal and titanium alloy technology, applied in the field of alloys, can solve the problems of ineffective flame retardancy of titanium alloys, reduce the heat generated by material oxidation, reduce the heat transfer performance of materials, etc., and achieve excellent corrosion resistance and processing deformation performance, reducing intergranular corrosion, and improving corrosion resistance

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

Improving the heat transfer coefficient of titanium alloys cannot effectively solve the flame retardant problem of titanium alloys, because the heat transfer performance of materials decreases rapidly after alloying
In addition, considering the activity of titanium alloys, it is not realistic to reduce the heat generated by oxidation of materials.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A Be-containing titanium alloy for liquid metal flame-retardant 500-1200 degrees. In terms of weight percentage, the composition of the alloy is Be: 1.0wt.%, Sn: 2.5wt.%, In: 3.0wt.%, Bi: 1.4wt.%, W: 0.2wt.%, Ta: 1.5wt.%. , Co: 4.2wt.%, Se: 0.2wt.%, and the balance is titanium. The above-mentioned Be-containing titanium alloy for liquid metal flame-retardant 500-1200 degrees includes the following steps: the raw material is titanium sponge, and the alloy elements are added in the form of pure metal or intermediate alloy; , pressed into small electrodes with a press; several small electrode groups were welded together, and put into an argon-protected consumable furnace for smelting 3 times; in the last melting process, the titanium alloy melt Inner casting out of the furnace; alloy casting adopts a steel mold with a diameter of 100-150mm, and uses water cooling to cool down. The cast rod is forged with a precision forging machine at room temperature, and the reduction ...

Embodiment 2

[0020] A Be-containing titanium alloy for liquid metal flame-retardant 500-1200 degrees. In terms of weight percentage, the composition of the alloy is Be: 1.2wt.%, Sn: 2.8wt.%, In: 3.2wt.%, Bi: 1.6wt.%, W: 0.4wt.%, Ta: 1.8wt.%. , Co: 4.5wt.%, Se: 0.4wt.%, and the balance is titanium. The above-mentioned Be-containing titanium alloy for liquid metal flame-retardant 500-1200 degrees includes the following steps: the raw material is titanium sponge, and the alloy elements are added in the form of pure metal or intermediate alloy; , pressed into small electrodes with a press; several small electrode groups were welded together, and put into an argon-protected consumable furnace for smelting 3 times; in the last melting process, the titanium alloy melt Inner casting out of the furnace; alloy casting adopts a steel mold with a diameter of 100-150mm, and uses water cooling to cool down. The cast rod is forged with a precision forging machine at room temperature, and the reduction ...

Embodiment 3

[0023] A Be-containing titanium alloy for liquid metal flame-retardant 500-1200 degrees. In terms of weight percentage, the composition of the alloy is Be: 1.1wt.%, Sn: 2.6wt.%, In: 3.1wt.%, Bi: 1.5wt.%, W: 0.3wt.%, Ta: 1.6wt.%. , Co: 4.4wt.%, Se: 0.3wt.%, and the balance is titanium. The above-mentioned Be-containing titanium alloy for liquid metal flame-retardant 500-1200 degrees includes the following steps: the raw material is titanium sponge, and the alloy elements are added in the form of pure metal or intermediate alloy; , pressed into small electrodes with a press; several small electrode groups were welded together, and put into an argon-protected consumable furnace for smelting 3 times; in the last melting process, the titanium alloy melt Inner casting out of the furnace; alloy casting adopts a steel mold with a diameter of 100-150mm, and uses water cooling to cool down. The cast rod is forged with a precision forging machine at room temperature, and the reduction ...

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Abstract

The invention discloses novel liquid metal flame-retardant Be-containing titanium alloy for 500-1200 degrees. The alloy comprises the following components in percentage by weight: 1.0-1.2 percent of Be, 2.5-2.8 percent of Sn, 3.0-3.2 percent of In, 1.4-1.6 percent of Bi, 0.2-0.4 percent of W, 1.5-1.8 percent of Ta, 4.2-4.5 percent of Co, 0.2-0.4 percent of Se and the balance of titanium. The material is the flame-retardant titanium alloy based on low-melting point liquid metal formed the surface of the titanium alloy at a high temperature and provides a material science solution for titanium alloy combustion at a high temperature due to friction or external fire. The implementation and the industrialization of the alloy can greatly promote the China's commercial upgrading needs on high-quality titanium alloy materials in the high-end field.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a titanium alloy. Background technique [0002] Titanium looks like steel, with a melting point of 1672°C, which is a refractory metal. The density of titanium is 4.51 grams / cm 3 , less than 60% of steel, is the metal with the lowest density among refractory metals. Among the commonly used metal elements, titanium is the fourth metal after iron, magnesium and aluminum. After alloying, titanium alloy has the characteristics of low density, high specific strength, good corrosion resistance, low thermal conductivity, non-toxic and non-magnetic, weldable, good biocompatibility, and strong surface decoration. After years of development, titanium alloys have reached an advanced level, whether it is low-strength high-plasticity titanium alloys, medium-strength titanium alloys, high-strength titanium alloys, ultra-high-strength titanium alloys, damage-tolerant titanium alloys, high-tem...

Claims

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Application Information

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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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