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High-purity and high-density aluminum-titanium alloy ingot and manufacturing method thereof

A technology of aluminum-titanium alloy and manufacturing method, which is applied in the field of high-purity and high-density aluminum-titanium alloy ingots and its manufacturing, can solve the problems of uneven composition, non-dense structure, and high smelting cost of intermediate alloy ingots, and achieve the reduction of gas inclusions, Small molecular diameter, good air permeability

Inactive Publication Date: 2019-05-21
JIANGSU HUAQI ALUMINUM SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the aluminum-titanium master alloy ingots currently on the market have the following problems: 1. High smelting costs; 2. The amount of single casting is small and the quality fluctuates greatly with time; The dosage is not allowed; 4. Insufficient structure brings too much air and sundries to the smelting, which affects the smelting effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A high-purity and high-density aluminum-titanium alloy ingot, the aluminum-titanium alloy ingot is 15% aluminum-titanium, which contains 83% aluminum, 15.97% titanium and 0.03% impurities.

[0024] The manufacturing method of the above-mentioned high-purity and high-density aluminum-titanium alloy ingot comprises the following steps:

[0025] 1) Raw material preparation

[0026] ① Raw material preparation: Prepare 830Kg of aluminum ingots with a purity of not less than 99.95%, 105Kg of titanium sponge, and 65Kg of recycled waste titanium pins by weight;

[0027] ②Auxiliary material preparation: prepare a sufficient amount of carbon monoxide;

[0028] ③Equipment and tooling preparation: a silicon carbide ceramic hydraulic cylinder with a carbon fiber heating system inside, a silicon carbide ceramic hydraulic rod matched at the input end of the hydraulic cylinder, a silicon carbide ceramic output pipe connected to the output end of the ceramic hydraulic cylinder, and a c...

Embodiment 2

[0037] The whole is consistent with Example 1, the difference is:

[0038] A high-purity and high-density aluminum-titanium alloy ingot, the aluminum-titanium alloy ingot is 15% aluminum-titanium, which contains 85% aluminum, 13.98% titanium, and no more than 0.02% impurities.

[0039] The manufacturing method of the above-mentioned high-purity and high-density aluminum-titanium alloy ingot comprises the following steps:

[0040] 1) Raw material preparation

[0041] ① Raw material preparation: Prepare 850Kg of aluminum ingots with a purity of not less than 99.95%, 95Kg of sponge titanium, and 55Kg of newly purchased titanium pins by weight;

[0042] 2) Metal liquid acquisition and purification

[0043] ①Put the original aluminum ingot prepared in step ① in 1) into the vacuum electroslag remelting equipment prepared in step ③ of stage 1), and put it in a vacuum degree of 10- 4 Heat in the environment of Pa until the aluminum ingot is completely melted, and then continue to h...

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PUM

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Abstract

The invention discloses a high-purity and high-density aluminum-titanium alloy ingot and a manufacturing method thereof. The aluminum-titanium alloy ingot is 15% of aluminum-titanium which comprises 83%-86% of aluminum, 14%-16% of titanium and not larger than 0.05% of impurities. Raw materials including, by weight, 83-85 parts of aluminum ingots, 9.5-10.5 parts of titanium sponges and 5.5-6.5 parts of titanium nitrate are adopted, vacuum electroslag remelting, carbon monoxide deoxygenization and degassing and homogenization of an electromagnetic stirring device are adopted, a ceramic hydraulicsystem is adopted as a pressure source and a container, a stainless steel mold with circulating water inside is used for rapid cooling, the hydraulic system is used for pressurization, and rapid andcontinuous casting is achieved. The high-purity and high-density aluminum-titanium alloy ingot has the technical effects of high purity, high density, convenient smelting and one-time forming.

Description

technical field [0001] The invention relates to the field of master alloy smelting, in particular to a high-purity and high-density aluminum-titanium alloy ingot and a manufacturing method thereof. Background technique [0002] Due to its excellent performance, aluminum alloys are widely used in various fields in actual production and life. Aluminum alloys can be divided into cast aluminum alloys and wrought aluminum alloys, and wrought aluminum alloys can be divided into heat-treated and non-heat-treated wrought aluminum alloys. In order to obtain excellent comprehensive mechanical properties of cast aluminum alloy and non-heat-treated strengthened deformed aluminum alloy, it is necessary to obtain a fine and uniform equiaxed grain structure. There are three main methods of grain refinement for aluminum alloys: (1) controlling the cooling rate of metal solidification; (2) mechanical physical refinement; (3) chemical refinement by adding a grain refiner. So far the most ef...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22C1/02B22D7/00
Inventor 谢石华
Owner JIANGSU HUAQI ALUMINUM SCI & TECH
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