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Preparation method of aluminum-based titanium-nickel-aluminum alloy material

An aluminum alloy material, titanium-nickel technology, which is applied in the field of preparation of aluminum-based titanium-nickel-aluminum alloy materials, can solve the problems of high density, low alloy plasticity and strength, etc., and achieves low preparation cost, good plasticity and strength, and sintered body crystal. Grain uniform effect

Inactive Publication Date: 2018-12-11
张家港市汇鼎新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, the density of the titanium-nickel-aluminum alloy material is high, and the plasticity and strength of the alloy are low

Method used

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preparation example Construction

[0020] The invention discloses a preparation method of an aluminum-based titanium-nickel-aluminum alloy material. The preparation method comprises:

[0021] (1) Carry out ingredients according to the following mass percentages: nickel is 30-40%, titanium is 20-30%, chromium is 0.5-1.5%, cobalt is 0.3-0.8%, iron is 0.05-0.35%, and the balance is aluminum, Mix evenly, ball mill for 20-30min under the condition of rotating speed of 500-800r / min to obtain alloy powder;

[0022] (2) mixing the above-mentioned alloy powder and aluminum powder uniformly according to the mass ratio of 1:2~4, passing through 80~100 mesh sieves, and pressing the obtained refined powder under the pressure condition of 60~100MPa to obtain a billet;

[0023] (3) The above-mentioned billet is calcined at a temperature of 1250-1350° C. for 30-40 min, and cooled to obtain an aluminum-based titanium-nickel-aluminum alloy material.

[0024] Wherein, in the above step (1), the ball milling process is carried ou...

Embodiment 1

[0029] (1) The ingredients are made according to the following mass percentages: 30% of nickel, 20% of titanium, 0.5% of chromium, 0.3% of cobalt, 0.05% of iron, and the balance of aluminum, mixed evenly, at a speed of 500r / min Ball milling for 20min under conditions to obtain alloy powder;

[0030] (2) the above-mentioned alloy powder and aluminum powder are uniformly mixed according to the mass ratio of 1:2, pass through an 80-mesh sieve, and the obtained refined powder is pressed under the pressure condition of 60MPa to obtain a billet;

[0031] (3) The above-mentioned billet is calcined at a temperature of 1250° C. for 30 minutes, and cooled to obtain an aluminum-based titanium-nickel-aluminum alloy material.

Embodiment 2

[0033] (1) Carry out ingredients according to the following mass percentages: nickel is 32%, titanium is 23%, chromium is 0.75%, cobalt is 0.4%, iron is 0.1%, and the balance is aluminum. Ball-milling for 25min under conditions to obtain alloy powder;

[0034] (2) the above-mentioned alloy powder and aluminum powder are uniformly mixed according to the mass ratio of 1:3, pass through a 90-mesh sieve, and the obtained refined powder is pressed under the pressure condition of 80MPa to obtain a billet;

[0035] (3) The above-mentioned billet is calcined at a temperature of 1300° C. for 35 minutes, and cooled to obtain an aluminum-based titanium-nickel-aluminum alloy material.

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Abstract

The invention discloses a preparation method of an aluminum-based titanium-nickel-aluminum alloy material. The preparation method comprises the steps that (1) the materials, in percentage by mass, 30-40% of nickel, 20-30% of titanium, 0.5-1.5% of chromium, 0.3-0.8% of cobalt, 0.05-0.35% of iron and the balance of aluminum are blended uniformly and subjected to ball milling for 20-30 minutes at therotation speed of 500-800r / min, and alloy powder is obtained; (2) the alloy powder and aluminum powder are blended uniformly at the mass ratio of 1 to (2-4), the mixture passes through a 80-100 meshsieve, the obtained refined powder is pressed at the pressure of 60-100MPa, and a blank material is obtained; and (3) the blank material is roasted for 30-40 minutes at the temperature of 1250-1350 DEG C, then the product is cooled, and the aluminum-based titanium-nickel-aluminum alloy material is obtained. The aluminum-based titanium-nickel-aluminum alloy material has the good plasticity and strength, the sintered body is uniform in crystal grain, and the preparation cost is low.

Description

technical field [0001] The invention relates to the technical field of alloy materials, in particular to a preparation method of an aluminum-based titanium-nickel-aluminum alloy material. Background technique [0002] At present, in the fields of power, petrochemical, aviation and aerospace, the metal structural materials that can work for a long time at high temperatures above 600 ℃ and under certain stress are mainly nickel-based, iron-based and cobalt-based superalloys, but these materials have high Density (generally 8.0g / cm 3 The above) results in heavy weight of components and equipment, high energy consumption, low use efficiency, and even some potential unsafe factors, such as the high specific gravity of nickel-based alloys during the rotation of engine discs and blades, resulting in huge internal centrifugal force . Therefore, it is necessary to develop new lightweight high-temperature structural materials with low density and high specific strength to meet the n...

Claims

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Application Information

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IPC IPC(8): C22C30/00C22C1/04
CPCB22F2998/10C22C1/0416C22C1/0458C22C19/007C22C19/058C22C21/00C22C30/00B22F2009/043B22F3/02B22F3/10
Inventor 陆伟
Owner 张家港市汇鼎新材料科技有限公司
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