A kind of manufacturing method of high-quality titanium-aluminum alloy target

A titanium-aluminum alloy, high-quality technology, applied in the direction of metal material coating process, ion implantation plating, coating, etc., can solve the problems of unavoidable macroscopic shrinkage and porosity, low yield, etc., to prevent collapse, no The effect of crucible contamination and alloy composition uniformity

Active Publication Date: 2017-02-08
北京安泰六九新材料科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method can also avoid the pollution of the crucible to the metal melt, and there is a homogenization process in the melting process, the alloy composition is uniform, and the macro segregation is less. Due to the gravity casting method, the macro shrinkage cavity and porosity cannot be eliminated inside the ingot, and the finished product low rate

Method used

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  • A kind of manufacturing method of high-quality titanium-aluminum alloy target
  • A kind of manufacturing method of high-quality titanium-aluminum alloy target
  • A kind of manufacturing method of high-quality titanium-aluminum alloy target

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Effect test

Embodiment 1

[0059] The titanium-aluminum alloy target prepared in this embodiment is composed of the following elements by weight percentage: Ti 64%, Al 36%.

[0060] The manufacturing method is as follows:

[0061] (1) Ingredients: According to the above alloy composition design, weigh 0-grade sponge titanium and metal aluminum with a purity higher than 99.99%;

[0062] (2) Baking material: Put the weighed raw materials titanium and aluminum into a vacuum oven (vacuum degree of 5000Pa), keep it warm at 140°C for 5h, cool down to 35°C with the furnace, and take it out for use;

[0063] (3) Piezo electrode: Wrap the aluminum block with aluminum foil, divide the titanium sponge into two parts, first pour a part of the titanium sponge into the mold of the four-column electrode pressing machine, then put the aluminum block into the mold, and finally put the The remaining titanium sponge is poured into the mold;

[0064] (3) Piezo electrode: Wrap the aluminum block with aluminum foil, divide...

Embodiment 2

[0073] The titanium-aluminum alloy target prepared in this embodiment is composed of the following elements by weight percentage: Ti 60%, Al 40%.

[0074] The manufacturing method is as follows:

[0075] (1) Ingredients: According to the above alloy composition design, weigh 0-grade sponge titanium and metal aluminum with a purity higher than 99.99%;

[0076] (2) Baking materials: Put the weighed raw materials titanium and aluminum into a vacuum oven (vacuum degree is 5000Pa), keep it warm at 140°C for 4h, cool down to 38°C with the furnace and take it out for use;

[0077] (3) Piezo electrode: Wrap the aluminum block with aluminum foil, divide the titanium sponge into two parts, first pour a part of the titanium sponge into the mold of the four-column electrode pressing machine, then put the aluminum block into the mold, and finally put the The remaining titanium sponge is poured into the mould; the four-column electrode pressing machine is a commercially available product; ...

Embodiment 3

[0086] The titanium-aluminum alloy target prepared in this embodiment is composed of the following elements by weight percentage: Ti 70%, Al 30%.

[0087] The manufacturing method is as follows:

[0088] (1) Ingredients: According to the above alloy composition design, weigh 0-grade sponge titanium and metal aluminum with a purity higher than 99.99%;

[0089] (2) Baking material: Put the weighed raw materials titanium and aluminum into a vacuum oven (vacuum degree of 5000Pa), keep it warm at 145°C for 5h, cool down to 37°C with the furnace, and take it out for use;

[0090] (3) Piezo electrode: The aluminum block is wrapped with aluminum foil, and the titanium sponge is divided into two parts. First, pour a part of the titanium sponge into the mold of the four-column electrode pressing machine, then put the aluminum block into the mold, and finally put the remaining The titanium sponge is poured into the mould; the four-column electrode pressing machine is a commercially avai...

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Abstract

The invention discloses a manufacturing method of a high-quality titanium-aluminum alloy target. The manufacturing method is used for preparing the titanium-aluminum alloy by smelting in a vacuum consumable arc furnace by use of a water-cooled copper crucible firstly and then smelting in a vacuum consumable skull furnace by use of a graphite die, and orderly comprises the following steps: drying, blending, electrode compressing, smelting in the vacuum consumable arc furnace and smelting in the vacuum consumable skull furnace. The manufacturing method of the high-quality titanium-aluminum alloy target has the advantages of accurate alloy component control, uniform titanium and aluminum element distribution, fine microstructure grains, no crucible pollution, low gas impurity content, and no casting defects such as subsurface blowhole and crack.

Description

technical field [0001] The invention belongs to the field of metallurgical preparation, in particular to a method for manufacturing a high-quality titanium-aluminum alloy target. Background technique [0002] With the development of the modern machining industry towards high precision, high speed cutting, hard machining instead of grinding, dry machining (no coolant) to protect the environment and reduce costs, there are quite high requirements for tool performance. Therefore, it is an inevitable development trend to develop various cutting materials with excellent wear resistance and stable processing for a long time. [0003] Hard coatings represented by transition metal carbides, nitrides, borides, and diamond films have been widely used in machining tools, molds, and mechanical parts due to their superhardness and wear resistance. Physical Vapor Deposition (Physical Vapor Deposition, PVD) is the leading technology for depositing hard coatings. The titanium aluminum nitr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/02C22B9/20C22C14/00C23C14/34
Inventor 张凤戈穆健刚姜海李建奎梁俊才陈鹏刘健缪磊
Owner 北京安泰六九新材料科技有限公司
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