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Device and method for casting and compounding titanium alloy and titanium-aluminum alloy

A technology of titanium-aluminum alloy and titanium alloy, which is applied in the field of devices for improving the performance of titanium-aluminum alloys, and in the field of devices for improving the performance of titanium-aluminum alloys by melting and casting titanium alloys and titanium-aluminum alloys. It can solve the problems of poor room temperature performance and achieve good plasticity. The effect of high strength and simple device structure

Active Publication Date: 2021-12-24
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the existing TiAl alloy has poor room temperature performance as an intermetallic compound

Method used

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  • Device and method for casting and compounding titanium alloy and titanium-aluminum alloy
  • Device and method for casting and compounding titanium alloy and titanium-aluminum alloy
  • Device and method for casting and compounding titanium alloy and titanium-aluminum alloy

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Experimental program
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specific Embodiment approach 1

[0025] Specific implementation mode one: combine figure 1 Describe this embodiment, this embodiment includes a furnace body 4; also includes a water-cooled support 3, a water-cooled copper crucible 12, a material 6, a non-consumable tungsten electrode 10, an automatic control lifting device 8, a turning spoon 9 and a vacuum system 11 , the water-cooled support 3 is installed in the furnace body 4, the water-cooled copper crucible 12 is installed on the upper end surface of the water-cooled support 3, the material 6 is placed in the water-cooled copper crucible 12, and the automatic control lifting device 8 is installed on the outer upper part of the furnace body 4. The tungsten-consumable electrode 10 is vertically inserted into the furnace body 4 and extends to the top of the material 6. The upper part of the non-consumable tungsten electrode 10 is installed on the automatic control lifting device 8 and realizes lifting under the control of the automatic control lifting device...

specific Embodiment approach 2

[0026] Specific implementation mode two: combination figure 1 Describe this embodiment, present embodiment also comprises pressure gauge 5, inlet valve 1 and outlet valve 2, inlet valve 1 and outlet valve 2 are installed in the bottom of furnace body 4, and pressure gauge 5 is installed in the top of furnace body 4. In this way, the inlet valve 1 and the outlet valve 2 are located at the bottom of the furnace body. In order to protect the argon gas, the furnace body can be better filled with argon gas, and the purity of the argon gas fed into the inlet valve 1 99.999%; the automatic control lifting device 8 can automatically control the up and down reciprocating movement of the non-consumable tungsten electrode 10 according to the set program, and then can gradually heat the material 6 . Other compositions and connections are the same as in the first embodiment.

specific Embodiment approach 3

[0027] Specific implementation mode three: combination figure 1 To illustrate this embodiment, an observation and temperature measuring port 7 is opened on the upper end surface of the furnace body 4 of this embodiment, and a water inlet 13 and a water outlet 14 are opened at the lower part of the furnace body 4 . Set in this way, the water inlet 13 and the water outlet 14 are all located at the bottom of the furnace body, in order to ensure that the furnace body 4 and the water-cooled copper crucible 12 are sufficiently cooled to ensure the safety of the equipment; the observation and temperature measurement port 7 is convenient for observing the casting situation at any time. Other compositions and connections are the same as those in Embodiment 1 or Embodiment 2.

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Abstract

The invention discloses a device and a method for casting and compounding a titanium alloy and a titanium-aluminum alloy, and relates to a device and a method for casting and compounding an alloy. The invention aims to solve the problem that the room temperature performance is poor when the existing TiAl alloy is used as an intermetallic compound. A water-cooling support is installed in a furnace body, a water-cooling copper crucible is installed on the upper end face of the water-cooling support, materials are placed in the water-cooling copper crucible, an automatic control lifting device is installed on the upper portion of the outer side of the furnace body, and a non-consumable tungsten electrode is vertically inserted in the furnace body and extends to the position over the materials. The upper portion of the non-consumable tungsten electrode is installed on the automatic control lifting device and ascends and descends under the control of the automatic control lifting device, a vacuumizing system is installed on the outer side wall of the furnace body and vacuumizes the furnace body, and a material turning spoon is installed at the upper end of the furnace body. The method comprises the following steps: preparing materials; performing preparation; performing placement; performing casting; and detecting the performance of the cast titanium-aluminum alloy. The method is used for casting the titanium alloy and the titanium-aluminum alloy.

Description

technical field [0001] The invention relates to a device and a method for improving the performance of a titanium-aluminum alloy, in particular to a device and a method for improving the performance of a titanium-aluminum alloy through melting and casting of a titanium alloy and a titanium-aluminum alloy, and belongs to the technical field of material processing. Background technique [0002] As an intermetallic compound, TiAl alloy is a new type of light-weight and high-temperature-resistant junction material with long-range orderly arrangement of atoms and coexistence of interatomic metal bonds and covalent bonds. Compared with traditional nickel-based and iron-based high-temperature materials, it has many unique performance advantages, such as higher specific strength and specific modulus, lower density, good oxidation resistance and creep resistance. However, since TiAl alloy is an intermetallic compound, its performance at room temperature is poor. In order to improve ...

Claims

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Application Information

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IPC IPC(8): B32B15/01B32B7/10B32B37/06C22C14/00
CPCB32B15/01B32B7/10B32B37/06C22C14/00Y02P10/20
Inventor 陈瑞润方虹泽王琪丁鑫王亮丁宏升苏彦庆郭景杰
Owner HARBIN INST OF TECH
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