High-frequency induction heating solidification device and method for preparing high-temperature alloy

A high-frequency induction heating and high-temperature alloy technology, which is applied in the field of high-frequency induction heating and solidification devices and electromagnetic induction heating and solidification devices, can solve problems such as coarse structure and element segregation, and achieve the goal of improving alloy structure, improving alloy performance, and reducing attenuation Effect

Active Publication Date: 2022-08-09
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 problems of coarse structure and serious element segregation in existing NbSi-based alloys after adding a large amount of alloying elements

Method used

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  • High-frequency induction heating solidification device and method for preparing high-temperature alloy
  • High-frequency induction heating solidification device and method for preparing high-temperature alloy
  • High-frequency induction heating solidification device and method for preparing high-temperature alloy

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specific Embodiment approach 1

[0036] Embodiment 1: Combining figure 1 and figure 2Illustrating this embodiment, this embodiment includes a turning scoop 1, a scoop transmission mechanism 2, a pressure gauge 3, a pressure gauge base 4, a furnace body 5, a water-cooled copper crucible, a support rod 7, a stand assembly 8, and a transition rod welding 9, high-frequency vibrating rod 10, induction coil 16 and induction coil power supply 6; pressure gauge 3 is installed on the upper end face of furnace body 5 through pressure gauge base 4, and scoop transmission mechanism 2 is installed on the upper end face of furnace body 5 On the top, the turning scoop 1 is sealed and installed on the feeding scoop transmission mechanism 2, and the turning scoop 1 is lifted and rotated. The water-cooled copper crucible is partially installed inside the furnace body 5, and the water-cooled copper crucible is cooled by the upper water-cooling method. The stand assembly 8 is installed on the lower end face of the furnace body...

specific Embodiment approach 2

[0042] Specific implementation mode 2: Combining figure 1 Illustrating this embodiment, the scoop transmission mechanism 2 of this embodiment includes a casing 2-1, a rubber ring 2-2, a vacuum silica gel 2-3 and a bellows 2-4, and the turning spoon 1 passes through the rubber ring 2-2 Inside the shell 2-1, the bellows 2-4 is fitted on the shell 2-1, and the vacuum silica gel 2-3 is applied between the inlet part of the shell 2-1 and the turning spoon 1. This setting ensures tightness and lubricity, the bellows ensures the normal rotation of the turning spoon, the vacuum silicone allows the turning spoon to be freely stretched up and down, and the rubber ring provides frictional force so that the turning spoon is not under a certain external force, not under certain conditions. will slip. Other components and connection methods are the same as in the first embodiment.

specific Embodiment approach 3

[0043] Specific implementation three: combination figure 2 Illustrating this embodiment, the water-cooled copper crucible of this embodiment includes a water-cooled copper crucible body 27, a water inlet pipe 19, a water outlet pipe 22, a water inlet port 20 and a water outlet port 21; the water inlet port 20 and the water outlet port 21 are installed on the water-cooled copper crucible body. On the upper end surface of 27 , one end of the water inlet pipe 19 and the water outlet pipe 22 are respectively connected with the water inlet port 20 and the water outlet port 21 . This arrangement is convenient to keep circulating cold water in the water-cooling tank in the water-cooled copper crucible. Since the water inlet and outlet are located at the upper part of the water-cooled copper crucible, the cold water will always be filled in the water-cooled copper crucible, which is convenient for water-cooling the crucible. , and other components and connection methods are the same ...

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Abstract

The invention discloses a high-frequency induction heating solidification device and method for preparing high-temperature alloy, and relates to a thermal solidification device and method. The invention aims to solve the problems of coarse structure and serious element segregation of the existing NbSi-based alloy after a large number of alloying elements are added. A material spoon transmission mechanism is installed on the upper end face of a furnace body, a material turning spoon is installed on the material spoon transmission mechanism in a sealed mode to rotate and lift the material turning spoon, and a water-cooling copper crucible is cooled in an upper water-cooling mode and located in the furnace body; the lower portion of the high-frequency vibration rod is installed in the rack assembly, the high-frequency vibration rod upwards penetrates through the furnace body and then stretches into the water-cooling copper crucible, the induction coil is arranged on the water-cooling copper crucible in a sleeving mode, the alloy solidification process is effectively regulated and controlled through ultrasonic treatment, the alloy structure is improved, and the purpose of greatly improving the alloy performance is achieved. The induction coil is used for heating, so that the problems of overhigh heating speed and difficulty in temperature gradient control caused by heating by an electric arc melting method are avoided. The method is used for preparing the high-temperature alloy.

Description

technical field [0001] The invention relates to a high-frequency induction heating solidification device and method, in particular to an electromagnetic induction heating solidification device and a solidification method for improving microstructure regulation and mechanical properties of superalloys. It belongs to the technical field of metal alloys. Background technique [0002] High-temperature structural alloys, such as TiAl-based, NbSi-based superalloys, etc., have received extremely wide attention in the fields of aerospace, automobile industry and other fields due to their high specific strength and excellent high temperature performance, and have shown huge applications. However, due to the intrinsic properties of intermetallic compounds, taking NbSi-based alloys as an example, the alloys generally have the characteristics of poor oxidation resistance, room temperature fracture toughness and high temperature deformation ability. And seriously restrict the applicatio...

Claims

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Application Information

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IPC IPC(8): C22C1/02C22C27/02B22D27/20B22D27/04
CPCC22C1/02C22C27/02B22D27/20B22D27/04Y02P10/25
Inventor 郑朝文陈瑞润王琪王墅丁宏升苏彦庆
Owner HARBIN INST OF TECH
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