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Preparation method of titanium alloy three-dimensional lattice heat-resistant structure filled with aerogel

A three-dimensional lattice and titanium alloy technology, applied in chemical instruments and methods, lamination devices, lamination, etc., can solve the problems of high production cost, improved efficiency, lack of mechanical properties and bearing capacity, etc., and achieve low production cost , good mechanical properties and carrying capacity, and high efficiency

Active Publication Date: 2018-07-27
AVIC BEIJING AERONAUTICAL MFG TECH RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the preparation method of the three-dimensional lattice structure of titanium alloy in the prior art has high preparation costs and needs to be improved in efficiency, and it is impossible to prepare a high-temperature heat-resistant integrated structure with a large size and complex profile; and the titanium alloy in the prior art Preparation method of alloy three-dimensional lattice structure The three-dimensional lattice structure of titanium alloy can not effectively achieve the effect of heat dissipation and heat insulation, nor has good mechanical properties and bearing capacity

Method used

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  • Preparation method of titanium alloy three-dimensional lattice heat-resistant structure filled with aerogel
  • Preparation method of titanium alloy three-dimensional lattice heat-resistant structure filled with aerogel
  • Preparation method of titanium alloy three-dimensional lattice heat-resistant structure filled with aerogel

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Embodiment 1

[0048] Such as Figure 7-9 As shown, a method for preparing a titanium alloy three-dimensional lattice heat-resistant structure filled with airgel, filling the lower half of the internal space of the titanium alloy three-dimensional lattice structure with airgel, and the upper half of the internal space of the titanium alloy three-dimensional lattice structure The part is actively cooled by gas; the closed plasma module 14 is covered outside the titanium alloy three-dimensional lattice structure, and the plasma excitation power supply 5 is placed inside the titanium alloy three-dimensional lattice structure.

[0049]The method for filling the lower half of the inner space of the three-dimensional lattice structure with aerogel includes that the first step is to process the grid structure of the non-grid core board 8; the second step is to solder flux coating; the third step is to core board Lamination with the panel; the fourth step is the diffusion connection between the core...

Embodiment 2

[0052] Such as Figure 7-9 As shown, a method for preparing a titanium alloy three-dimensional lattice heat-resistant structure filled with airgel, filling the lower half of the internal space of the titanium alloy three-dimensional lattice structure with airgel, and the upper half of the internal space of the titanium alloy three-dimensional lattice structure The part is actively cooled by gas; the closed plasma module 14 is covered outside the titanium alloy three-dimensional lattice structure, and the plasma excitation power supply 5 is placed inside the titanium alloy three-dimensional lattice structure.

[0053] The method for filling the lower half of the inner space of the three-dimensional lattice structure with aerogel includes that the first step is to process the grid structure of the non-grid core board 8; the second step is to solder flux coating; the third step is to core board Lamination with the panel; the fourth step is the diffusion connection between the cor...

Embodiment 3

[0061] Such as Figure 7-9 As shown, a method for preparing a titanium alloy three-dimensional lattice heat-resistant structure filled with airgel, filling the lower half of the internal space of the titanium alloy three-dimensional lattice structure with airgel, and the upper half of the internal space of the titanium alloy three-dimensional lattice structure The part is actively cooled by gas; the closed plasma module 14 is covered outside the titanium alloy three-dimensional lattice structure, and the plasma excitation power supply 5 is placed inside the titanium alloy three-dimensional lattice structure.

[0062] The method for filling the lower half of the inner space of the three-dimensional lattice structure with aerogel includes that the first step is to process the grid structure of the non-grid core board 8; the second step is to solder flux coating; the third step is to core board Lamination with the panel; the fourth step is the diffusion connection between the cor...

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Abstract

The invention provides a preparation method of a titanium alloy three-dimensional lattice heat-resistant structure filled with aerogel. The preparation method is mainly technically characterized in that the lower half part of an internal space of the titanium alloy three-dimensional lattice heat-resistant structure is filled with the aerogel, and the upper half part of the internal space of the titanium alloy three-dimensional lattice heat-resistant structure is actively cooled through gas; and a closed type plasma module is arranged outside the titanium alloy three-dimensional lattice heat-resistant structure in a covering manner, and a plasma excitation power source is put inside the titanium alloy three-dimensional lattice heat-resistant structure. By means of the preparation method, the preparation cost can be low, efficiency can be high, and a high-temperature-resistant thermal protection integrated structure which is large in size and provided with a complex molded surface can beprepared; the heat dissipation and heat insulation effects are effectively achieved; meanwhile, good mechanical performance and the high bearing capacity are achieved; the closed type plasma module is used for absorbing electromagnetic waves; and meanwhile, the plasma excitation power source is put at the inner side of the titanium alloy three-dimensional lattice heat-resistant structure, and theelectromagnetic waves transmitted by the plasma excitation power source can be effectively shielded.

Description

technical field [0001] The invention relates to the technical field of preparation methods of metal lattice structures, in particular to a preparation method of a titanium alloy three-dimensional lattice heat-proof structure filled with airgel. Background technique [0002] The three-dimensional lattice structure of titanium alloy in the prior art can be prepared by the following method, as Figure 1-2 As shown, firstly, the titanium wires are interlaced layer by layer at a certain angle, and then under high temperature conditions, a fixed pressure is applied, and the heat preservation and pressure are maintained for a certain period of time, so that the titanium alloy wires between different layers are mutually diffused and connected together, and then Brazing (TiCuNi-60, at 20°C min -1 The speed is raised to 550°C, and the temperature is kept for 5 minutes, and then the temperature is raised to 975°C, and the vacuum degree is 10 -7 Under Torr conditions, heat preservation...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P17/00B32B3/12B32B37/06B32B37/10
CPCB23P17/00B32B3/12B32B37/06B32B37/10B32B2307/304B32B2307/306B32B2307/50
Inventor 赵冰李志强廖金华侯红亮韩秀全王飞
Owner AVIC BEIJING AERONAUTICAL MFG TECH RES INST
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