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Tungsten copper sheet component with tungsten fiber mesh reinforced copper-based composite layer

A technology of copper-based composite and fiber mesh, which is applied in the field of tungsten-copper sheet components, can solve the problems of insufficient high-temperature mechanical properties of the pure copper interlayer

Active Publication Date: 2021-07-09
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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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 provide a tungsten-copper sheet member with tungsten fiber mesh reinforced copper-based composite layer for fusion reactors, a manufacturing device and a manufacturing method thereof, so as to solve the problem of insufficient high-temperature mechanical properties of the existing pure copper intermediate layer

Method used

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  • Tungsten copper sheet component with tungsten fiber mesh reinforced copper-based composite layer
  • Tungsten copper sheet component with tungsten fiber mesh reinforced copper-based composite layer
  • Tungsten copper sheet component with tungsten fiber mesh reinforced copper-based composite layer

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Embodiment 1

[0037] Such as Figure 1(a)-Figure 1(c) As shown, Fig. 1 provides a preferred embodiment of the tungsten-copper sheet component preparation device of a type of tungsten fiber mesh reinforced copper-based composite layer: the tungsten-copper sheet component preparation device has a thickness of 21mm, and a length and width of 90mm. In the crucible container 2, put the lower part 6 of the stainless steel frock (thickness is 10mm, three grooves with a length of 45mm, a width of 12mm, and a depth of 2mm are opened on the upper surface, and at the four corners of the rectangular frock, symmetrically distanced from the side of the frock 8.5mm M8 runs through the threaded hole 8), and put three tungsten sheets 7 (thickness 2mm, length 45mm, width 12mm) into the groove. Then place the high-melting-point metal sheets 10 with slotted holes and the tungsten fiber mesh 9 alternately stacked up to 1 mm on the upper part of the lower part 6 of the stainless steel tooling, wherein the single-...

Embodiment 2

[0039] The thickness of this tungsten-copper sheet component preparation device is 21mm, and the length and width are all 90mm. First, in the crucible container 2, put the stainless steel frock bottom 6 (thickness is 10mm, and the upper surface has three lengths of 45mm, width 12mm, and depth 2mm). Groove, and at the four corners of the rectangular tooling, symmetrically open the M8 threaded hole 8) from the side of the tooling 8.5mm, and put three tungsten sheets 7 (thickness 2mm, length 45mm, width 12mm) into the groove. Then place the high-melting-point metal sheets 10 with slotted holes and the tungsten fiber net 9 alternately stacked up to 1 mm on the upper part of the lower part 6 of the stainless steel tooling, wherein the single-layer tungsten fiber net 9 adopts tungsten fibers with the same diameter of 0.1 mm and weaves them in a twill weave , tungsten fiber mesh 9 thickness is 0.2mm, length and width are 90mm, and aperture is 0.2mm (as shown in Figure 2); Through hol...

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Abstract

The invention discloses a tungsten copper sheet component with a tungsten fiber mesh reinforced copper-based composite layer. The tungsten copper sheet component comprises a tungsten sheet, oxygen-free copper (OFHC-Cu) and a tungsten fiber mesh, wherein the oxygen-free copper and the tungsten fiber mesh form the tungsten fiber reinforced copper-based composite layer, and the tungsten fiber reinforced copper-based composite layer is attached to the surface of the tungsten sheet. A manufacturing method of the tungsten copper sheet component adopts a liquid-phase copper infiltration method and comprises the following steps of firstly, placing the tungsten sheet on the bottommost layer of a preparation device; then alternately arranging a high-melting-point metal sheet with slotted holes and the tungsten fiber mesh on the upper surface of the tungsten sheet, meanwhile, designing the weaving mode of the tungsten fiber mesh and the thicknesses of the tungsten fiber mesh and the high-melting-point metal sheet with the slotted holes according to the use requirements, and placing the oxygen-free copper on the uppermost layer; and then heating and carrying out copper infiltration in a vacuum state, and manufacturing the tungsten copper sheet component with the tungsten fiber mesh reinforced copper-based composite layer for a fusion reactor in one step.

Description

technical field [0001] The invention relates to a tungsten-copper sheet component with a tungsten fiber mesh reinforced copper-based composite layer for a fusion reactor, a manufacturing device and a manufacturing method thereof. Background technique [0002] Controllable nuclear fusion energy is an important research direction for future energy development. The divertor is the core component to control the energy flow, particle flow, impurities and helium ash of the fusion reactor. The plasma-facing component is the part that directly interacts with the plasma in the divertor region. Components, the extreme heat flow environment (surface heat load and neutron heat load) require materials to have high thermal conductivity and high mechanical strength, so it is urgent to develop creep-resistant materials suitable for high-temperature environments. At present, for areas with low heat load, flat-plate plasma-facing components are a feasible and low-cost solution, which is mainl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C49/10C22C47/06C22C47/08C22C49/14C22C111/02
CPCC22C49/10C22C49/14C22C47/066C22C47/08
Inventor 李强陈镇王万景彭吴擎亮谢春意王纪超耿祥黄伶明
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI