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Fibre-reinforced metal/ceramic sheet-like composite containment casing

A fiber reinforced, ceramic layer technology, applied in metal layered products, ceramic layered products, metal processing equipment, etc., can solve the problems of weakened axial performance and the characteristics of composite materials cannot be fully utilized, and achieve good ability , Good protection against high-speed object impact, high hardness

Inactive Publication Date: 2007-03-07
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the performance in the off-axis direction can be improved by cross-arranging the fibers, the axial performance will be weakened, so that the characteristics of the composite material cannot be fully utilized.

Method used

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  • Fibre-reinforced metal/ceramic sheet-like composite containment casing
  • Fibre-reinforced metal/ceramic sheet-like composite containment casing
  • Fibre-reinforced metal/ceramic sheet-like composite containment casing

Examples

Experimental program
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Effect test

Embodiment 1

[0030] A cylindrical layered composite structure manufactured by active metal brazing process, active casting process and powder sintering process is shown in Figure 1: 1 in Figure 1 is a metal material layer, 2 is a fiber material layer, and 3 is a ceramic Material layer, the fiber material is wound on the outer wall of the cylindrical layer, it can be single-layer winding or multi-layer winding, the fiber can be a whole piece or it can be welded by multiple pieces of fiber; the metal cylinder can be a whole It can also be welded by multiple arcs; the ceramic cylinder can be a whole or welded by multiple arcs. The outer diameter of the cylinder is 200mm-4000mm, the thickness of the metal layer is 0.5mm-10mm, and the thickness of the ceramic layer is 1mm-20mm.

Embodiment 2

[0032]A cylindrical layered composite structure manufactured by active metal brazing process, active casting process and powder sintering process is shown in Figure 2: 1 in Figure 2 is a metal material layer, 2 is a fiber material layer, and 3 is a ceramic Material layer, the fiber material is wound on the outer wall of the cylindrical layer, it can be single-layer winding or multi-layer winding, the fiber can be a whole piece or it can be welded by multiple pieces of fiber; the metal cylinder can be a whole It can also be welded by multiple arcs; the ceramic cylinder can be a whole or welded by multiple arcs. The outer diameter of the cylinder is 200mm-4000mm, the thickness of the metal layer is 0.5mm-10mm, and the thickness of the ceramic layer is 1mm-20mm.

Embodiment 3

[0034] A cylindrical layered composite structure manufactured by active metal brazing process, active casting process and powder sintering process is shown in Figure 3: 1 in Figure 1 is the metal material layer, 2 is the fiber material layer, and the fiber material is wound On the outer wall of the cylindrical layer, it can be wound in a single layer or in multiple layers. The fiber can be a whole piece or welded by multiple pieces of fiber; the metal cylinder can be a whole piece or it can be made of multiple pieces. Arc seam welding. The outer diameter of the cylinder is 200mm-4000mm, and the thickness of the metal layer is 0.5mm-10mm.

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Abstract

This is a layered, composite included unit case with fiber reinforced metal or ceramics, and it belongs to the field of turbine fan of aerial engines. This included unit case has at least one sandwich structure made of metal layer, fiber layer or ceramic layer, with this structure welded by the layers of metal, fiber and ceramics in high temperature through the processes of active casting, powder sintering, active metal hard soldering. With high rigidity, fine toughness, light weight, feature of protective damping for high speed articles, it can be used extensively in turbine fan of varied aerial engines.

Description

technical field [0001] The invention provides a fiber-reinforced metal / ceramic layered composite containment casing, which belongs to a turbofan aero-engine [0002] technology field. Background technique [0003] For the development of long-range large commercial jet aircraft such as Boeing 777 and Airbus A380, Pratt & Whitney of the United States, General Electric Company of the United States and Rolls-Royce of the United Kingdom have developed large-thrust aircraft such as PW4000 series, GE90 series, GEnx series, Trent900 series and Trent1000 series. Turbofan aero-engines, this type of turbofan aero-engines all use large-sized fan blades, the diameter of the largest fan blade can reach 3m, and the tangential velocity at the tip of the fan blade exceeds 450m / s during operation. As the development progresses, the tangential speed of the turbofan blade tip will be higher. Blades running at high speed are affected by impact damage from foreign objects or high-frequency vibr...

Claims

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Application Information

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IPC IPC(8): B64C7/02B32B15/14B32B18/00B22D19/04B22F7/02B23K1/008
Inventor 彭榕
Owner BEIHANG UNIV
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