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Metallic part provided with fibrous reinforcements and having a bevelled edge

A kind of reinforcement, metal technology, applied in the field of metal parts, can solve problems such as cracking, being pulled out, bonding failed fibers, etc.

Active Publication Date: 2012-07-18
SAFRAN LANDING SYSTEMS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a sudden step change in the stiffness of the part at this location, so the transmitted stresses of the part of the fibre-reinforced part to the part of the vessel risk the bond failing or the fibers being pulled out and thus starting to crack
In addition, the internal stresses in this region are generally perpendicular to the fibers such that this region is already weakened

Method used

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  • Metallic part provided with fibrous reinforcements and having a bevelled edge
  • Metallic part provided with fibrous reinforcements and having a bevelled edge
  • Metallic part provided with fibrous reinforcements and having a bevelled edge

Examples

Experimental program
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Embodiment Construction

[0013] In the following explanations, the manufacture of fiber reinforcements does not form the subject of the invention and is therefore not described in detail. See, for example, document WO 2009 / 034264, which describes several examples of such fiber reinforcements.

[0014] refer to figure 1 , in a first embodiment the connecting rod of the invention is made from a metal blank 1 having a generally flat shape with a main body part 2 of constant cross-section, which is terminated by two circular ends 3 , the two rounded ends 3 form end lugs and include through holes 4 . In this example, the blank is made of a titanium alloy.

[0015] In this example, the longitudinal shells 5 extend from one end to the other of the blank 1 parallel to the plane of symmetry P of the blank 1, and they form a shell adapted to receive the part 10 of the fiber reinforcement (the part of the reinforcement is shown in Fig. are shown cut away to more clearly show the housing, but in fact they occu...

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Abstract

The invention relates to a mechanical part produced from a metallic preform having at least one recess (5) extending longitudinally in a privileged direction of the effort to which the operating mechanical part is subjected, and in which at least one fibrous reinforcement is inserted and then connected to the blank by a hot isostatic compression. The invention is characterised in that the fibrous reinforcement has a bevelled edge (10).

Description

technical field [0001] The invention relates to a metal part provided with fiber reinforcements. Background technique [0002] Document WO 2009 / 034264 discloses a connecting rod made by manufacturing a metal blank with two parallel oval shells on either side of the plane of symmetry of the connecting rod; Inserted into the shell, the article of fiber reinforcement is made of carbide fibers encased in a metal that is compatible with the metal of the container; and the assembly is subjected to vacuum and thermal isostatic compression, thereby achieved by diffusion of the metal around the fibers The intimate bond between the fibers of a fiber reinforcement and the metal of the blank. [0003] The metal surrounding the carbide fibers melts and mixes with the adjacent metal of the metal preform, providing metallic continuity closely surrounding the fibers of the fiber reinforcement. Machining of the blank is then continued to obtain the connecting rod (in particular piercing th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C47/04C22C47/02C22C47/06C22C47/20
CPCB22F2998/00C22C47/025C22C47/04C22C47/06C22C47/20Y10T428/1314B22F3/15
Inventor R·梅森P·邓里维J-M·弗朗谢G·克莱恩
Owner SAFRAN LANDING SYSTEMS
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