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Heat treatment oven with inductive heating

An oven and preheating technology, which is applied in the direction of metal material coating process, coating, gaseous chemical plating, etc., can solve the problems of long time and large investment

Inactive Publication Date: 2009-10-21
MESSIER BUGATTI INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, treatments such as the chemical vapor infiltration process require a large amount of investment at an industrial level and take a long time to perform the treatment

Method used

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  • Heat treatment oven with inductive heating
  • Heat treatment oven with inductive heating
  • Heat treatment oven with inductive heating

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Experimental program
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Embodiment Construction

[0030] The invention applies to any type of induction-heated oven or apparatus for performing thermal treatments in which the gases used in the treatment are preheated in a preheating chamber before being introduced into the treatment or loading zone of the oven. This oven is especially used for thermochemical treatments, such as carburizing components or densifying porous substrates by chemical vapor infiltration.

[0031] Embodiments of the oven according to the invention will be described below in conjunction with the application of densified annular porous substrates made of carbon fiber preforms or pre-densified blanks for the manufacture of brake discs from C / C composites. constitute. The discs are commonly used in aircraft wheels and racing cars.

[0032] refer to Figure 1 to Figure 3 A first embodiment of a densification oven is described. figure 1 is a diagram depicting an oven 10 bounded by a cylindrical side wall 12 , a bottom wall 14 and a top wall 16 .

[003...

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Abstract

The invention relates to a heat treatment oven (10) comprising a loading or treatment zone (30), at least one gas inlet (22), a gas preheater chamber (50) situated in the oven between the gas inlet (22) and the loading or treatment zone (30), a susceptor comprising at least a side wall (12) surrounding the preheater chamber (50) and the loading or treatment zone (30), and a field winding (18) suitable for heating the side wall (12) by induction. The portion (121) of the side wall of the susceptor that is situated around the preheater chamber (50) presents at least two recesses (1210) spaced apart circumferentially from one another so as to form portions of reduced thickness in said portion of the side wall.

Description

technical field [0001] The present invention relates to an induction heating oven or apparatus for performing heat treatment and wherein the gases used in the treatment are preheated before being introduced into the treatment chamber of the oven. Such ovens find particular application in thermochemical treatments, such as carburizing components or densifying porous substrates by chemical vapor infiltration. Background technique [0002] The field of application of the invention is the manufacture of components from thermal structural composite materials, materials that both have mechanical properties suitable for the construction of structural components and are able to maintain these properties at high temperatures. Typical examples of thermal structural composites are carbon / carbon (C / C) composites, which have a carbon fiber reinforced structure densified by a pyrolytic carbon matrix, and ceramic matrix composites (CMC), which have a structure composed of Ceramic-based de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C16/455C23C16/26
CPCC23C16/045C23C16/452
Inventor B·德尔佩里耶Y·博德里O·珀蒂让
Owner MESSIER BUGATTI INC