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Title:
金属部品の気相拡散浸透処理方法及び装置
Document Type and Number:
Japanese Patent JP4060186
Kind Code:
B2
Abstract:
A process for gas diffusion coating of metallic components; in which a component surface which is to be coated is brought into contact with a metal halide as coating gas, to form a diffusion layer with a defined layer thickness and a defined coating metal content in % by weight in the component surface, working on the basis of a nominal concentration of the metal halide at the component surface which, at a defined coating temperature, leads to a defined coating time, wherein a first concentration, which is higher than the nominal concentration, for the metal halide is established for a first time, and at least one second concentration, which is at or below the nominal concentration, is established at the component surface for at least one second time, the first and the at least one second time being selected in such a way that their sum is shorter than the coating time with the nominal concentration. Also disclosed is a device for the process.

Inventors:
Thomas Doutle
Niedermeier, Marx
Phil Hofer, Horst
Application Number:
JP2002556797A
Publication Date:
March 12, 2008
Filing Date:
January 09, 2002
Export Citation:
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Assignee:
Mt Wu Aero Engines Gamebha
International Classes:
C23C10/14; F01D5/28; C23C10/02; C23C10/06; C23C10/16; C23C10/28; F01D9/02; F01D25/00; F02C7/00; F23R3/42
Domestic Patent References:
JP2000192230A
JP8319557A
JP7300663A
JP63190158A
JP4263073A
JP11172463A
JP7000749A
Foreign References:
US6156123
Attorney, Agent or Firm:
Hisako Ishido
Mitsue Haba
Hideo Akazawa
Eiichi Yamaguchi