Title:
アルミナイド拡散コーティングを形成する方法
Document Type and Number:
Japanese Patent JP4637539
Kind Code:
B2
Abstract:
Method of forming an outwardly grown aluminide diffusion coating on a superalloy substrate disposed in a coating retort including the steps of heating the substrate to a temperature of 900 to 1200 degrees C., flowing a coating gas comprising aluminum trichloride and a carrier gas through the coating retort at a flow rate of the coating gas of about 100 to about 450 standard cubic feet per hour, providing a concentration of aluminum trichloride in the retort of less than 1.4% by volume of the coating gas, and providing a total pressure of the coating gas in the coating retort of about 100 to about 450 Torr.
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Inventors:
Andrew El. Purvis
Bruce M. Warnes
Irving Earl McFullen
Joel El. Cockerill
Bruce M. Warnes
Irving Earl McFullen
Joel El. Cockerill
Application Number:
JP2004281196A
Publication Date:
February 23, 2011
Filing Date:
September 28, 2004
Export Citation:
Assignee:
Howmet Research Corporation
International Classes:
C23C10/08; C23C10/28; C23C8/02; C23C8/06; C23C16/00; C23C16/12; C23C16/34; C23C16/455; C23C28/00; C23C28/02; C23C16/40
Domestic Patent References:
| JP10081979A | ||||
| JP9004406A | ||||
| JP8260128A | ||||
| JP2001295076A | ||||
| JP6010113A | ||||
| JP11293450A | ||||
| JP2001323362A | ||||
| JP2001032061A |
Attorney, Agent or Firm:
Toshiyuki Maruyama
Takao Miyano
Koichi Kitazumi
Toshiya Nagatsuka
Takao Miyano
Koichi Kitazumi
Toshiya Nagatsuka