Title:
タービンブレード用被覆
Document Type and Number:
Japanese Patent JP4898662
Kind Code:
B2
Abstract:
This invention relates to the simultaneous treatment of the internal and external surfaces of turbine blades or vanes. In particular it provides a process for coating an external and an internal surface of a turbine blade or vane with aluminium and chromium, respectively, at substantially the same time. The process comprises the following steps (i) and (ii) in either order: (i) applying to the external surface an aluminising compound comprising aluminium, a moderator, an energiser and a diluent; and (ii) applying to the internal surface a chromising compound comprising chromium, an energiser and a diluent. These steps are followed by (iii) heating the turbine blade or vane to form an aluminium layer on the external surface and a chromium layer on the internal surface. The invention also provides a suitable aluminising compound and a chromising compound per se.
Inventors:
John, Smith
Sharad, Chandra
Sharad, Chandra
Application Number:
JP2007510093A
Publication Date:
March 21, 2012
Filing Date:
February 04, 2005
Export Citation:
Assignee:
Diffusion Alois Limited
International Classes:
C23C10/32; C23C10/30; C23C10/38; C23C10/42; C23C10/48; C23C10/50; C23C10/52; C23C10/56; C23C10/58; F01D5/28; F02C7/00
Domestic Patent References:
| JP2002266064A | ||||
| JP5156423A | ||||
| JP53018437A | ||||
| JP2001068151A | ||||
| JP2000144372A | ||||
| JP2001172775A | ||||
| JP63250452A |
Attorney, Agent or Firm:
Hirohito Katsunuma
Yukitaka Nakamura
Noritaka Yokota
Takeyasu Ito
Mari Asano
Yukitaka Nakamura
Noritaka Yokota
Takeyasu Ito
Mari Asano