Title:
TURBINE COMPONENT, AXIAL FLOW TURBINE, AND METHOD FOR MANUFACTURING TURBINE COMPONENT
Document Type and Number:
WIPO Patent Application WO/2017/183063
Kind Code:
A1
Abstract:
The turbine component according to an embodiment comprises a base material configured from an Fe-based alloy containing at least one element selected from the group consisting of Cr, Si, and Al. The base material has, from the interior of the base material toward the surface: a base material section; a composition section which is formed on the surface of the base material section, and which contains a crystal composition comprising crystal grain sizes of the Fe-based alloy that are smaller than the crystal grain sizes of the Fe-based alloy in the base material section; and a carburizing-resistant protective film section which is formed on the surface of the composition section, and which contains at least one element selected from the group consisting of Cr, Si, and Al.
Inventors:
HINO TAKEHISA (JP)
IMAI KIYOSHI (JP)
SAITO DAIZO (JP)
TAKAKU REKI (JP)
MAEDA HIDEYUKI (JP)
SATO IWATARO (JP)
SHIBA AKIO (JP)
IMAI KIYOSHI (JP)
SAITO DAIZO (JP)
TAKAKU REKI (JP)
MAEDA HIDEYUKI (JP)
SATO IWATARO (JP)
SHIBA AKIO (JP)
Application Number:
PCT/JP2016/002156
Publication Date:
October 26, 2017
Filing Date:
April 22, 2016
Export Citation:
Assignee:
TOSHIBA KK (JP)
International Classes:
F01D25/00; F02C7/00
Foreign References:
| JP2004522889A | 2004-07-29 | |||
| JP2014176877A | 2014-09-25 |
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, P.C. (JP)
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