Title:
TURBINE ROTOR BLADE AND CONTACT SURFACE PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/184092
Kind Code:
A1
Abstract:
The present invention provides a turbine rotor blade and the like with which it is possible to improve durability of a contact surface and enhance blade reliability. This turbine rotor blade is equipped with a blade body and a tip shroud provided to the tip of the blade body, wherein: the tip shroud has a contact block that is disposed to face an adjacent tip shroud; and the contact block has a base material, an oxidation-resistant coat laminated on the surface of the base material, and a contact film laminated on the surface of the oxidation-resistant coat.
Inventors:
OKAJIMA YOSHIFUMI (JP)
MEGA MASAHIKO (JP)
TORIGOE TAIJI (JP)
MEGA MASAHIKO (JP)
TORIGOE TAIJI (JP)
Application Number:
PCT/JP2020/006318
Publication Date:
September 17, 2020
Filing Date:
February 18, 2020
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F01D5/16; F01D5/28; F02C7/00
Foreign References:
| JP2001152803A | 2001-06-05 | |||
| JPH09196176A | 1997-07-29 | |||
| JP2018059471A | 2018-04-12 | |||
| JPH01279781A | 1989-11-10 | |||
| JPH06256786A | 1994-09-13 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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