Patent ID: 11939879
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Machine tools (Mechanical engineering)
Classification: CPC F  B  C | IPC B  F

Claim 5:
6. The blade according to claim 5,
wherein a connecting portion between the blade body and the platform forms a fillet portion along which the combustion gas flows,
a surface of the fillet portion is formed of a curved surface that allows a gas path surface of the platform partitioning the part of the edge of the combustion gas flow channel to gradually become a blade surface of the blade body,
an end, which is disposed close to the blade body, of both ends of the fillet portion in the blade width direction is a trailing end of the fillet portion,
the fillet portion includes a heat-affected zone that is formed by being affected by heat during overlay welding of the first welding material, and
the heat-affected zone is disposed closer to the end surface of the platform than the trailing end of the fillet portion.