公开(公告)号：US10828732B2

公开(公告)日：2020-11-10

申请号：US15499481

申请日：2017-04-27

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Brian Leslie Henderson ,  Yan Cui ,  Daniel James Dorriety ,  Ravikumar Rayachuri ,  Paul Albert Cook ,  Abdul Rahman Shariff

IPC: B23P6/00 ,  F01D25/24 ,  F23R3/00 ,  B23P15/00 ,  B23K35/02 ,  F01D25/00

Abstract: A method for treating a turbine diaphragm and a treated turbine diaphragm are provided. The method includes the step of removing a portion of the turbine diaphragm. The method further includes the step of forming a coupon having a geometry that corresponds to the portion of the turbine diaphragm removed. The method further includes joining the coupon to the turbine diaphragm. At least a portion of the coupon is a pre-sintered preform. The treated turbine diaphragm includes a substrate and a coupon joined to the substrate, wherein at least a portion of the coupon is a pre-sintered preform.