Patent ID: 8021718
Filing Date: 2011-09-20
Classification: C21D,C23C

Abstract:
1. A heat treatment method for a transition piece of a combustor, comprising: caulking holes provided in an inner wall with a resin, wherein said inner wall and an outer wall make up a wall portion of the transition piece of the combustor, said outer wall having holes communicating with said holes provided in said inner wall via grooves formed on an inside of said wall portion of the transition piece; putting the transition piece, with the caulked holes in the inner wall, in a furnace; and heating the transition piece in the furnace, wherein the transition piece is heated together with a silicone resin at a temperature such that only a part of said silicone resin is discharged to the atmosphere in the furnace while completely removing the resin in said holes of the inner wall of the wall portion of the transition piece.