| 摘要 |
A method of repairing in a turbine blade (10) having a lacing wire hole (13), said method comprising the steps of: (a) removing the lacing wire (15) and any damaged material from the blade (10) around the lacing wire hole (13); (b) inserting a piece of new material (21) in said lacing wire hole; (c) securing said piece of material (21) in place by fused metal (27, 28); (d) subjecting at least that part of the blade to which repair has been effected to a heat treatment process to relieve residual stress; (e) machining the repaired part of the blade (10) to return the blade to its original form (f) reforming the lacing wire hole (13). Such a method of repair reduces the occurence of residual stress in the turbine blade due to repair and reduces the risk of premature damage to the repaired area. |
