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TURBINE BLADE REPAIRING METHOD FOR FORMING A WELDED PART WHICH HAS THE SUPERIOR MECHANICAL PROPERTY OF A REPAIR PART
TURBINE BLADE REPAIRING METHOD FOR FORMING A WELDED PART WHICH HAS THE SUPERIOR MECHANICAL PROPERTY OF A REPAIR PART
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机译:涡轮零件的修复性能优异的涡轮叶片修复方法
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摘要
PURPOSE: A turbine blade repairing method is provided to lower welding defect generation sensitivity by releasing the hardening property of a heat affected zone and to improve mechanical property by applying a weld bead lamination process.;CONSTITUTION: A turbine blade repairing method comprises following steps. Filler materials of which mechanical property is strengthened are selected. A damaged part of a turbine blade is partially heated to be repaired. A multi-layered laminate repair welding process is enabled on a heated damaged part using a heat input adjustment step(S126) and a starting position adjusting step(S127) of weld bead. After the repair welding process, direct post heat temperature is maintained, and a welding-post thermal process is enabled.;COPYRIGHT KIPO 2010
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