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Brief description of the repair of metal parts of a turbomachine that is applied in the superalloy a nickel- or cobalt-based by means of an mig process with a current and the filler wire pulses
Brief description of the repair of metal parts of a turbomachine that is applied in the superalloy a nickel- or cobalt-based by means of an mig process with a current and the filler wire pulses
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机译：借助电流和填充焊丝脉冲的Mig工艺修复应用于镍基或钴基高温合金的涡轮机金属零件的简要说明
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摘要
The method involves identifying defect e.g. crack, without a preliminary step of pre-heating a metal part i.e. high pressure turbine blade (10), of a turboshaft engine, and providing a generator that is utilized for generating pulsated current that flows through a pulsated wire. The defect is subjected to heat treatment to optimize mechanical characteristics of the metal part. The metal part is machined to identify a contour of the defect.
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