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Repair of gas turbine blade tip without recoating the repaired blade tip
Repair of gas turbine blade tip without recoating the repaired blade tip
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机译:修复燃气轮机叶片尖端,而无需重新涂覆已修复的叶片尖端
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摘要
A damaged gas turbine blade (40) which has previously been in service, and which is made of a base metal, is furnished. Any damaged material is removed from the damaged blade tip (50). The damaged blade tip (50) is weld repaired with a nickel-base superalloy that is more resistant to oxidation resistance than is the base metal in the operating environment of the tip-repaired gas turbine blade (60). The method does not include any step of coating a lateral surface of the repaired blade tip with a non-ceramic coating after the step of weld repairing.
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