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BRAZE ALLOY COMPOSITIONS AND BRAZING METHODS FOR SUPERALLOYS
BRAZE ALLOY COMPOSITIONS AND BRAZING METHODS FOR SUPERALLOYS
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机译:超级合金的钎焊合金成分和钎焊方法
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摘要
A multi-component braze filler alloy comprising 60-70% by weight CM247 superalloy and BRB braze alloy is diffusion brazed to a CM247 alloy base substrate, such as a gas turbine blade or vane. The substrate/braze interface may be subsequently weld-repaired without de-melting and migrating the braze alloy from the interface. The weld zone and surrounding area are solidification crack resistant. After the alloy composition is brazed to the base substrate the component may be returned to service. Thereafter the component remains repairable by welding or re-brazing, if needed to correct future in-service defects.
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