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METHOD OF FOLLOWING PRODUCTION THERMAL TREATMENT OF ADDITIVELY MADE ARTICLES FROM SUPER-HARDENED GAMMA-TYPE SUPER FELL CHARTS
METHOD OF FOLLOWING PRODUCTION THERMAL TREATMENT OF ADDITIVELY MADE ARTICLES FROM SUPER-HARDENED GAMMA-TYPE SUPER FELL CHARTS
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机译:继超热γ-型超硬图表生产附加制品的生产热处理之后的方法
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摘要
The invention relates to a method of post-built up heat treatment of an additively manufactured high strength component made of a gamma-prime (y') strengthened superalloy based on Ni or Co or Fe or combinations thereof. An application of a rapid heating-up rate of 25 to 60 °C/min in a specific temperature range during the first post-built heat treatment after additive manufacturing avoids or at least minimizes the gamma-prime precipitation in the component during heat-up. This results in crack-free components/articles compared to significant cracking present in conventionally heat treated components.
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