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warmth treated nickel base superalloy against state as well as the method, and between the single crystal against state to its production
warmth treated nickel base superalloy against state as well as the method, and between the single crystal against state to its production
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机译:温态处理镍基高温合金的抗逆性及方法,以及单晶之间抗态化的生产
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摘要
The invention relates to nickel-based superalloy single-crystal objects which are produced from a special alloy and heat-treated. The resulting objects are substantially free of grain boundary hardeners such as carbon, boron and zirconium, and contain only a limited amount of cobalt. Owing to the alloy composition, the alloys have a high initial melting point. The heat treatment process homogenises the microstructure and refines the gamma '-morphology. The invention is particularly useful, for example, in the production of rotor blades and guide vanes for gas turbine engines.
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