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Ni-BASED ALLOY SOFTENING MATERIAL, AND METHODS FOR PRODUCING Ni-BASED ALLOY MEMBER, BOILER TUBE, COMBUSTOR LINER, GAS TURBINE ROTOR BLADE, GAS TURBINE DISK AND Ni-BASED ALLOY STRUCTURE USING THE SAME
Ni-BASED ALLOY SOFTENING MATERIAL, AND METHODS FOR PRODUCING Ni-BASED ALLOY MEMBER, BOILER TUBE, COMBUSTOR LINER, GAS TURBINE ROTOR BLADE, GAS TURBINE DISK AND Ni-BASED ALLOY STRUCTURE USING THE SAME
PROBLEM TO BE SOLVED: To provide an Ni-based alloy softening material which can achieve both excellent workability of a precipitation-strengthened Ni-based alloy member comprising a large amount of γ'phase in the production process and excellent high-temperature strength of the Ni-based alloy member.;SOLUTION: An Ni-based alloy softening material has Vickers hardness at room temperature of 400 or less, 0.2% proof stress at 900°C of 300 MPa or less, and γ'phase solid-solution temperature of 1050°C or more.;SELECTED DRAWING: Figure 6;COPYRIGHT: (C)2016,JPO&INPIT
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