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Copper base alloy casting, and methods for producing casting and forging employing copper base alloy casting
Copper base alloy casting, and methods for producing casting and forging employing copper base alloy casting
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机译:铜基合金铸件,以及使用铜基合金铸件生产铸件和锻件的方法
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摘要
In the present invention, forming is carried out by employing casting to rapidly solidify molten material comprising a copper base alloy containing 3 to 20% Ag (mass % hereinafter), 0.5 to 1.5% Cr and 0.05 to 0.5% Zr. Next, an aging treatment for precipitation is carried out at 450 to 500° C., and the formed article is obtained by precipitation strengthening. In addition, in the aforementioned copper base alloy, molten material comprising a copper base alloy containing Ag in the amount of 3 to 8.5% is solidified by casting, and the solidified article or the hot worked article thereof is subjected to an aging treatment for precipitation and a thermomechanical treatment using forging or rolling, and the casting is obtained by forming the material into a specific shape and carrying out precipitation strengthening.
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