| 摘要 |
PROBLEM TO BE SOLVED: To achieve the superior bending workability peculiar to a copper alloy and further improve the strength and bending workability, while respecting the essence of a strengthening mechanism of titanium copper, and adequately securing the superior characteristics thereof. SOLUTION: The copper alloy containing 2.0 to 4.0mass% Ti is characterized in that other impurity elements are≤0.01mass% in total and that the diffraction peak of aβphase (TiCu<SB>3</SB>) observed on an X-ray diffraction pattern is <1/10 of the diffraction peak of (111) if largest. COPYRIGHT: (C)2007,JPO&INPIT
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