| 摘要 |
PROBLEM TO BE SOLVED: To obtain an excellent balance of strength and ductility to a titanium copper by controlling a particle boundary reaction phase.SOLUTION: There is provided titanium copper containing Ti of 2.0 to 4.0 mass%, one or more selected from a group consisting of Fe, Co, Mg, Si, Ni, Cr, Zr, Mo, V, Nb, Mn, B and P as a third element of total 0 to 0.5 mass% and the balance copper with inevitable impurities and having maximum area percentage of a particle boundary reaction phase in each crystal particle of 5 to 30% in a structure observation of a cross section parallel to a rolling direction.SELECTED DRAWING: Figure 1 |
