| 摘要 |
PROBLEM TO BE SOLVED: To provide a titanium sheet having high strength and excellent press formability, and to provide a method for producing the titanium sheet. SOLUTION: The titanium sheet contains, by mass%, 0.04 to 0.06% Fe, 0.07 to 0.11% O, and the balance Ti and unavoidable impurities, wherein the average value of the Schmid factors in twin deformation ä11-22}<11-23> at the time of drawing in a rolling direction on a rolling surface of a (1/4)t (t is a sheet thickness) section is 0.40 or more. The average crystal grain size of 100 crystal grains with larger sizes among the crystal grains (α-phase) which are present in a plane of (1 mm×1 mm) of the (1/4)t (t is a sheet thickness) section is preferably 75 to 200μm. COPYRIGHT: (C)2013,JPO&INPIT |
