| 摘要 |
PURPOSE:To reduce a working critical pressure and to make the final working sheet-thickness optionally selectable by holding a Ti-base alloy material to be rolled between other metallic bar materials and hot-rolling them. CONSTITUTION:A previously rolled Ti, Ni alloy 3 is enclosed by pure iron materials 1, 2. The insides of the pure iron materials 1, 2 for enclosing are cut by a portion of the thickness of alloy 3 so that the alloy 3 is housed in the materials 1, 2 in tight contact with them; thus the alloy 3 is held between them and is set in a clad state, and the contact surfaces of the materials 1, 2 to be formed into outer shells are welded. The clad material obtained in this way is heated to >=600 deg.C and is hot-rolled, thereafter the materials 1, 2 are removed. |
