| 摘要 |
PROBLEM TO BE SOLVED: To provide titanium ingot producible with very little energy and a method of producing titanium ingot which produces titanium ingot with high productivity using very little energy.SOLUTION: A method of producing titanium ingot 1a includes a formation step of forming a porous part 2a by forming a porous titanium raw material into ingot and a melting step of forming a dense coating part 3a by melting the surface of the porous part 2a formed in the formation step in a vacuum. |
