Patent ID: 11857034
Assignee: SEIKO EPSON CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC A  B  C | IPC A  B  C

Claim 0:
1. A titanium sintered body, comprising:
particles of a titanium based powder sintered to one another, the titanium based powder including gallium as an α-phase stabilizing element;
an average crystal grain diameter on a surface of the body of more than 30 μm, and 500 μm or less;
an average aspect ratio of crystal structures of the titanium based powder is 2.1 or more and 3 or less; and
a Vickers hardness on the surface of 300 or more and 800 or less,
wherein an oxygen content on the surface is 3200 ppm by mass or more and 5500 ppm by mass or less; and
wherein a carbon content on the surface is 200 ppm by mass or more and 870 ppm by mass or less.