Patent ID: 11964327
Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Field: Other special machines (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 0:
1. A spherical functional composite powder in which an implantation material layer is formed on metal material particles, the implantation material layer includes a dispersion layer of an implantation material, a shell layer, or both thereof, and the implantation material layer contains a mechanical residual stress, wherein the functional composite powder has a size of 10 to 200 μm, the metal material particles are spheroidized metal material particles, and a surface of the spheroidized metal material particles is satellite-free; and wherein at least a portion of the implantation material layer penetrates into the metal material particles at 1 to 80% of the total thickness of the implantation material.