CPC B22F 9/04 (2013.01) [B29C 64/141 (2017.08); B22F 2009/045 (2013.01); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12)] | 9 Claims |
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.
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