To provide a thermal diffusion material in which fine carbon fibers are uniformly dispersed in a metal sintered body while each of the fine carbon fibers maintains a fiber shape without being pulverized and with which heat of a thermal body can be effectively dissipated, and to provide a method for producing the thermal diffusion material.
There are disclosed the thermal diffusion material including fine carbon fibers uniformly dispersed within a matrix of a metal sintered body, and the method for producing the thermal diffusion material, including the steps of: (A) preparing a dispersion liquid including fine carbon fibers; (B) introducing an organic functional group on a surface of a metal particle comprising a metal material constituting the metal sintered body; (C) adding the metal particle in which the functional group has been introduced into the dispersion liquid to prepare a composite particle including the metal particle having a surface on which the fine carbon fibers are adsorbed via the functional group; and (D) sintering the composite particle.
KURI YUUJI
SASAKI KEIICHI
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