2021 年 58 巻 11 号 p. 604-612
In this paper, we introduced the fabrication of β-TCP/Ti composites as biomaterials by the spark plasma sintering (SPS) method, and two studies to customize powders for the metal-ceramic composite (MCC) fabrication using SPS. In the study attempting the fabrication of β-TCP/Ti composite by SPS, the difficulty of metal-ceramics sintering was revealed; the decomposition of β-TCP due to the reaction with Ti particles during sintering decreased in sinterability. Thus, based on the simple strategy of “reducing the contact area between Ti particles and β-TCP particles to suppress the decomposition of β-TCP during sintering”, we attempted to solve the problem by customizing powders for the composite with two different powder preparation methods: the homogeneous precipitation method to control the agglomerate size of β-TCP, and the mechanical milling method to prepare Ti-Mg powder.
