| 摘要 |
The ceramic molded body of the present invention includes spherical cells of a spherical bubble plurally formed therein: in the ceramic molded body the spherical cells neighboring each other are communicated through communication porosities and form a three-dimensional network structure, and a ratio (M<SUB>d</SUB>/M<SUB>D</SUB>) of a median (M<SUB>d</SUB>) of inner diameters of the communication porosities to a median (M<SUB>D</SUB>) of inner diameters of the spherical cells is less than 0.5. In the ceramic molded body used for manufacturing a metal matrix composite, a metal is filled within the spherical cells and the communication porosities.
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