Patent ID: 8900686
Filing Date: 2014-12-02
Classification: B28B,B29C,C04B,Y10T

Abstract:
1. A molded body comprising: a first molded part formed by molding and hardening, by gel casting, a first material slurry which contains a first material powder, a dispersant, and a gelling agent, and by causing the molded first material slurry to set; and a second molded part bonded to the already hardened first molded part and formed by molding and hardening, by gel casting, a second material slurry which contains a second material powder different from the first material powder, a dispersant, and a gelling agent, and by causing the molded second material slurry to set, wherein the molded body has a planar surface or a curved surface having a region where the first molded part is exposed, and a region where the second molded part is exposed, and the molded body has a difference in level on the planar or curved surface in a region corresponding to a boundary between the first and second molded parts, and the difference in level is 13 times to 20 times a median diameter of particles of the first material powder contained in the first molded part or a median diameter of particles of the second material powder contained in the second molded part, whichever is greater.