Process for preparation of porous ceramic by adding pore-forming agent

The invention provides a process for preparation of porous ceramic by adding a pore-forming agent. The process includes: adding a pore-forming agent into ceramic powder, carrying out compression molding by a mold, occupying a certain space in a green body by the pore-forming agent, then performing high-temperature sintering, and carrying out thermal decomposition on the pore-forming agent to formpores, thereby obtaining the porous ceramic. By adjusting the adding amount of the pore-forming agent and the sintering temperature, the process can effectively control the porosity and mechanical properties of the porous ceramic, and the porous ceramic prepared by the process has high mechanical strength. 本发明提供了一种添加造孔剂法制备多孔陶瓷的工艺，该工艺通过在陶瓷粉料中添加造孔剂，并用模具压制成型，利用造孔剂在坯体中占据一定的空间，然后在高温烧结下，造孔剂受热分解而形成气孔，即可得到多孔陶瓷；该工艺通过调整造孔剂的添加量和烧结温度，可以有效地控制多孔陶瓷的气孔率和力学性能，用该工艺制备的多孔陶瓷具有较高的力学强度。