冷冻干燥法制备多孔陶瓷研究进展
刘岗1,2, 严岩1

Research Progress of Porous Ceramics Produced by Freeze Casting Technique
LIU Gang1,2, YAN Yan1
图20 典型的梯度孔结构 [ 29 ]
Fig. 20 Graded porosity with three distinct regions [ 29 ]