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14 多孔二氧化钛陶瓷截面扫描电镜照片 [ 52 ]
Fig. 14 SEM images of porous TiO 2 with cross-section parallel and perpendicular to the ice growth direction [ 52 ] a 3wt% PVA, parallel; b 3wt% PVA, perpendicular; c 6wt% PVA, parallel; d 6wt% PVA, perpendicular