莰烯基冷冻浇注成型法制备Al_2O_3多孔陶瓷.pdf

29 6 硅 酸 盐 通 报 Vo l. 29 N o. 6 2010 12 BU LLET IN OF THE CH IN ESE CERAM IC SOC IETY D ecember 20 10 A l2 O3 1 2 2 2 1 刘波涛 骆 兵 许壮志 刘贵山 ( 1. 116034; 2. 110036 ) : DN J- 1 : 10 ~ 50vo%l 1650 10 ~ 50 m 14% ~ 78% 10vo%l 15. 6M Pa : ; ; ; : TQ 174 : A : 1001- 1625( 2010) 06- 13 18-05 Preparation of Porou s A l O Ceram ic by 2 3 Cam ph ene-based F reeze-casting 1, 2 2 2 1 LI UB o-tao , L UO B ing , X U Zhuang-zh i, LI U Gui-shan ( 1. C ollege of Chem ical and M aterial D alian Po lytechn icU n ivers ity D alian 116034 Ch in a; 2. L iaon ing R esearch In stitute of L ight Indust ry Sheny ang 110036 Ch ina) Abs tract: T he oriented and a ligned porou s a lum ina ceram ics w as prep ared by a cam phene-b ased freeze- cast ing technique. T he effect o f so lid load ing on v iscosity o f slurry the effect o f tmi e on green body sublmi ation beh av io r the relation sh ip betw een solid loading and po rosity pore direction and fracture m icrostru cture of po rous a lum ina ceram ics w ere investigated by m ean s o f the NDJ-1typ e ro tating v iscom eter scanning electron ic m icroscope app arent porosity and bulk den sity tester. The results