无铅压电陶瓷KNN常压烧结及其电学性能
张东升
1
, 田爱芬
2
Electrical Properties of K
0.5
Na
0.5
NbO
3
Lead-free Piezoceramics by Pressureless Sintering
ZHANG Dong-Sheng
1
, TIAN Ai-Fen
2
图3 不同温度烧结得到的KNN的SEM照片
Fig. 3 SEM images of KNN ceramics sintered at different temperatures a 1070 ℃; b 1080 ℃; c 1100 ℃; d 1120 ℃