B
4
C-Al
2
O
3
复合陶瓷的增韧机理
张巍, 张杰
Toughening Mechanism of B
4
C-Al
2
O
3
Composite Ceramics
ZHANG Wei, ZHANG Jie
表2
B
4
C-Al
2
O
3
复合陶瓷的相对密度和晶粒尺寸
Table 2
Relative density and grain size of B
4
C-Al
2
O
3
composite ceramics
Relative density / %
Grain size / μm
B
4
C
Al
2
O
3
Avg.
A0
98.4
1.07
-
-
A1
88.9
1.05
1.56
1.08
A2
96.1
1.01
1.22
1.04
A3
98.8
0.75
1.47
0.90
A4
98.5
0.81
1.63
1.05