氮气压力对多孔氮化硅陶瓷显微组织和力学性能的影响
张俊禧1, 徐照芸1, 王波1, 秦毅1, 杨建锋1, 赵中坚2, 胡伟2, 施志伟2

Effects of Nitrogen Pressure on Microstructure and Mechanical Performance of Porous Silicon Nitride Ceramics
ZHANG Jun-Xi1, XU Zhao-Yun1, WANG Bo1, QIN Yi1, YANG Jian-Feng1, ZHAO Zhong-Jian2, HU Wei2, SHI Zhi-Wei2
图4 1750 ℃不同氮气压力烧结试样断口SEM照片
Fig. 4 SEM images of porous Si 3 N 4 ceramic sintered at 1750 ℃ with different N 2 pressures a 0.12 MPa; b 0.32 MPa; c 0.52 MPa