Comparative study of β-Si3N4 powders prepared by SHS sintered by spark plasma sintering and hot pres

• 作 者: Ling Bai Xiaodong Mao Weiping
• 机 构: LaboratoryofSpecialCeramicsandPowderMetallurgy
• 出 处: 北京科技大学学报：英文版
• 发表日期: 2007年3期
• 关键词: 火花等离子体烧结 硅氮化合物 粉末冶金 自动扩展高温合成 机械性能 self-propagating high-temperature synthesis （S
• 基金项目: This work was financially supported by the National Natural Science Foundation of China （No.2001AA333080）.

β-Si3N4 powders prepared by self-propagating high-temperature synthesis (SHS) with additions of Y2O3 and Al2O3 were sintered by spark plasma sintering (SPS). The densification, microstructure, and mechanical properties of Si3N4 ceramics prepared using thi