Lightweight and high-strength textured fibrous Si3N4 3D scaffold seeded with β-Si3N4 particles prepared via freeze casting

• Published in: Journal of materials science & technology Vol. 194; pp. 75 - 86
• Main Authors: Zhi, Qiang, Zhao, Shan, Hou, Baoqiang, Zhang, Nanlong, Li, Feng, Wang, Bo, Yang, Jianfeng
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 20.09.2024
• Subjects: Directional freeze-casting; Fibrous Si3N4 scaffold; High strength; Lightweight; Seeds; Seeds; Fibrous Si3N4 scaffold; High strength; Lightweight; Directional freeze-casting

•Fine β-Si3N4 seeds with a high aspect ratio were synthesized via liquid phase sintering.•The directional freezing of α-Si3N4 suspensions with β-Si3N4 seeds addition was employed to fabricate fibrous β-Si3N4 3D scaffolds with textured lamellar walls.•The fibrous grains oriented were synthesized thro...