Cold-Sintered SiO₂ Ceramic

Near-full density at 200°C

Dense transparent SiO₂ glass and crystallized ceramics fabricated via cold sintering with transient chemistry at 200°C, enabling near-full densification and controlled crystallization without high-temperature firing.

Kang, Shenglin · Zhao, Xuetong · Guo, Jing · Yongjian, Xiao · Yang, Yang · Binlang, He · Xilin, Wang · Lijun, Yang · Liao, Ruijin

Scripta Materialia 2023

Specifications

相对密度
{'zh': '96.8', 'en': ''} %
可见光透过率
{'zh': '约80', 'en': ''} %

Advantages

Vickers hardness 3.1 (±0.14) GPa and Young's modulus 45.6 (±2.7) GPa

Vickers hardness 5.7 (±0.13) GPa and Young's modulus 60.2 (±3.2) GPa after crystallization at 300°C