Recent progress on synthesis, multi-scale structure, and properties of Y–Si–O oxides

Z Sun, M Li, Y Zhou - International materials reviews, 2014 - journals.sagepub.com
Yttrium silicates (Y–Si–O oxides), including Y2Si2O7, Y2SiO5, and Y4· 67 (SiO4) 3O apatite,
have attracted wide attentions from material scientists and engineers, because of their …

Lowering grain boundary resistance of BaZr 0.8 Y 0.2 O 3− δ with LiNO 3 sintering-aid improves proton conductivity for fuel cell operation

Z Sun, E Fabbri, L Bi, E Traversa - Physical Chemistry Chemical …, 2011 - pubs.rsc.org
A novel sintering additive based on LiNO3 was used to overcome the drawbacks of poor
sinterability and low grain boundary conductivity in BaZr0. 8Y0. 2O3− δ (BZY20) protonic …

Fabrication of low thermal conductivity yttrium silicate ceramic flat membrane for membrane distillation

MY Yang, JW Wang, L Li, BB Dong, X **n… - Journal of the European …, 2019 - Elsevier
This paper reports on the successful fabrication of γ-Y 2 Si 2 O 7 membranes with low
thermal conductivity, which is an important membrane property for achieving high …

Mechanical and dielectric properties of porous Si3N4 ceramics using PMMA as pore former

Y **a, YP Zeng, D Jiang - Ceramics International, 2011 - Elsevier
Porous Si3N4 ceramics were prepared using PMMA as pore former, and the mechanical
and dielectric properties were investigated, as a function of porosity. Higher porosity was …

Si3N4 ceramics joined with Si3N4-Li2O-Y2O3 by spark plasma sintering

LL Zhu, XH Tan, JH Chen, XH Chen, CH Dong… - Journal of the European …, 2025 - Elsevier
In this study, Si 3 N 4 ceramics combined with the Si 3 N 4-Li 2 OY 2 O 3 system were joined
by spark plasma sintering (SPS) at 30 MPa in N 2 atmosphere. The effects of the joining …

Mechanical, dielectric and thermal properties of porous boron nitride/silicon oxynitride ceramic composites prepared by pressureless sintering

Y Sun, Z Yang, D Cai, Q Li, H Li, S Wang, D Jia… - Ceramics …, 2017 - Elsevier
Porous boron nitride/silicon oxynitride (BN/Si 2 N 2 O) composites were fabricated by
pressureless sintering at 1650° C with Li 2 O as sintering aid. The influence of Li 2 O and …

Low-temperature synthesis/densification and properties of Si2N2O prepared with Li2O additive

Q Tong, J Wang, Z Li, Y Zhou - Journal of the European Ceramic Society, 2007 - Elsevier
Dense Si2N2O was successfully synthesized using 2mol% Li2O as an additive by a hot-
pressing method at 1500° C. Compared to other metal oxide additives, Li2O can significantly …

Low-temperature synthesis and sintering of γ-Y2Si2O7

Z Sun, Y Zhou, M Li - Journal of materials research, 2006 - Springer
In this article, a novel pressureless solid-liquid reaction method is presented for preparation
of yttrium disilicate (γ-Y 2 Si 2 O 7). Single-phase γ-Y 2 Si 2 O 7 powder was synthesized by …

Li2O addition as a means of achieving low-temperature densification of SiC ceramic

L Ren, Q Ren, Z Yin, T Cao, X **, F Ge, Z Huang… - Ceramics …, 2024 - Elsevier
In order to achieve low-temperature densification of SiC ceramic, β-SiC nanopowder was
doped with Li 2 O together with Y 2 O 3–Al 2 O 3–MgO as sintering aids, and then spark …

Rare‐earth disilicates as oxidation‐resistant fiber coatings for silicon carbide ceramic–matrix composites

EE Boakye, P Mogilevsky, RS Hay… - Journal of the …, 2011 - Wiley Online Library
Current SiC‐based ceramic–matrix composites (SiC–SiC CMCs) rely on carbon or boron
nitride fiber–matrix interphases for toughness and flaw tolerance. However, oxidation of …