Investigation of the effect of ZrO2 and ZrO2/Al2O3 additions on the hot-pressing and properties of equimolecular mixtures of α-and β-Si3N4
EMM Ewais, MAA Attia, A Abousree-Hegazy… - Ceramics …, 2010 - Elsevier
In this work, hot-pressing of equimolecular mixtures of α-and β-Si3N4 was performed with
addition of different amounts of sintering additives selected in the ZrO2–Al2O3 system …
addition of different amounts of sintering additives selected in the ZrO2–Al2O3 system …
Effect of preheating and isothermal holding time on the crystallization, densification and properties of a sintered lithium silicate glass-ceramic
The objective of this work was to study the effect of different heating-up procedures and
isothermal treatment times on crystallization, densification and properties of a sintered non …
isothermal treatment times on crystallization, densification and properties of a sintered non …
Stabilization of α-SiAlONs using a rare-earth mixed oxide (RE2O3) as sintering additive
α-SiAlONs are commonly produced by liquid phase sintering of Si3N4 with AlN and Y2O3 as
additives. The formation of the α-SiAlONs using a mixed oxide (RE2O3), containing yttria …
additives. The formation of the α-SiAlONs using a mixed oxide (RE2O3), containing yttria …
Reactive synthesis of FeWB powders and preparation of bulk materials
J Li, J Li, C Li, Y Liu - International Journal of Refractory Metals and Hard …, 2014 - Elsevier
The FeWB alloy powders were successfully obtained from reactive synthesis, and the bulk
materials were prepared by the spark plasma sintering (SPS) technique using the FeWB …
materials were prepared by the spark plasma sintering (SPS) technique using the FeWB …
Influence of additive content on the anisotropy in hot-pressed Si3N4 ceramics using grain orientation measurements
C Santos, K Strecker, SA Baldacim, OMM Da Silva… - Ceramics …, 2004 - Elsevier
The influence of additive content on the microstructure and its mechanical properties in
planes parallel and normal to the hot-pressing axis of Si3N4 ceramics has been investigated …
planes parallel and normal to the hot-pressing axis of Si3N4 ceramics has been investigated …
Sintering Temperature Dependence of the Flexibility of ZrO2‐Modified Aluminum Titanate Flexible Ceramics
Q Ma, A Shui, Q Shan, C Chen… - Advanced Engineering …, 2023 - Wiley Online Library
ZrO2‐modified aluminum titanate (Al2TiO5, AT) flexible ceramics are prepared by solid‐
state reaction method. The influence of sintering temperature and holding time on the …
state reaction method. The influence of sintering temperature and holding time on the …
Crystallographic characterization of silicon nitride ceramics sintered with Y2O3–Al2O3 or E2O3–Al2O3 additions
Silicon nitride ceramics were sintered using Y2O3–Al2O3 or E2O3–Al2O3 (E2O3 denotes a
mixed oxide of Y2O3 and rare-earth oxides) as sintering additives. The intergranular phases …
mixed oxide of Y2O3 and rare-earth oxides) as sintering additives. The intergranular phases …
Highly dense Si3N4 crucibles used for Al casting: An investigation of the aluminum–ceramic interface at high temperatures
In this work, dense ceramic crucibles based on silicon nitride (Si3N4) were obtained and
submitted to the casting processes, aiming to investigate the degradation of these crucibles …
submitted to the casting processes, aiming to investigate the degradation of these crucibles …
Hot Pressed Si3N4 Ceramics Using MgO–Al2O3 as Sintering Additive for Vehicle Engine Parts
MAA Attia, EMM Ewais - Refractories and Industrial Ceramics, 2020 - Springer
In an attempt to optimize a qualified ceramic material with enhanced and outstanding
characteristics, the current work aims to study the processing of dense Si 3 N 4 based …
characteristics, the current work aims to study the processing of dense Si 3 N 4 based …