Demonstration of SiO2/SiC based protective coating for dental ceramic prostheses [0.03%]
基于SiO₂/SiC结构的全瓷冠修复体保护性涂层的研究
Zhiting Chen,Chaker Fares,Randy Elhassani et al.
Zhiting Chen et al.
SiO2/SiC coatings were deposited onto ceramics disks using plasma enhanced chemical vapor deposition. The effects of deposition pressure and gas-flow ratio on the refractive index, extinction coefficient, and SiC composition were studied. F...
Robert F Cook,Frank W DelRio
Robert F Cook
A procedure is outlined for determining the population of flaws in manufactured ceramics from strength measurements of sampled components. The broad applicability of the procedure is demonstrated in a quantitative manner, using strength mea...
Thin water films and particle morphology evolution in nanocrystalline MgO [0.03%]
纳米级氧化镁中的薄水膜和颗粒形貌演变
Daniel Thomele,Amir R Gheisi,Matthias Niedermaier et al.
Daniel Thomele et al.
A key question in the field of ceramics and catalysis is how and to what extent residual water in the reactive environment of a metal oxide particle powder affects particle coarsening and morphology. With X-ray Diffraction (XRD) and Transmi...
A Critical Comparison of 3D Experiments and Simulations of Tricalcium Silicate Hydration [0.03%]
三维实验和模拟三硅酸钙水化的批判性比较研究
Jeffrey W Bullard,John Hagedorn,M Tyler Ley et al.
Jeffrey W Bullard et al.
Advances in nano-computed X-ray tomography (nCT), nano X-ray fluorescence spectrometry (nXRF), and high-performance computing have enabled the first direct comparison between observations of three-dimensional nanoscale microstructure evolut...
Jeffrey W Bullard,George W Scherer
Jeffrey W Bullard
A model for an ideal solid solution, developed by Nourtier-Mazauric et al. [Oil & Gas Sci. Tech. Rev. IFP, 60 [2] (2005) 401], is applied to calcium-silicate-hydrate (C-S-H). Fitting the model to solubility data reported in the literature f...
Joseph J Biernacki,Jeffrey W Bullard,Gaurav Sant et al.
Joseph J Biernacki et al.
In a book published in 1906, Richard Meade outlined the history of portland cement up to that point1. Since then there has been great progress in portland cement-based construction materials technologies brought about by advances in the mat...
(K, Na, Li)(Nb, Ta)O3:Mn lead-free single crystal with high piezoelectric properties [0.03%]
高性能压电性质的(K, Na, Li)(Nb, Ta)O3:Mn无铅单晶
Xiaoqing Huo,Rui Zhang,Limei Zheng et al.
Xiaoqing Huo et al.
Lead-free single crystal, (K, Na, Li)(Nb, Ta)O3:Mn, was successfully grown using top-seeded solution growth method. Complete matrix of dielectric, piezoelectric and elastic constants for [001]C poled single crystal was determined. The piezo...
Robert F Cook
Robert F Cook
Multiple length-scale effects are demonstrated in indentation-strength measurements of a range of ceramic materials under inert and reactive conditions. Meso-scale effects associated with flaw disruption by lateral cracking at large indenta...
Zhangwei Chen,Xin Wang,Finn Giuliani et al.
Zhangwei Chen et al.
Fracture toughness of La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) in both bulk and film forms after sintering at 900°C to 1200°C was measured using both single-edge V-notched beam (SEVNB) 3-point bending and Berkovich indentation. FIB/SEM slice-and-...
Factors influencing the stability of AFm and AFt in the Ca - Al - S - O - H system at 25 °C [0.03%]
影响Ca-Al-S-O-H系统中AFm和AFt在25°C条件下稳定性的因素
Pan Feng,Changwen Miao,Jeffrey W Bullard
Pan Feng
The stabilities of Al2O3-Fe2O3-mono (AFm) and -tri (AFt) phases in the Ca-Al-S-O-H system at 25 °C are examined using Gibbs energy minimization as implemented by GEM-Selektor software coupled with the Nagra/PSI thermodynamic database. Equi...