[HTML][HTML] Morphology of subsurface cracks in glass-ceramics induced by Vickers indentation observed by synchrotron X-ray multiscale tomography

G Okuma, K Maeda, S Yoshida, A Takeuchi, F Wakai - Scientific reports, 2022 - nature.com
The characterization of subsurface cracks induced by indentation is a challenge for
understanding contact damage, impact, wear, erosion, and abrasion of brittle materials …

Study on controllable preparation of high performance andradite based glass-ceramics by harmful iron-rich waste slag

X Liu, Y Wu, B Li, W Wang - Science of The Total Environment, 2023 - Elsevier
Due to containing abundant FeO x and trace heavy metals (Pb, As, Cr, Cd, etc.), the disposal
of lead/zinc smelting slag (LSS-ZSS) with ultra-high historical reserves has attracted …

[HTML][HTML] Effect of kaolinite edge surfaces on formation of Tb 3+-doped phosphor by solid-state reaction

S Machida, K Katsumata, A Yasumori - RSC advances, 2022 - pubs.rsc.org
This study assessed the effect of kaolinite edge surfaces on solid-state reactions.
Specifically, Tb3+-doped metastable CaAl2Si2O8 showing green phosphorescence was …

Influence of Zn/Ba ratio on crystallization, sintering behavior and properties of CaO-Al2O3-SiO2 glass-ceramics

N Mu, D Chen, B Li - Journal of Non-Crystalline Solids, 2023 - Elsevier
Abstract The influence of Zn/Ba ratio on crystallization, sintering behavior and properties of
CaO-Al 2 O 3-SiO 2 (CAS) glass-ceramics was investigated. As the Zn/Ba ratio increases …

Assessment of the Crystallization Process of CaO–Al2O3–SiO2 Glass Probed with Tb3+ Luminescence

S Machida, T Yamaguchi, N Emori… - Inorganic …, 2022 - ACS Publications
The ratio of the intensity of Tb3+ fluorescence at 543 nm because of an electric dipole
transition (5D4–7F5) relative to that at 437 nm due to a magnetic dipole transition (5D3–7F4) …

[HTML][HTML] Effects of kaolinite layer expansion and impurities on the solid-state reaction of kaolinite

S Machida, K Katsumata, A Yasumori - RSC advances, 2021 - pubs.rsc.org
Expanded kaolinite without impurities was found to serve as a suitable raw material for the
rapid formation of metastable CaAl2Si2O8 with the suppression of byproduct formation. This …

[HTML][HTML] Examining phase separation and crystallization in glasses with X-ray nano-computed tomography

JM Bussey, MH Weber, NJ Smith-Gray, JJ Sly… - Journal of Non …, 2023 - Elsevier
X-ray nano-computed tomography (nano-CT) is a powerful technique to characterize and
visualize 3 dimensional (3D) phenomena in complex glasses at the nanoscale. This …

Plasma-sprayed Yb3Al5O12 as a novel thermal barrier coating for gas turbine applications

X Lu, J Yuan, G Li, M Xu, G Lu, Y Zhang, F Yuan… - Journal of the European …, 2024 - Elsevier
In this study, the garnet-type Yb 3 Al 5 O 12 coating was fabricated by atmospheric plasma
spraying and its properties were systematically investigated. Results show the as-sprayed …

Indentation‐induced ductile behavior of glass–ceramics involving layered aluminosilicates

K Maeda, G Okuma, S Yoshida, F Wakai… - Journal of the …, 2023 - Wiley Online Library
Contact damage in materials is critical in engineering applications because it influences
mechanical resistance, such as wear, erosion, and impact failure. Indentation tests were …

Microstructural Control of CaO–Al2O3–SiO2 Glass Ceramics by Oxidation and Mixing with Nucleation Agents

S Machida, K Maeda, K Katsumata, A Yasumori - ACS omega, 2022 - ACS Publications
Microstructural control of CaO–Al2O3–SiO2 (CAS) glass ceramics (GCs) was achieved by
oxidation and mixing with nucleation agents. CAS GCs were precipitated with hexagonal …