Hisayuki Imamura
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View article: The Low-Temperature Thermal Conduction and High-Frequency Dielectric Properties of Β-Si3n4 as a Heat-Dissipation Substrate
The Low-Temperature Thermal Conduction and High-Frequency Dielectric Properties of Β-Si3n4 as a Heat-Dissipation Substrate Open
View article: Impurity Oxygen-Triggered α- → β-Si3N4 Phase Transformation at 1900 °C
Impurity Oxygen-Triggered α- → β-Si3N4 Phase Transformation at 1900 °C Open
Oxide additive-free α- → β-Si3N4 phase transformation of a high-purity commercial α-Si3N4 powder was investigated at 1600 to 1900 °C under a nitrogen pressure of 980 kPa. The XRD analysis revealed that the α- → β-Si3N4 phase transformation…
View article: Oxide Additive-Free α- → β-Si<sub>3</sub>N<sub>4</sub> Phase Transformation at 1900 °C
Oxide Additive-Free α- → β-Si<sub>3</sub>N<sub>4</sub> Phase Transformation at 1900 °C Open
Oxide additive-free α- ⇀ β-Si3N4 phase transformation of a high-purity commercial α-Si3N4 powder was investigated at 1600 to 1900 ℃ under nitrogen pressure of 980 kPa. The XRD analysis revealed that the α- ⇀ β-S…
View article: Thermal conductivity improvement in silicon nitride ceramics via grain purification
Thermal conductivity improvement in silicon nitride ceramics via grain purification Open
β‐silicon nitride (β‐Si 3 N 4 ) ceramics with an additive oxide system of 1 wt% MgO and 3 wt% Re 2 O 3 (Re = Gd, La, Y, and Yb) were fabricated by liquid phase sintering at 1950°C under nitrogen pressure of 748 kPa. Starting α‐Si 3 N 4 pow…
View article: Correction to: A facile method to produce rod‐like β‐Si <sub>3</sub> N <sub>4</sub> seed crystallites for bimodal structure controlling
Correction to: A facile method to produce rod‐like β‐Si <sub>3</sub> N <sub>4</sub> seed crystallites for bimodal structure controlling Open
Correction to: Journal of the American Ceramic Society https://doi.org/10.1111/jace.18893 The original version of this article was published with incorrect Table 3, which was the tentative one prepared during we examined the data before pu…