Search Results - "Watanabe, Tadahiko"

Direct view of stress distribution in solid by mechanoluminescence by Xu, Chao-Nan, Watanabe, Tadahiko, Akiyama, Morito, Zheng, Xu-Guang

“…Visualization of stress distribution has been realized by a nondestructive mechanoluminescence (ML) from SrAl2O4:Eu, which can emit three magnitudes higher…”
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Dynamic visualization of stress distribution by mechanoluminescence image by Xu, Chao-Nan, Zheng, Xu-Guang, Akiyama, Morito, Nonaka, Kazuhiro, Watanabe, Tadahiko

“…We report the realization of the dynamic image of stress distribution by developing a remarkably strong mechanoluminescence (ML) material of…”
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Influence of Eu, Dy co-doped strontium aluminate composition on mechanoluminescence intensity by Akiyama, Morito, Xu, Chao-Nan, Liu, Yun, Nonaka, Kazuhiro, Watanabe, Tadahiko

“…We have investigated the mechanoluminescence (ML) of Eu,Dy co-doped strontium aluminates. The SrAl 2O 4 and Sr 3Al 2O 6 indicate high ML intensity, which is…”
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Intense visible light emission from Sr3Al2O6:Eu,Dy by Akiyama, Morito, Xu, Chao-nan, Nonaka, Kazuhiro, Watanabe, Tadahiko

“…The triboluminescence intensity from stress-activated Sr3Al2O6:Eu,Dy (SAO-ED) was so strong that we could see it with the naked eye in the atmosphere. The…”
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Enhancement of adhesion and triboluminescence of ZnS:Mn films by annealing technique by Xu, Chao-Nan, Zheng, Xu-Guang, Watanabe, Tadahiko, Akiyama, Morio, Usui, Ichiro

“…Highly triboluminescent and strongly adherent ZnS films doped with Mn (ZnS:Mn) were fabricated on glass substrates by ion-plating and a post-plating heat…”
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Fabrication and Mechanical Properties of Al2O3-WC-Co Composites by Vacuum Hot Pressing by Tai, Weon-Pil, Watanabe, Tadahiko

“…Al2O3‐WC‐Co composites were fabricated by vacuum hot‐pressing mixtures of Al2O3, WC, and cobalt powders. The phases formed with WC additions of up to 40 wt%…”
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Statistical approach for optimizing sputtering conditions of highly oriented aluminum nitride thin films by Akiyama, Morito, Xu, Chao-Nan, Nonaka, Kazuhiro, Shobu, Kazuhisa, Watanabe, Tadahiko

“…Design of experiments and the analysis of variance (ANOVA) are very efficient methods to optimize the sputtering conditions for highly c-axis oriented aluminum…”
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Effect of Moisture on the High-Temperature Stability of Unidirectionally Solidified Al2O3/YAG Eutectic Composites by Bahlawane, Naoufal, Watanabe, Tadahiko, Waku, Yoshiharu, Mitani, Atsuyuki, Nakagawa, Narihito

“…The corrosion resistance of a unidirectionally solidified alumina/yttrium aluminum garnet (Al2O3/YAG) eutectic mixture was investigated at high temperature…”
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Development of Strongly Adherent Triboluminescent Zinc Sulfide Films on Glass Substrates by Ion Plating and Annealing by Xu, Chao-Nan, Watanabe, Tadahiko, Akiyama, Morio, Zheng, Xu-Guang

“…Crystalline ZnS films were prepared on glass substrates from a high‐crystallinity ZnS pellet using an ion‐plating method. The crystallinity and…”
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Preparation of highly oriented AlN thin films on glass substrates by helicon plasma sputtering and design of experiments by Akiyama, Morito, Harada, Tomohiro, Xu, Chao-Nan, Nonaka, Kazuhiro, Watanabe, Tadahiko

“…Aluminum nitride (AlN) thin films were deposited by a helicon plasma sputtering system with a radical cell. We investigated the effects of eight sputtering…”
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STRONG MECHANOLUMINESCENCE FROM UV-IRRADIATED SPINELS OF ZnGa2O4:Mn AND MgGa2O4:Mn by Matsui, H, Xu, C-N, Akiyama, M, Watanabe, T

“…The mechanoluminescence (ML) from spinels of MgAl2O4:Mn (MAO:Mn), MgGa2O4:Mn (MGO:Mn) and ZnGa2O4:Mn (ZGO:Mn) has been investigated. The MGO:Mn and ZGO:Mn gave…”
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New Sol-Gel Route for the Preparation of Pure α-Alumina at 950°C by Bahlawane, Naoufal, Watanabe, Tadahiko

“…An anhydrous alumina (Al2O3) sol was prepared from aluminum isopropoxide and an organic solvent, using an acetic acid stabilizer. The complete conversion of…”
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Visualization of stress distribution using mechanoluminescence from Sr3Al2O6: Eu and the nature of the luminescence mechanism by Akiyama, Morito, Xu, Chao-Nan, Taira, Masanori, Nonaka, Kazuhiro, Watanabe, Tadahiko

“…We have investigated the dependence of the mechanoluminescence intensity from Sr3Al2O6: Eu on compressive stress. The distribution of the mechanoluminescence…”
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Elevated-Temperature Toughness and Hardness of a Hot-Pressed Al2O3-WC-Co Composite by Tai, Weon-Pil, Watanabe, Tadahiko

“…The fracture toughness and hardness of an Al2O380WC10Co composite were investigated in air at elevated temperatures. The primary phases in the composite were…”
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High-toughness B4C-AlB12 composites prepared by Al infiltration by DU, W.-F, WATANABE, T

“…An infiltration technique for fabricating B4C-matrix composites was investigated. B4C-Al composites prepared by infiltration are well densified and have…”
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Recovery phenomenon of mechanoluminescence from Ca2Al2SiO7:Ce by irradiation with ultraviolet light by Akiyama, Morito, Xu, Chao-Nan, Matsui, Hiroaki, Nonaka, Kazuhiro, Watanabe, Tadahiko

“…We have investigated the mechanoluminescence (ML) from Ca2Al2SiO7:Ce. The ML is clearly visible to the naked eye in the atmosphere. The luminescence integrated…”
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Humidity sensors using manganese oxides by Xu, Chao-Nan, Miyazaki, Kazuhide, Watanabe, Tadahiko

“…Unique humidity sensing properties of electrolytic manganese dioxide (EMD) and its calcination products (Mn 2O 3 and Mn 3O 4) were investigated. These oxides…”
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Fabrication and Properties of Tape-Cast Laminated and Functionally Gradient Alumina-Titanium Carbide Materials by Zeng, Yu-Ping, Jiang, Dong-Liang, Watanabe, Tadahiko

“…A tape‐casting process was used to prepare various Al2O3–TiC green tapes, from which laminated and functionally gradient Al2O3–TiC materials (FGM Al2O3–TiC)…”
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Electrical power generation characteristics of PZT piezoelectric ceramics by Chao-Nan Xu, Akiyama, M., Nonaka, K., Watanabe, T.

“…The electrical power generation characteristics of Mn-doped PZT ceramics responding to slow mechanical stress as well as to impact stress have been…”
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Effects of Heat Treatment on the Surface Microstructure and Mechanical Properties of MoSi 2 ‐TiC 0.7 N 0.3 Composites by Zeng, Yu‐Ping, Xu, Chao‐Nan, Watanabe, Tadahiko

“…MoSi 2 ‐TiC 0.7 N 0.3 composites were prepared by hot‐pressing under vacuum, and MoSi 2 –TiC 0.7 N 0.3 composites were heat‐treated in air at various…”
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