Search Results - "Sakka, Y"

High-temperature flexural strength performance of ternary high-entropy carbide consolidated via spark plasma sintering of TaC, ZrC and NbC by Demirskyi, D., Borodianska, H., Suzuki, T.S., Sakka, Y., Yoshimi, K., Vasylkiv, O.

“…The solid solution formation and consolidation of the (Ta,Zr,Nb)C single-phase ceramic made from commercial TaC, ZrC and NbC powders prepared by spark plasma…”
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High-temperature reaction consolidation of TaC–TiB2 ceramic composites by spark-plasma sintering by Demirskyi, D., Sakka, Y.

“…Dense TaC–TiB2 composites were obtained by reactive spark plasma sintering (SPS). Effect of TaC content, consolidation temperature on microstructure and…”
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Chiroptical Properties Induced in Chiral Photonic-Bandgap Liquid Crystals Leading to a Highly Efficient Laser-Feedback Effect by Furumi, S., Sakka, Y.

“…Highly efficient lasing action is obtained by exploiting the chiroptical characteristics of the ground and excited states of an achiral fluorescent dye doped…”
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A dense and tough (B4C–TiB2)–B4C ‘composite within a composite’ produced by spark plasma sintering by Bogomol, I., Borodianska, H., Zhao, T., Nishimura, T., Sakka, Y., Loboda, P., Vasylkiv, O.

“…A (B4C–TiB2)–B4C “composite within a composite” was spark plasma sintered using a mixture of B4C and B4C–TiB2 eutectic powders. The effect of the eutectic…”
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Room and high temperature flexural failure of spark plasma sintered boron carbide by Vasylkiv, O., Demirskyi, D., Badica, P., Nishimura, T., Tok, A.I.Y., Sakka, Y., Borodianska, H.

“…Dense (95–98.6%) bulk boron carbide prepared by Spark Plasma Sintering (SPS) in Ar or N2 atmospheres were subject to three-point flexural tests at room and at…”
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Application of constant current pulse to suppress bubble incorporation and control deposit morphology during aqueous electrophoretic deposition (EPD) by Besra, L., Uchikoshi, T., Suzuki, T.S., Sakka, Y.

“…Electrophoretic deposition (EPD) from aqueous suspension generally forms deposits containing enormous pores because of evolution of hydrogen gas at cathode and…”
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Spark plasma sintering of MgB2 in the two-temperature route by ALDICA, G, BATALU, D, POPA, S, IVAN, I, NITA, P, SAKKA, Y, VASYLKIV, O, MIU, L, PASUK, I, BADICA, P

“…Superconducting bulks of MgB2 were obtained by an ex-situ two-temperature route applied to spark plasma sintering (SPS). Processing of samples was performed at…”
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Flexible Polymer Colloidal-Crystal Lasers with a Light-Emitting Planar Defect by Furumi, S., Fudouzi, H., Miyazaki, H. T., Sakka, Y.

“…Flexible polymer laser devices excited by low‐threshold optical light are fabricated from colloidal crystals (CCs; see figure). The laser‐cavity structure…”
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Microstructure and high-temperature strength of B4C-TiB2 composite prepared by a crucibleless zone melting method by BOGOMOL, I, NISHIMURA, T, VASYLKIV, O, SAKKA, Y, LOBODA, P

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Moving finite-element mesh model for aiding spark plasma sintering in current control mode of pure ultrafine WC powder by Maizza, G., Grasso, S., Sakka, Y.

“…The intricate bulk and contact multiphysics of spark plasma sintering (SPS) together with the involved non-linear materials’ response make the process…”
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High-temperature toughening in ternary medium-entropy (Ta1/3Ti1/3Zr1/3)C carbide consolidated using spark-plasma sintering by Demirskyi, D., Nishimura, T., Suzuki, T.S., Sakka, Y., Vasylkiv, O., Yoshimi, K.

“…We report for the first time the effect of temperature on the mechanical properties of (Ta 1/3 Ti 1/3 Zr 1/3 )C carbide. Flexural strength and fracture…”
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Influence of shape and size on the alignment of multi-wall carbon nanotubes under magnetic fields by Jang, B.K., Sakka, Y.

“…The influence of the shape and size of carbon nanotubes (CNTs) on the alignment of multi-wall CNTs was investigated. A CNT suspension with polyethylenimine…”
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Microstructure evolution during field-assisted sintering of zirconia spheres by Demirskyi, D., Borodianska, H., Grasso, S., Sakka, Y., Vasylkiv, O.

“…The microstructure evolution during microwave-assisted sintering and spark plasma sintering of 50 μm spherical powder is presented. The two microstructures…”
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High-temperature strength of directionally reinforced LaB6-TiB2 composite by BOGOMOL, I, NISHIMURA, T, VASYLKIV, O, SAKKA, Y, LOBODA, P

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The c-axis texturing of seeded Si3N4 with β-Si3N4 whiskers by slip casting in a rotating magnetic field by ZHU, X. W, SAKKA, Y, SUZUKI, T. S, UCHIKOSHI, T, KIKKAWA, S

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Synthesis and consolidation of TiN/TiB2 ceramic composites via reactive spark plasma sintering by KHOBTA, I, PETUKHOV, O, VASYLKIV, O, SAKKA, Y, RAGULYA, A

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Dense mullite zirconia composites obtained from the reaction sintering of milled stoichiometric alumina zircon mixtures by SPS by Rendtorff, N.M., Suárez, G., Sakka, Y., Aglietti, E.F.

“…The main objective of this article is to obtain dense (porosity under 0.5%) polyphasic ceramics belonging to the Al2O3–SiO2–ZrO2 system by SPS sintering of…”
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Anisotropy in activation energy of textured LiCoO2 for the initial stage of sintering by Yamada, H., Suzuki, T.S., Uchikoshi, T., Hozumi, M., Saito, T., Sakka, Y.

“…The anisotropic initial sintering of oriented LiCoO2 green compacts prepared by slip casting in a strong magnetic field was studied. The activation energy and…”
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Dense Alumina Ceramics Obtained by Gelcasting and Cold Isostatic Pressing with the Use of 2-Carboxyethyl Acrylate by Wiecińska, P., Pietrzak, E., Sakka, Y., Nakamura, J., Szafran, M.

“…In ceramic forming techniques high particles packing can provide better properties of the final ceramic products. The high quality of the material coupled with…”
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Hard polycrystalline eutectic composite prepared by spark plasma sintering by Bogomol, I., Grasso, S., Nishimura, T., Sakka, Y., Loboda, P., Vasylkiv, O.

“…A polycrystalline eutectic B4C–TiB2 composite was prepared by spark plasma sintering. The starting eutectic powder was obtained by mechanical grinding of the…”
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