Search Results 1-20 of 1506

  • Room temperature impact consolidation and application to ceramic coatings: aerosol deposition method

    AKEDO Jun

    … <p>Coating processes that purely use collision pressure or impact force such as the aerosol deposition (AD) method and cold spray method have been attracting attention. … These methods accelerate microparticles and ultrafine particles into a beam at velocities of several hundreds of m/s or more that impacts a substrate, thus forming dense films with good adhesion forces by only providing purely mechanical energy. …

    Journal of the Ceramic Society of Japan 128(3), 101-116, 2020


  • 2019-09-19

    Lan Yu-Pin , Chen Yen-Chun , Yeh Yi-Yun , Hung Shun-Ming

    Japanese Journal of Applied Physics 58(10), 100908-100908, 2019-09-19


  • Simulation on soot deposition in in-wall and on-wall catalyzed diesel particulate filters

    Kong Hyeonoh , Yamamoto Kazuhiro


    Catalysis Today (332), 89-93, 2019-07-15


  • Evaluation for Hydrogen Absorption and Desorption Properties of Mg/Fe/Pd Laminated Film with Vacuum Deposition  [in Japanese]

    WATANABE Junpei , NOUTOMI Mitsuo

    … <p>Hydrogen storage alloys that can store and transport hydrogen with high density and safety are attracting attention as one of the hydrogen storage methods. … Among the various hydrogen storage alloys, the Mg system has a high hydrogen storage capacity, but there is a problem that the reaction temperature with hydrogen is relatively high. …

    The Proceedings of the Materials and Mechanics Conference 2019(0), GS07, 2019


  • Evaluation of Hydrogen Absorption and Desorption Properties of Mg/Al Based Layered Thin Films  [in Japanese]

    USUI Tomoki , NOTOMI Mitsuo

    … <p>Hydrogen storage alloys that store hydrogen in the form of metal hydrides are attracting attention as a means of storing and transporting hydrogen. … Mg-based hydrogen storage alloys are expected to be used in the application because Mg is typical lightweight material and abundant resource in the earth. … %, which is large among the alloys, while it need to improve its reaction speed and high desorption temperature for the application. …

    The Proceedings of the Materials and Mechanics Conference 2019(0), GS08, 2019


  • Deposition of Polytetrafluoroethylene Film Assisted by Synchrotron Radiation Irradiation

    Takeuchi Masaya , Izumi Hirokazu , Ishihara Mari , Kobayashi Toshiro , Yamaguchi Akinobu , Utsumi Yuichi

    … First, a PTFE substrate was exposed to high-energy X-rays (2–8 keV) at room temperature. … Afterwards, the PTFE substrate (target) was heated under atmospheric pressure and fragments desorbed from the surface deposited on a glass substrate to produce a film with a thickness of above 10 µm. …

    Journal of Photopolymer Science and Technology 32(2), 249-252, 2019


  • Room temperature impact consolidation and its application to ceramic coatings:Aerosol deposition (AD) method  [in Japanese]

    AKEDO Jun

    <p>エアロゾルデポジション(AD)法やコールドスプレー(CS)法などの純粋な衝突圧力や衝撃力を利用するコーティングプロセスが注目されている.微粒子や超微粒子を数百m/s以上に加速し,ビーム形状にして基板に衝突させ,純粋な機械エネルギーを供給するだけで緻密で密着力の高い膜が形成できる.金属とセラミックスの微粒子は,ほぼ固体状態のまま室温で巨視的に結合していると考えられる.実際,AD法で …

    Oyo Buturi 88(5), 317-327, 2019


  • Effect of Re-Deposition Layers in Plasma-Facing Wall on Tritium Retention and Tritium Depth Profile

    MATSUYAMA Masao , ZUSHI Hideki , TOKUNAGA Kazutoshi , KUZMIN Arseniy , HANADA Kazuaki

    … <p>Effect of the re-deposition layers formed on plasma-exposed stainless steel type 316L (SS316L) in QUEST on the retention and depth profile of tritium has been studied by both methods of tritium exposure experiments and numerical analyses of X-ray spectra observed by the β-ray-induced X-ray spectrometry (BIXS). …

    Plasma and Fusion Research 14(0), 1405125-1405125, 2019


  • 2-2-2 Formation conditions of methane hydrates coexisting with urea  [in Japanese]

    MUROMACHI Sanehiro

    … There are two types of methane hydrate deposition under the sea: Shallow-type methane hydrates and sandy-bed type methane hydrates. … The methane hydrates are stable only at high pressure and low temperature conditions. … In order to dissociate the subsea methane hydrates and to produce methane gas, it is necessary to destabilize the methane hydrates by depressurization of heating. …

    Proceedings of the Annual Conference of The Japan Institute of Energy 28(0), 40-41, 2019


  • Evaluation of phase and thermoelectric properties of thin film SrSi<sub>2</sub>

    AOYAMA Kodai , SHIMIZU Takao , KURAMOCHI Hideto , MESUDA Masami , AKIIKE Ryo , KIMURA Yoshisato , FUNAKUBO Hiroshi

    … thin films on insulating substrates and measured their thermoelectric properties. … substrates by radio frequency magnetron sputtering method at various deposition temperatures and under various total deposition pressure. … Constituent phases primary depend on the deposition temperature. …

    Journal of the Ceramic Society of Japan 127(6), 394-398, 2019


  • Single-walled carbon nanotube growth at low temperature by alcohol gas source method using Co catalyst: enhancement effects of Al<sub>2</sub>O<sub>3</sub> buffer layer on carbon nanotube yield

    Okada Takuya , Saida Takahiro , Naritsuka Shigeya , Fukuda Katsutoshi , Maruyama Takahiro

    … <p>Using an alcohol gas source chemical vapor deposition method, we attempted to grow single-walled carbon nanotube (SWCNT) growth using Co catalysts on Al<sub>2</sub>O<sub>3</sub> … Reducing the growth temperature decreased the optimal ethanol pressure to obtain the highest SWCNT yield. … By optimizing the ethanol pressure, we succeeded in growing SWCNTs at 400ºC. …

    Transactions of the Materials Research Society of Japan 44(2), 65-68, 2019


  • Atmospheric–pressure Plasma–enhanced CVD of Hybrid Silica Membranes at Ambient Temperature and Pressure  [in Japanese]

    Ngasawa Hiroki

    … Atmospheric–pressure plasma–enhanced chemical vapor deposition (AP–PECVD) is an innovative technology, which enables the fabrication of silica–based membranes at ambient temperature and pressure. …

    MEMBRANE 44(0), 10-15, 2019


  • Advantages of a slim vertical gas channel at high SiHCl3 concentrations for atmospheric pressure silicon epitaxial growth

    Irikura Kenta , Muroi Mitsuko , Yamada Ayami , Matsuo Miya , Habuka Hitoshi , Ishida Yuuki , Ikeda Shin-Ichi , Hara Shiro

    … Effective process conditions to utilize a slim vertical silicon chemical vapour deposition reactor were studied. … Based on a numerical analysis taking into account the gas flow, heat and species transport, particularly over a wide range of the trichlorosilane gas concentrations from 1% to 40% in ambient hydrogen, a heavy and cold gas was shown to quickly go downward to the hot wafer surface through the slim vertical gas channel. …

    Materials Science in Semiconductor Processing (87), 13-18, 2018-11-15


  • Particles flow dynamics in dental PJD handpiece  [in Japanese]

    YAMAMOTO Hiroki , SASAKI Keiichi , SHIMADA Keita , MIZUTANI Masayoshi , KURIYAGAWA Tsunemoto , SUNOUCHI Takaaki , NISHIMURA Syunsuke , YOSHIOKA Tetsuya , ARAKAWA Tadayoshi , ISHIZAKI Tsutomu , GOTO Toshihito , KONNO Toyohiko J. , IZUMITA Kuniyuki

    … Powder jet deposition (PJD) is a technique to deposit material on the target under atmospheric pressure and room temperature. … Prototype PJD equipment was developed in the previous research, but problems such as unstable and inefficiency jetting of HA were confirmed. …

    The Proceedings of The Manufacturing & Machine Tool Conference 2018.12(0), C23, 2018


  • Study on SiO<sub>2</sub> thin film formation by thermal chemical vapor deposition  [in Japanese]

    Kurihara Kazuhiro , Tanoue Ken-ichiro

    … <p>W We have conducted a deposition experiment of SiO<sub>2</sub> … The effects of deposition temperature, material concentration, operating pressure and O<sub>2</sub> … In the surface reaction controlled region, the film growth rate distribution continuous in the flow direction was evaluated by using a differential reactor, and created Arrhenius plot. …

    The Proceedings of the Thermal Engineering Conference 2018(0), 0003, 2018


  • Influence of Substrate Roughness on Deposition Mechanism of Cold Sprayed Metallic Coatings:(About the Use of the JSME Specification Template File)  [in Japanese]

    GAO Siyuan , ICHIKAWA Yuji , OGAWA Kazuhiro

    … <p>Cold spray is a relatively new coating technology with high productivity, environmental friendliness and low process temperature, in which the solid particle are accelerated and finally impact on to the surface of the substrate. … Through the deformation and the combination of the materials, a coating layer was formed. …

    The Proceedings of Mechanical Engineering Congress, Japan 2018(0), J0440001, 2018



    Stuchlikova The Ha , Remes Zdenek , Fajgar Radek , Kupcik Jaroslav , Micova Julia , Im Chan , Stuchlik Jiri

    … The plasma enhanced chemical vapor deposition (PECVD) was combined with in situ deposition of Sn thin film by evaporation technique at surface temperature about 220°C to form tin nanoparticles (Sn NPs) on the surface of hydrogenated silicon thin films. … Formation of Sn NPs was additionally stimulated by hydrogen plasma treatment through a low pressure hydrogen glow discharge. …

    Grand Renewable Energy proceedings 1(0), 58, 2018



    Stuchlik Jiri , Fajgar Radek , Kupcik Jaroslav , Remes Zdenek , Stuchlikova The Ha , Oswald Jiri , Shklyaev Alexander A. , Volodin Vladimir A.

    … Thin films prepared by deposition of nanoparticles on the surface of hydrogenated silicon were studied with aim to optimize properties for optoelectronic applications. … Two techniques were used to prepare the nanoparticles –ArF Laser Ablation and MBE resp. … Broad range of deposition conditions (e.g. precursor pressure, temperature and laser fluence) was studied. …

    Grand Renewable Energy proceedings 1(0), 59, 2018


  • Influence of operating pressure on horizontal temperature distribution on heated disc in cylindrical flow channel  [in Japanese]

    KAWASAKI Yuhei , TANOUE Ken-ichiro , NISHIMURA Tatsuo

    … In this study, dependence of heat transfer on a heated disc in a cylindrical Hydrogen flow channel on the operating pressure has been investigated experimentally and numerically to understand heat transfer in the chemical vapor deposition reactor. … Temperature on the heated disc was almost at steady state at <i>P</i> … = 0.1 MPa and slightly higher than that at <i>P</i> …

    The Proceedings of the National Symposium on Power and Energy Systems 2018.23(0), B144, 2018


  • Metal-Bonding-Based Hermetic Wafer-Level MEMS Packaging Technology Using In-Plane Feedthrough:—Hermeticity and High Frequency Characteristics of Thick Gold Film Feedthrough—  [in Japanese]

    Moriyama Masaaki , Suzuki Yukio , Totsu Kentaro , Hirano Hideki , Tanaka Shuji

    … Compared with conventional technology based on glass frit bonding, the developed technology is advantageous in terms of smaller width of sealing frames, lower process temperature and smaller amount of degas. … To guarantee the hermetic sealing, the adhesion between the thick Au lines and a SiO<i><sub>x</sub></i> … interlayer by ALD (Atomic Layer Deposition). …

    IEEJ Transactions on Sensors and Micromachines 138(10), 485-494, 2018


Page Top