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Deuterium Retention and Physical Sputtering of Low Activation Ferritic Steel

Plasma Science and technology 2005年第2期7卷 2737-2740页

作者： t.hino K.Yamaguchi Y.Yamauchi Y.Hirohata K.tsuzuki Y.Kusama Department of Nuclear Engineering Hokkaido University Sapporo060-8628 JapanDepartment of Nuclear Engineering Hokkaido UniversitySapporo060-8628 JapanDepartment of Nuclear Engineering Hokkaido UniversitySapporo060-8628 JapanDepartment of Nuclear Engineering Hokkaido UniversitySapporo060-8628 JapanJapan Atomic Energy Research Institute NakaIbaraki-ken311-0193 JapanJapan Atomic Energy Research Institute NakaIbaraki-ken311-0193 Japan

Low activation materials have to be developed toward fusion demonstrationreactors. Ferritic steel, vanadium alloy and SiC/SiC composite are candidate materials of the firstwall, vacuum vessel and blanket components, respectively. Although changes of mechanical-thermalproperties owing to neutron irradiation have been investigated so far, there is little data for theplasma material interactions, such as fuel hydrogen retention and erosion. In the present study,deuterium retention and physical sputtering of low activation ferritic steel, F82H, wereinvestigated by using deuterium ion irradiation apparatus. After a ferritic steel sample wasirradiated by 1.7 keV D^+ ions, the weight loss was measured to obtain the physical sputteringyield. the sputtering yield was 0.04, comparable to that of stainless steel. In order to obtain theretained amount of deuterium, technique of thermal desorption spectroscopy (tDS) was employed to theirradiated sample. the retained deuterium desorbed at temperature ranging from 450 K to 700 K, inthe forms of DHO, D_2, D_2O and hydrocarbons. Hence, the deuterium retained can be reduced by bakingwith a relatively low temperature. the fluence dependence of retained amount of deuterium wasmeasured by changing the ion fluence. In the ferritic steel without mechanical polish, the retainedamount was large even when the fluence was low. In such a case, a large amount of deuterium wastrapped in the surface oxide layer containing O and C. When the fluence was large, the thickness ofsurface oxide layer was reduced by the ion sputtering, and then the retained amount in the oxidelayer decreased. In the case of a high fluence, the retained amount of deuterium became comparableto that of ferritic steel with mechanical polish or SS 316 L, and one order of magnitude smallerthan that of graphite. When the ferritic steel is used, it is required to remove the surface oxidelayer for reduction of fuel hydrogen retention. Ferritic steel sample was exposed to the envi

关键词： ferritic steel fuel hydrogen retention sputtering yield first wall fusionreactor

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热处理对V-4ti合金氦的滞留与热解吸行为的影响

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核工业西南物理研究院年报 2004年第1期 78-79页

作者：刘翔 t．Yamada t．hino 不详 Hokkaldo University Japan

钒合金由于其低中子诱导的放射性和良好的高温性能被认为是未来聚变堆很有希望的第一壁和结构材料。因为氦可以通过放电清洗和中子嬗变产生，氦的滞留与热释放行为将是钒合金在聚变堆应用的重要课题。***领导的研究小组用1keV的氦离子... 详细信息

钒合金由于其低中子诱导的放射性和良好的高温性能被认为是未来聚变堆很有希望的第一壁和结构材料。因为氦可以通过放电清洗和中子嬗变产生，氦的滞留与热释放行为将是钒合金在聚变堆应用的重要课题。***领导的研究小组用1keV的氦离子注入到10^13-10^14He／cm^2的剂量研究了钒合金的氦俘获和热解吸机理以及预退火处理的影响。两群热解吸峰被发现，他们认为一个对应于氦，空位一杂质链，另一个对应于氦，带有钒合金原有的缺陷，如细小的析出物所俘获。既然钒合金原有的缺陷与退火处理有关，热处理对氦在钒合金中的滞留的影响是可以预期的，并且已被实验所证实。

关键词：钒合金热解吸谱热处理低中子诱导放射性高温性聚变堆

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Ct显示牵拉性支气管扩张/细支气管扩张与临床结局和死亡率的关系：COPDGene研究

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国际医学放射学杂志 2022年第6期45卷 732-733页

作者： A.Hata t.hino R.K.Putman M.Yanagawa t.Hida A.A.Menon 王明月

摘要肺间质异常（ILA）对临床预后不良的影响已有许多研究，但 ILA 的危险分层将更有助于临床实践。目的利用COPDGene 队列，研究 ILA 病人牵拉性支气管扩张/细支气管

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Progress in Physics and technology Developments for the Modification of Jt-60

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Plasma Science and technology 2004年第1期6卷 2141-2150页

作者： H.tamai M.Matsukawa G.Kurita N.Hayashi K.Urata Y.M.Miura K.Kizu K.tsuchiya A.Morioka Y.Kudo S.Sakurai K.Masaki t.Suzuki M.takechi Y.Kamada A.Sakasai S.Ishida K.Abe A.Ando t.Cho t.Fujii t.Fujita S.Goto K.Hananda A.Hatayama t.hino H.Horiike N.Hosogane M.Ichimura tsuji-Iio S.Itoh M.Katsurai M.Kikuchi A.Kohyama H.Kubo M.Kuriyama M.Matsuoka Y.Miura N.Miya t.Mizuuchi K.Nagasaki H.Ninomiya N.Nishino Y.Ogawa K.Okano t.Ozeki M.Saigusa M.Sakamoto M.Satoh M.Shimada R.Shimada M.Shimizu t.takagi Y.takase t.tanabe K.toi Y.Ueda Y.Uesugi K.Ushigusa Y.Yagi t.Yamamoto K.Yatsu K.Yoshikawa Japan Atomic Energy Research Institute Naka Ibarahi 311-0193 Japan tohoku University University of tsukuba Osaka University Kyushu University Keio University Hokkaido University tokyo Institute of technology the University of tokyo Kyoto University Mie University Hiroshima University Central research Institute of Electric Power Industry Ibaraki University ItER JCt Nagoya University National Institute for Fusion Science Kanazawa University National Institute of Advanced Industrial Science and technology

Recent progress in the physics and engineering design study for themodification programme of Jt-60 is presented. In order to achieve a steady state high-βplasmaoperation, which is the dominant issue of this programme, physics design for the MHD control and thestability analysis is investigated. Engineering design and the R & D for the superconducting coils,irradiation shield are performed well towards the mission of programme.

关键词： modification of Jt-60 physics design technology developments

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ENVIRONMENtAL FRIENDLY ANODIZING ON AZ91D MAGNESIUM ALLOYS AND COAtING CHARACtERIStICS

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Acta Metallurgica Sinica(English Letters) 2005年第3期18卷 411-415页

作者： A. Saijo M. hino M. Hiramatsu t. Kanadani Hori Metal Finishing Industry Co. Ltd. Abe Ochiai-cho Takahashi-shi Okayama 716-0061 Japan Industrial Technology Research Institute of Okayama Prefecture Haga Okayama-sh i Okayama 701-1296 Japan Industrial Technology Research Institute of Okayama Prefecture Haga Okayama-sh i Okayama 701-1296 Japan Graduate School of Okayama University of Science Ridai-cho Okayama-shi Okayam a 700-0005 Japan

An environmental friendly anodizing treatment (Anomag) from a phosphate-based so lution without heavy metals on AZ91D magnesium alloy was studied. the characteri stics of the coatings, such as structure, composition and corrosion resistance w ere investigated. the effects of this anodizing treatment on the mechanical prop erties were examined. X-ray diffraction (XRD) analysis revealed that the structu re of the coatings is amorphous or glassy. In salt spray tests coatings with an average thickness of 10μm had an anticorrosive performance of over 1000 hours. Fatigue tests revealed that anodizing onto AZ91D magnesium alloy does not affect the fatigue strength. these results demonstrate the utility of this anodizing t reatment on magnesium alloy for application as a structural material, such as in the automotive field.

关键词： magnesium alloy anodizing environmental friendliness

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ELECtROPLAtED Zn-Ni-SiO_(2) COMPOSItE COAtINGS tREAtED WItH A SILANE COUPLING AGENt tO REPLACE CHROMAtING

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Acta Metallurgica Sinica(English Letters) 2005年第3期18卷 416-422页

作者： M.hino M.Hiramatsu K.Murakami A.Saijo t.Kanadani Industrial technology Research Institute of Okayama Prefecture HagaOkayama-sh iOkayama 701-1296Japan Hori Metal Finishing Industry Co. Ltd.AbeOchiai-choTakahashi-shiOkayama 716-0061Japan Graduate School of Okayama University of Science Ridai-choOkayama-shiOkayam a 700-0005Japan

the fixing of a silane coupling agent to Zn-Ni-silica(SiO_(2))composite coatings was studied for the purpose of developing a coating process as an alternative to *** corrosion resistance of Zn-Ni-silica composite coatings was rem arkably improved by the silica nanoparticles in the composite,which were disper sed in the surface of this *** silane coupling agent formed chemical bonds with the inorganic silica particles during the silane coupling treatment on the se composite *** treatment suppressed the formation of white corrosion products to the same extent as chromating,as measured in salt spray *** is concluded that treating Zn-Ni-silica composite coatings with silane coupling agents is a viable alternative technique to chromating.

关键词： electrodeposition Zn-Ni-SiO_(2)composite coating silane coupling reatment chrome-free environmental friendlines

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Comparative study of MPS method and level-set method for sloshing flows

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Journal of Hydrodynamics 2014年第4期26卷 577-585页

作者：张雨新万德成 hino takanori State Key laboratory of Ocean Engineering School of Naval Architecture Ocean and Civil Engineering Shanghai Jiao tong University Graduate school of Engineering Yokohama National University

this paper presents a comparative study of a meshless level-set method in the simulation of sloshing flows. the numerical moving particle semi-implicit （MPS） method and a grid based schemes of the MPS and level-set methods are outlined and two violent sloshing cases are considered. the computed results are compared with the corresponding experimental data for validation. the impact pressure and the deformations of free surface induced by sloshing are comparatively analyzed, and are in good agreement with experimental ones. Results show that both the MPS and level-set methods are good tools for simulation of violent sloshing flows. However, the second pressure peaks as well as breaking and splashing of free surface by the MPS method are captured better than by the level-set method.

关键词： moving particle semi-implicit (MPS) method level-set method liquid sloshing impact pressure free surface

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Automated stopping criterion for spectral measurements with active learning

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npj Computational Materials 2021年第1期7卷 1252-1260页

作者： tetsuro Ueno Hideaki Ishibashi Hideitsu hino Kanta Ono Synchrotron Radiation Research Center Kansai Photon Science InstituteQuantum Beam Science Research DirectorateNational Institutes for Quantum and Radiological Science and TechnologySayoHyogoJapan Department of Human Intelligence Systems Graduate School of Life Science and Systems EngineeringKyushu Institute of TechnologyKitakyushuFukuokaJapan the Institute of Statistical Mathematics Research Organization of Information and SystemsTachikawaTokyoJapan Department of Applied Physics Graduate School of EngineeringOsaka UniversitySuitaOsakaJapan Center for Integrative Quantum Beam Science Institute of Materials Structure ScienceHigh Energy Accelerator Research OrganizationTsukubaIbarakiJapan

the automated stopping of a spectral measurement with active learning is *** optimal stopping of the measurement is realised with a stopping criterion based on the upper bound of the posterior average of the generalisation error of the Gaussian process *** is revealed that the automated stopping criterion of the spectral measurement gives an approximated X-ray absorption spectrum with sufficient accuracy and reduced data *** proposed method is not only a proof-of-concept of the optimal stopping problem in active learning but also the key to enhancing the efficiency of spectral measurements for highthroughput experiments in the era of materials informatics.

关键词： criterion spectral optimal

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Autothermal reforming of biogas over a monolithic catalyst

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Journal of Natural Gas Chemistry 2010年第5期19卷 477-481页

作者： Sadao Araki Naoe hino takuma Mori Susumu Hikazudani Hitachi Zosen Corporation Business & Product Development HeadquartersTechnical Research Institute

this study focused on measurement of the autothermal reforming of biogas over a Ni based monolithic catalyst. the effects of the steam/CH4 （S/C） ratio, O2/CH4 （O2/C） ratio and temperature were investigated. the CH4 conversions were higher under all examined temperatures than the equilibrium conversion calculated using the blank outlet temperature, because the catalyst layer was heated by the exothermic catalytic partial oxidation reaction. the CH 4conversion increased with increasing O2/C ratio. Moreover, the CH4 conversion was higher than the equilibrium conversion calculated using the blank outlet temperature for O2/C〉0.42 and reached about 100% at O2/C=0.55. However, the hydrogen concentration decreased for O2/C〉0.45 because hydrogen was combusted to steam in the presence of excess oxygen. On the other hand, the hydrogen and CO2 concentrations increased and the CO concentration decreased with increasing SIC ratio. As a result, it was found that the highest hydrogen concentrations and CH4 conversions were attained at the O2/C ratios of 0.45-0.55 and the SIC ratios of 1.5-2.5. Moreover, the H2/CO ratio could also be controlled in the range from about 2 to 3.5 to give at least 90% CH4 conversion, by regulating the O2/C or S/C ratios.

关键词： autothermal reforming biogas hydrogen production monolithic catalyst Ni based catalyst

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Chemical Composition Control of Non-Metallic Inclusions in High Alloy Steel Production Process

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Journal of Iron and Steel Research International 2011年第S2期18卷 275-282页

作者： Naoya SAtOH takahiro MIKI Mitsutaka hino Department of Metallurgy Graduate School of Engineering Tohoku University now Yasuki Works Hitachi Metal Corporation Department of Metallurgy Graduate School of Engineering Tohoku University Professor Emeritus Tohoku University now Hokkaido Polytechnic College 3-130 Zenibako Otaru Hokkaido 047-0292 Japan

there is a close relation between the characteristics of products and the chemical composition control of inclusions in steelmaking process. therefore, it is very important for a warranty of product’s characteristics to improve inclusion quality resulting in defective products. In the present work, the control technique of inclusions’ chemical composition is discussed thermodynamically based on the Redlich-Kister type polynomial to metallic solution and regular solution model to molten oxide solution. It is very effective for the precise chemical composition control of oxides to determine the concentration of deoxidizers based on the thermodynamic relation among dissolved deoxidizers and oxygen, because it is known that oxide inclusions are equilibrated with them in molten steel in the steel making process. High alloy steel production process was focused in the present work.

关键词： high alloy steel non-metallic inclusion deoxidation equilibrium redlich-Kister type polynomial regular solution model

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