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Preparation of Ti/CFRTP joint strengthened by carbon fiber cloth 碳纤维布增强Ti/CFRTP接头的制备
Journal of Advanced Science Pub Date : 2016-01-01 DOI: 10.2978/JSAS.11001
Hitoki Hasegawa, Shigehito Inui, Kazuma Shiraishi, Sho Ishii, A. Kasai, Y. Matsumura, Y. Nishi
{"title":"Preparation of Ti/CFRTP joint strengthened by carbon fiber cloth","authors":"Hitoki Hasegawa, Shigehito Inui, Kazuma Shiraishi, Sho Ishii, A. Kasai, Y. Matsumura, Y. Nishi","doi":"10.2978/JSAS.11001","DOIUrl":"https://doi.org/10.2978/JSAS.11001","url":null,"abstract":"A Ti/CF/CFRTP joint method was suggested for the carbon fiber reinforced thermoplastic ABS polymer (CFRTP), and titanium (Ti) with extremely large friction force induced by broad interface of carbon fiber cloth. The tensile stress-strain curves of Ti/CF/CFRTP joint prepared by lamination method by ABS plates and CF-cloth sheets were obtained. The maximum tensile strength and its strain in Ti/CF/CFRTP joint were extremely higher than those of Ti/ABS joints prepared by wrap-casting and gluing. Developing the joint improved the safety level of tensile strength.","PeriodicalId":14991,"journal":{"name":"Journal of Advanced Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79697367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Experimental and theoretical investigations of structural and thermoelectric properties of gallium doped ZnO thin films 掺镓ZnO薄膜结构与热电性能的实验与理论研究
Journal of Advanced Science Pub Date : 2016-01-01 DOI: 10.2978/JSAS.11007
S. Morikawa, Tsukasa Kobayashi, M. Takashiri
{"title":"Experimental and theoretical investigations of structural and thermoelectric properties of gallium doped ZnO thin films","authors":"S. Morikawa, Tsukasa Kobayashi, M. Takashiri","doi":"10.2978/JSAS.11007","DOIUrl":"https://doi.org/10.2978/JSAS.11007","url":null,"abstract":"We performed experimental and theoretical investigations of structural and thermoelectric properties of Ga-doped ZnO thin films. We prepared the thin films by a RF magnetron sputtering with various argon gas pressures, followed by thermal annealing at 500°C for 60 min in vacuum condition. We evaluated surface morphology and crystallographic properties as the structural properties of the ZnO thin films. To estimate the thermoelectric properties, we performed Hall measurement and the measurements of electrical conductivity, Seebeck coefficient and power factor. For theoretical analysis, we estimated an energy band structure of ZnO by first-principle calculation (ABINIT) based on density function theory with local density approximation, followed by the calculation of transport properties by BoltzTraP code. As a result, we found that the thin films at 2.0 Pa obtained the highest power factor of 0.73 μW/(cm・K2). Even though the transport properties were exhibited certain differences between the experimental results and the theoretical results, we observed the approximate trend of the transport propeties of ZnO.","PeriodicalId":14991,"journal":{"name":"Journal of Advanced Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76801928","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In-situ evaluation methodology of functional layer for fusion blanket systems 熔敷层系统功能层的原位评价方法
Journal of Advanced Science Pub Date : 2016-01-01 DOI: 10.2978/JSAS.11008
N. Suzuki, Ryousuke Sasaki, R. Toyoda, Y. Matsumura
{"title":"In-situ evaluation methodology of functional layer for fusion blanket systems","authors":"N. Suzuki, Ryousuke Sasaki, R. Toyoda, Y. Matsumura","doi":"10.2978/JSAS.11008","DOIUrl":"https://doi.org/10.2978/JSAS.11008","url":null,"abstract":"","PeriodicalId":14991,"journal":{"name":"Journal of Advanced Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79014239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Development of organic-inorganic hybrid perovskite solar cells 有机-无机杂化钙钛矿太阳能电池的研究进展
Journal of Advanced Science Pub Date : 2016-01-01 DOI: 10.2978/JSAS.13001
C. Yamamoto, Katsunori Maeda, T. Kaneko, M. Isomura, Joel Yamakawa, Y. Kunugi
{"title":"Development of organic-inorganic hybrid perovskite solar cells","authors":"C. Yamamoto, Katsunori Maeda, T. Kaneko, M. Isomura, Joel Yamakawa, Y. Kunugi","doi":"10.2978/JSAS.13001","DOIUrl":"https://doi.org/10.2978/JSAS.13001","url":null,"abstract":"We have investigated effectiveness of electroluminescence (EL) measurement as an estimation method for organic-inorganic perovskite solar cells. EL images of CH 3 NH 3 PbI 3 -based solar cells under a constant voltage of 1 V were obtained. We evaluated a relationship between the current density-voltage (J-V) characteristics of the solar cells and these EL images. It was found that EL intensity from our solar cell has a distribution with respect to the position. Because EL intensity indicates correlation with the power conversion efficiency (PCE) of the solar cell, the distribution of EL intensity results from inhomogeneity of properties of material in the cell. These findings mean that an EL measurement is effective for estimation of perovskite solar cells. Moreover, we confirmed effects of applying a voltage during the EL measurement for the solar cell characteristics. By measuring EL for 15 min, decrease of EL intensity with time and decrease of PCE were observed. During the EL measurement with a constant voltage, the applied current density increased continuously. These findings suggest that the resistance of perovskite layer in the solar cell decreases by applying a voltage.","PeriodicalId":14991,"journal":{"name":"Journal of Advanced Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88070854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Measurement of the negative ions temperature in the hydrogen sheet plasma using an omegatron mass spectrometer contained a function of an ion energy analyzer 利用欧米茄电子质谱仪测量氢片等离子体中的负离子温度，该质谱仪具有离子能量分析仪的功能
Journal of Advanced Science Pub Date : 2016-01-01 DOI: 10.2978/JSAS.11009
Toshikio Takimoto, T. Iijima, Yuta Tanaka, A. Tonegawa, K. Kawamura, Kohnosuke Sato
{"title":"Measurement of the negative ions temperature in the hydrogen sheet plasma using an omegatron mass spectrometer contained a function of an ion energy analyzer","authors":"Toshikio Takimoto, T. Iijima, Yuta Tanaka, A. Tonegawa, K. Kawamura, Kohnosuke Sato","doi":"10.2978/JSAS.11009","DOIUrl":"https://doi.org/10.2978/JSAS.11009","url":null,"abstract":"","PeriodicalId":14991,"journal":{"name":"Journal of Advanced Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83140835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Visualization experiment of gas flow in dry gas seals 干气密封中气体流动的可视化实验
Journal of Advanced Science Pub Date : 2016-01-01 DOI: 10.2978/JSAS.11005
D. Suzuki, Shogo Kodama, M. Ochiai, Y. Sunami, H. Hashimoto
{"title":"Visualization experiment of gas flow in dry gas seals","authors":"D. Suzuki, Shogo Kodama, M. Ochiai, Y. Sunami, H. Hashimoto","doi":"10.2978/JSAS.11005","DOIUrl":"https://doi.org/10.2978/JSAS.11005","url":null,"abstract":"Dry gas seals are widely used for turbomachinery. Recently, they are being required to much further reduce gas leakage from many industries. It has known that sealing characteristics depend strongly on the geometry and dimensions of the grooves on the surfaces. Therefore, we conducted the optimization of groove geometry for improving the sealing characteristics. Moreover, the optimized dry gas seal was made and it was verified the effectiveness. In this study, it is intended that the effect of the groove geometry is verified. Therefore, the experimental apparatus to perform the leakage quantity measurement and visualization experiment was made. Moreover, it was conducted the leakage quantity measurement and visualization experiment of the air lubricating flow.","PeriodicalId":14991,"journal":{"name":"Journal of Advanced Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91506823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Platinum catalyst formed on carbon nanotube by in-liquid plasma method for application to fuel cell 液体等离子体法制备碳纳米管上的铂催化剂，用于燃料电池
Journal of Advanced Science Pub Date : 2016-01-01 DOI: 10.2978/JSAS.11002
Yutaro Ueno, Y. Show
{"title":"Platinum catalyst formed on carbon nanotube by in-liquid plasma method for application to fuel cell","authors":"Yutaro Ueno, Y. Show","doi":"10.2978/JSAS.11002","DOIUrl":"https://doi.org/10.2978/JSAS.11002","url":null,"abstract":"The in-liquid plasma was formed in the CNT dispersion by applying pulse high voltage between the platinum electrodes. The generated plasma spattered the surface of platinum electrodes and dispersed platinum particles in the CNT dispersion. The platinum with the weight of 21 mg was spattered by the applying pulse high voltage for 20 minutes. The spattered platinum particle was supported on the CNT surface. The platinum particles on the CNT were applied to the catalyst of the polymer electrolyte fuel cell. The open voltage of 0.91V and the maximum power of 1.47mW/cm were observed for the fuel cell.","PeriodicalId":14991,"journal":{"name":"Journal of Advanced Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85065664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adhesion by EB-irradiation between Laminated Sheets of Fluororesin and Polyurethan eb辐照下氟树脂与聚氨酯层合板的粘附性
Journal of Advanced Science Pub Date : 2016-01-01 DOI: 10.2978/JSAS.11003
Y. Miyazawa, Masato Uyama, Sho Ishii, Masae Kanda, Y. Nishi
{"title":"Adhesion by EB-irradiation between Laminated Sheets of Fluororesin and Polyurethan","authors":"Y. Miyazawa, Masato Uyama, Sho Ishii, Masae Kanda, Y. Nishi","doi":"10.2978/JSAS.11003","DOIUrl":"https://doi.org/10.2978/JSAS.11003","url":null,"abstract":"Two layer Fluororesin/PU laminated sheets of fluororesin and polyurethane (PU) were prepared by a double-step treatment consisting of applying low dose ≦ 0.65 MGy homogeneous low energy electron beam irradiation (HLEBI) to the 2-layer assembly where the HLEBI penetrates through the fluororesin and PU layers, respectively, prior to hot-press under 5 MPa and 403 K. Although the adhesion of the Fluororesin/PU sheets cannot be observed without the double-step treatment, bonding forces were created as evidenced by the mean adhesive forces of peeling resistance ( o F p ). An increasing trend in o F p occurs by the double-step treatment applying HLEBI up to 0.43 MGy, improving the safety level without radiation damage. When HLEBI cuts the chemical bonds and generates dangling bonds with nonbonding electrons in fluororesin and PU, the created adhesion between the laminated sheets can be explained. Based on surface analysis of the Fluororesin/PU laminated sheets after the peeling tests, fluorine was detected on the PU peeled surface, indicating the strong chemical bonding generated by the double-step treatment.","PeriodicalId":14991,"journal":{"name":"Journal of Advanced Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79600675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of ion bombardment in DC magnetron sputtering DC 离子轰击在直流磁控溅射中的应用
Journal of Advanced Science Pub Date : 2015-01-01 DOI: 10.2978/JSAS.27.1
R. Toyoda, S. Miyata, Y. Matsumura, T. Iijima, A. Tonegawa, M. Takeuchi
{"title":"Evaluation of ion bombardment in DC magnetron sputtering DC","authors":"R. Toyoda, S. Miyata, Y. Matsumura, T. Iijima, A. Tonegawa, M. Takeuchi","doi":"10.2978/JSAS.27.1","DOIUrl":"https://doi.org/10.2978/JSAS.27.1","url":null,"abstract":"Momentum of ion bombardment in sputtering deposition process, which strongly depends on internal stress of thin film, has been evaluated regarding to a new parameter P i we previously proposed for fine-tuning of mechanical, optical, electrical and magnetic properties. In this study, we demonstrate to estimate the P i defined as ( i / a ) p , where i the ion flux, a the atom flux and p the ion’s momentum, by means of Langmuir probe and multi-grid analyzer in a function of negative bias voltage applied on substrates V sub . As a result, it was found that the P i was roughly proportional to V sub except on lower voltage than 30 V. This indicates that the P i should be measured plasma-diagnostically under incident ion energy as low as plasma potential.","PeriodicalId":14991,"journal":{"name":"Journal of Advanced Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87571005","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Calibration of infrared video-oculography by using bioadhesive phosphorescent particles for accurate measurement of vestibulo-ocular reflex in mice 利用生物黏附磷光粒子对小鼠前庭眼反射进行红外视频眼成像校正
Journal of Advanced Science Pub Date : 2015-01-01 DOI: 10.2978/JSAS.27.11
Akira Katoh, T. Hatanaka, Eri Takeuchi, M. Uchida, H. Natsume
{"title":"Calibration of infrared video-oculography by using bioadhesive phosphorescent particles for accurate measurement of vestibulo-ocular reflex in mice","authors":"Akira Katoh, T. Hatanaka, Eri Takeuchi, M. Uchida, H. Natsume","doi":"10.2978/JSAS.27.11","DOIUrl":"https://doi.org/10.2978/JSAS.27.11","url":null,"abstract":"Akira KATOH, Tomomi HATANAKA, Eri TAKEUCHI, Masaki UCHIDA and Hideshi NATSUME 1 Institute of Innovative Science and Technology, Tokai University, 4-1-1 Kitakaname, Hiratsuka, Kanagawa 259-1292, Japan TEL: x81-463-58-1211(EX.5627) FAX: x81-463-50-2478 e-mail: akiraka@tokai-u.jp 2 School of Medicine, Tokai University, 143 Shimokasuya, Isehara, Kanagawa 259-1193, Japan 3 Faculty of Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan (Received 8 December, 2015 Accepted 16 December, 2015)","PeriodicalId":14991,"journal":{"name":"Journal of Advanced Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85910156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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