関西大学　システム理工学部　機械工学科　機械設計研究室　メカトロニクス研究グループ

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主要業績

  • Shinji Koganezawa; Tomotake Ishii; Hiroshi Tani; Renguo Lu; Norio Tagawa, Magnetostrictive vibration sensor for a self- powered structural health monitoring system 学術雑誌 共著 JSME Journal of Advanced Mechanical Design Vol. 16, No. 1
  • Hiroshi Tani;Norio Tagawa;Shouhei Kawada;Renguo Lu;Shinji Koganezawa, Young’s Modulus of Fatty Acid Adsorption Films on Si Surface Measured Using Ar Gas Cluster Ion Beams 学術雑誌 共著 Tribology Online Vol.17, No.2,2022, pp.110-117.
  • Hiroshi Tani;Renguo Lu;Shinji Koganezawa;Norio Tagawa, Effective Elastic Moduli of Magnetic Disks with Molecularly Thin Liquid Lubricant Films Determined using Ar-Gas Cluster Ion Beam 学術雑誌 共著 Tribology Online Vol.17, No.1, 2022, pp.32-43.
  • Hiroshi Tani; Yuki Izutani; Renguo Lu; Shinji Koganezawa; Norio Tagawa, Electric Field Effect on Friction Coefficient of Diamond Like Carbon Film Heated by Laser Irradiation, Tribology Letters Vol.69, No.103.
  • Hiroshi Tani; Renguo Lu; Shinji Koganezawa; Norio Tagawa, Evaluating the Elastic Moduli of Ultra-Thin Liquid Perfluoropolyether Lubricant Films on Diamond-Like Carbon Films Using Ar-Gas Cluster Ion Beams, Tribology Online Vol.16, No.4, 2021, pp.309-316.
  • Norio Tagawa;Hiroshi Tani;Shinji Koganezawa;Renguo Lu Experimental study on smear characteristics upon laser heating in air and helium in heat-assisted magnetic recording 学術雑誌 共著 IEEE Transactions on Magnetics
  • H. Tani;R. Naito;R. Lu;S. Koganezawa;N. Tagawa Low Friction of Diamond-Like Carbon Film Due to Liquid Hydrocarbon Generated by Laser Heating in an Nitrogen Gas Environment 学術雑誌 共著 Tribology Letters
  • Hiroshi Tani;Mutsuki Sugimoto;Kazuhisa Fushihara;Yukio Nakano;Renguo Lu;Shinji Koganezawa;Norio Tagawa Harvesting Energy Using Triboelectric Nanogenerator Mounted inside Rolling Tire 学術雑誌 共著 Sensors and Materials
  • Kenji Yakata;Satoki Ichikawa;Hiroshi Tani;Renguo Lu;Shinji Koganezawa;Norio Tagawa Smear and Decomposition Mechanism of Magnetic Disk PFPE Lubricant Film by Laser Heating in Air and Helium Conditions 学術雑誌 共著 Tribology Online Vol. 15、No.3, pp. 186-193
  • S Koganezawa, S Tsuda, H Tani, R Lu. N Tagawa, “Numerical study on the effects of linear protrusion on flow-induced carriage excitation force in hard disk drives,” Springer Microsystem Technologies, DOI : 10.1007/s00542-019-04398-z, (On-line first) http://link.springer.com/article/10.1007/s00542-019-04398-z.
  • 小金沢新治『振動発電装置』特願2019-083757, (2019年)
  • Hiroshi Tani;Yuta Shibahara;Renguo Lu;Shinji Koganezawa;Norio Tagawa,"TOF-SIMS analysis of perfluoropolyether lubricant smear transferred from disk surface following laser heating" Microsystem Technologies Vol.26, No.1
  • Norio Tagawa，Hiroshi Tani，Shinji Koganezawa，and Renguo Lu，Effect of laser heating on nanoscale wear of DLC thin films in an air environment，共著，Microsystem Technologies，published online:02 April 2018，DOI 10.1007/s00542-018-3875-5
  • Renguo Lu, Sora Shiode, Hiroshi Tani, Norio Tagawa, Shinji Koganezawa，A Study on the Tribofilm Growth and Tribological Properties of Tribofilms Formed from Zinc Dialkyl Dithiophosphate (ZDDP) and Molybdenum Dialkyl Dithiocarbamate (MoDTC), Tribology Online, 13 (2018) 157-165, https://doi.org/10.2474/trol.13.157
  • Norio Tagawa，Hiroshi Tani，Shinji Koganezawa，and Renguo Lu，Effect of laser heating on nanoscale wear of DLC thin films in an air environment，共著，Microsystem Technologies，Vol.24，No.11，2018，pp.4605-4611
  • Hiroshi Tani, Yuta Shibahara, Renguo Lu, Shinji Koganezawa, Norio Tagawa, Structural Changes of Perfluoropolyether Lubricant Accumulated on the Pin Surface During Laser Heating, IEEE Transactions on Magnetics, Vol. 54, No. 11, 2018, 3300505
  • Hiroshi Tani, Yuki Uesaraie, Renguo Lu, Shinji Koganezawa, Norio Tagawa, Smear growth on head slider surface from siloxane outgas on heat assisted magnetic recording, Microsystem Technologies, Vol. 24, No. 11, 2018, pp 4641–4648
  • 谷 弘詞, 沖塩 大樹, 呂 仁国, 小金沢 新治, 多川 則男, 摩擦帯電センサによる転がり軸受の回転速度と温度のモニタ, トライボロジスト，Vol. 63，No. 6, 2018, pp. 426-433
  • Shinji Koganezawa, Shotaro Tsuda, Hiroshi Tani, Renguo Lu, and Norio Tagawa, “Frequency Analysis of Disturbance Torque Exerted on a Carriage Arm in Hard Disk Drives Using Hilbert–Huang Transform,” IEEE Trans. Mag., Vol.54, No.11.2018, 3100906, DOI: 10.1109/TMAG.2018.2835839
  • Shinji Koganezawa, Yuta Katsuta, Renguo Lu, Hiroshi Tani, Norio Tagawa, “Device for direct measurement of dynamic viscoelastic properties of solid-state materials at frequencies higher than 1 kHz,” Rheologica Acta, May 2017, Volume 56, Issue 5, pp. 477–486, DOI:10.1007/s00397-017-1010-7
  • Norio Tagawa，Hiroshi Tani，Shinji Koganezawa，and Renguo Lu，Friction characteristics of ultrathin perfluoropolyether boundary lubricant films subjected to laser irradiation heating in heat-assisted magnetic recording，IEEE Trans. on Magn., DOI 10.1109/TMAG.2017.2697478, 2017
  • Hiroshi Tani, Renguo Lu, Shinji Koganezawa, Norio Tagawa, Adsorption Properties of an Ultrathin PFPE Lubricant with Ionic End-groups for DLC Surfaces, IEEE Trans. on Magn., DOI 10.1109/TMAG.2017.2724038, 2017
  • 小金沢 新治，津田 翔太朗，谷 弘詞，呂 仁国，多川 則 男、ヒルベルト-ファン変換を用いたHDD内部流れの周波 数解析、日本機械学会IIP2018、1C14、 2018.3.14-15、川越
  • 津田 翔太郎，小金沢 新治，谷 弘詞，呂 仁国，多川 則 男、線状突起を設けた磁気ヘッドアクチュエータにおける 流体加振力の数値解析、日本機械学会IIP2018、1C15、2018.3.14-15、川越
  • 勝田 佑太，小金沢 新治，谷 弘詞，呂 仁国，多川 則男、高周波粘弾性の直接測定法に関する研究、日本機械学会IIP2018、2B03、2018.3.14-15、川越
  • 小型環境発電機を開発、日刊工業新聞、2018年2月22日
  • H. Tani, S. Koganezawa, N. Tagawa, Reduction in lubricant pickup by bias voltage between slider and disk surfaces，共著， Microsystem Technologies, vol.22，2016.05，DOI 10.1007/s00542-016-2814-6, pp.1221-1225
  • H. Tani, Y. Sakane, S. Koganezawa，N. Tagawa, Improvement in Heat Resistance of Perfluoropolyether Lubricant Films on Magnetic Disks by UV Irradiation with a Bias Voltage on the Disk Surface, Tribol Lett, vol. 62, 2016, pp. 21, 1-11.
  • H. Tani, S. Koganezawa, N. Tagawa, Diamagnetic Oil Seal for Pivot Bearing of Hard Disk Drives, IEEE Trans. Magn., vol. 52, no. 7, 2016, pp. 3301004, 1-4.
  • Hiroshi Tani, Renguo Lu, Shinji Koganezawa, and Norio Tagawa，Ultrathin PFPE/DLC Hybrid Overcoat for Magnetic Disks by Photoelectron-Assisted Chemical Vapor Deposition，共著，IEEE Transactions on Magnetics，2017.3，VOL.53, NO.3, 3300906
  • Norio Tagawa, Hiroshi Tani, Hiroaki Asada, Renguo Lu and Shinji Koganezawa，Decomposition of Perfluoropolyether Lubricant on Air-Bearing Surfaces During Heat-Assisted Magnetic Recording，共著，IEEE Transactions on Magnetics，2017.3，VOL.53, NO.3,3301505
  • Renguo Lu, Shigeyuki Mori, Hiroshi Tani, Norio Tagawa, Shinji Koganezawa, Low friction properties of associated carboxylic acids induced by molecular orientation, Tribology International, 2016, http://dx.doi.org/10.1016/j.triboint.2016.10.042
  • Shinji Koganezawa，Hiroshi Tani，Norio Tagawa,，Separated pivot-shaft actuator for small skew angle in hard disk drives，共著，Springer Microsystem Technologies，2015.04，DOI: 10. 1007 / s00542-015-2516-5
  • Norio Tagawa，Hiroshi Tani，and Shinji Koganezawa，Degradation of Lubricant Film and Carbon Overcoat Subjected to Laser Heating in an Inert Gas Environment in Thermally Assisted Magnetic Recording，共著，IEEE Trans.MAGNETICS, 2015.04，VOL. 51. NO.4, 3300105
  • 谷弘詞，小金沢新治，多川則男，超薄膜PFPE 潤滑膜の摩擦特性の温度依存性，共著，トライボロジスト，2015.04，第60巻 第8号，pp.538-548
  • Renguo Lu, Hidetaka Nanao, Koji Takiwatari, Shigeyuki Mori, Yoshinori Fukushima, Youichi Murakami, Shozo Ikejima and Tadaaki Konno, The Effect of the Chemical Structures of Synthetic Hydrocarbon Oils on Their Tribochemical Decomposition, Tribology Letters, DOI　10.1007/s11249-015-0606-2,　November 2015, 60:27
  • H. Tani, S. Koganezawa, N. Tagawa, Thermal behavior of frictional properties on ultra-thin perfluoropolyether lubricant film, Tribology Online, VOL. 11, 2016, pp. 1-12. (査読なし)
  • H. Tani, S. Koganezawa, N. Tagawa, Reduction in lubricant pickup by bias voltage between slider and disk surfaces, Microsystem Technologies, DOI 10.1007/s00542-016-2814-6, 2016. pp. 1-5.
  • H. Tani, Y. Sakane, S. KoganezawaN. Tagawa, Improvement in Heat Resistance of Perfluoropolyether Lubricant Films on Magnetic Disks by UV Irradiation with a Bias Voltage on the Disk Surface, Tribology letters, DOI10.1007/s11249-016-0668-9, 2016, pp. 1-11.
  • H. Tani, S. KoganezawaN. Tagawa , Diamagnetic Oil Seal for Pivot Bearing of Hard Disk Drives, IEEE Trans. on Magn., DOI: 10.1109/TMAG.2015.2511740, 2016, pp. 1-4.
  • Shinji Koganezawa, Tetsuki Yamamoto, Hiroshi Tani, and Norio Tagawa, Numerical and Experimental Study on Disk Flutter Reduction Using Disk-Spacer Dampers in Hard Disk Drives, IEEE Transactions on Magnetics, Vol.50, No.11, 3101604, November 2014
  • Shinji Koganezawa, Analytical parametric study of head-mounting block for reduction in spring-back deformation after ball swaging in hard disk drives, Microsyst Technol, DOI: 10.1007/s00542-014-2365-7, November 2014, Published online
  • Shinji Koganezawa, Hirofumi Sano, Hiroshi Tani, Norio Tagawa, Reduction in secondary- actuator displacement in dual-stage actuator system by imparting rotational stiffness in hard disk drives, Microsyst Technol,DOI:10.1007/s00542-014-2368-4, November 2014, Published online
  • Hiroshi Tani, Hideyuki Takahashi, Shinji Koganezawa, Norio Tagawa, Tribological Properties of Ultrathin DLC-Coated Nanotextured Surface on a PET Film, Trobol. Lett, vol.54, No.3, Dol 10.1007/s11249-013-0218-7 pp.221-227, March 2014
  • Norio Tagawa, Hiroshi Tani, Shinji Koganezawa, Degradation of Carbon Overcoat Subjected to Laser Heating in an Inert Gas Environment in Thermally Assisted Magnetic Recording, IEEE Transactions on Magnetics, VOL.50, NO.11 , 3302404, November 2014
  • Hiroshi Tani, Yasuo Sakane, Shinji Koganezawa, Norio Tagawa, External Electric Field Assisted Ultraviolet Irradiation for Bonding of Lubricant Film on Magnetic Disks, IEEE Transactions on Magnetics, VOL.50, NO.11 , 3302604, November 2014
  • Hiroshi Tani, Shinji Koganezawa, and Norio Tagawa, Drag Reduction of Laminar Airflow in Circular Pipe With Magnetic Field, IEEE TRANSACTIONS ON MAGNETICS, Vol. 49, No. 7, 2013, p3468-3471
  • Hiroshi Tani, Hideyuki Takahashi, Shinji Koganezawa, Norio Tagawa, Tribological Properties of Ultrathin DLC-Coated Nanotextured Surface on a PET Film, Tribol Lett, 01 October 2013, Published online: DOI 10.1007/s11249-013-0218-7.
  • Shinji Koganezawa, Analysis of spring-back deformation of head-mounting-block after ball-swaging in hard disk drives, Springer, Microsyst. Technol, DOI 10.1007/s00542-013-2047-x
  • Nagayoshi Kobayashi, Hiroshi Tani, Tsuyoshi Shimizu, Shinji Koganezawa, Norio Tagawa, Slider Wear on Disks Lubricated by Ultra-Thin Perfluoropolyether Lubricants with Different Molecular Weights, Tribol Lett, October 2013, Published online: DOI 10.1007/s11249-013-0242-7
  • Nagayoshi Kobayashi, Hiroshi Tani, Tsuyoshi Shimizu, Shinji Koganezawa, Norio Tagawa, Slider Wear on Disks Lubricated by Ultra-Thin Perfluoropolyether Lubricants with Different Molecular Weights, Tribol Lett, Vol.53 No1, January 2014, p43~49