Study on control of damping characteristics of damping rubber material with composite particles

• Project/Area Number: 16K18041
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Dynamics/Control
• Research Institution: Toyohashi University of Technology
• Principal Investigator: Matsubara Masami 豊橋技術科学大学, 工学(系)研究科(研究院), 助教 (40736427)
• Project Period (FY): 2016-04-01 – 2018-03-31
• Project Status: Completed (Fiscal Year 2017)
• Budget Amount: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000); Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000); Fiscal Year 2016: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
• Keywords: 物性評価 / 微粒子複合化 / 粘弾性材料 / 制振材 / 機械力学・制御 / 構造・機能材料

Outline of Final Research Achievements

It was found that the loss factor of fiber composite greatly changes with the strain amplitude, and the strain amplitude dependence becomes stronger when the strain amplitude direction and the longitudinal direction of fiber particle are close. A dynamic model for fiber composite rubber was constructed. This model assumed that dynamic friction force is proportional to the square of the strain amplitude. The loss factors show good correlation with the recalculated and experimental results; the loss factor can be expressed assuming that the energy dissipation amount owing to the slip is proportional to the square of the strain amplitude.

Research Products

• [Presentation] 微粒子複合化天然ゴムを用いた制振材料の動的粘弾性評価 (2017)
  • Author(s): 松原真己，長谷 朝博，山田 莉香子，浜口 和也，伊勢 智彦，河村 庄造，辻内 伸好，伊藤 彰人
  • Organizer: 日本機械学会Dynamics and Design Conference 2017
• [Presentation] Viscoelastic model for composite materials focused on strain amplitude dependence (2017)
  • Author(s): M. Matsubara, A. Nagatani, R. Yamada, T. Ise, S. Kawamura, N. Tsujiuchi and A. Ito
  • Organizer: The 17th Asia Pacific Vibration Conference
  • Int'l Joint Research
• [Presentation] PET微粒子複合化天然ゴムの減衰特性に対する界面すべりの力学モデル化とX線CTによる直接観察 (2017)
  • Author(s): 松原真己，長谷朝博，寺本真ノ将，山田莉香子，伊勢智彦，河村庄造，辻内伸好，伊藤彰人
  • Organizer: 第9回自動車用途コンポジットシンポジウム講演論文集
• [Presentation] 微粒子複合ゴムの減衰特性に対する配向の影響と複合則の検討 (2017)
  • Author(s): 松原真己，長谷朝博，山田莉香子，伊勢智彦，河村庄造，辻内伸好，伊藤彰人
  • Organizer: ，同志社大学先端複合材料研究センタ―2016年度末研究成果発表会
  • Place of Presentation: 同志社大学京田辺校地
• [Presentation] 微粒子充てん複合ゴムの減衰特性に対する繊維配向の影響 (2016)
  • Author(s): 山田莉香子，松原真己，伊勢智彦，河村庄造，長谷朝博，浜口和也，辻内伸好，伊藤彰人
  • Organizer: 第8回自動車用途コンポジットシンポジウム
  • Place of Presentation: 同志社大学今出川校地
• [Remarks] 豊橋技術科学大学 機械工学系 機械ダイナミクス研究室ホームページ
  • URL: http://pm.hse.tut.ac.jp/
• [Remarks] 豊橋技術科学大学 教員紹介ホームページ
  • URL: https://www.tut.ac.jp/university/faculty/me/751.html