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Viscoelastic model of the shape-memorry glass-like carbon

Research Project

Project/Area Number 24560819
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Inorganic materials/Physical properties
Research InstitutionTokyo Institute of Technology

Principal Investigator

SHINODA Yutaka  東京工業大学, 応用セラミックス研究所, 助教 (30323843)

Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywordsガラス状炭素 / 粘弾性 / 形状記憶 / 高温変形 / 瞬間的弾性回復 / 時間依存粘弾性回復 / グラッシーカーボン
Outline of Final Research Achievements

The compressive deformation tests were conducted in order to obtain the basic data of viscoelastic deformation in the glassy carbon at room temperature and high temperature of 1900 degree Celsius - 2100 degree Celsius using Simadzu survo pulser. The deformation did not depend on the strain rate at room temperature, while the flow stress increased with increasing strain rate at elevated temperatures. The deformation parameters was determined from stress-strain curves. The high resolution TEM observation revealed there was no micro pores in the glassy carbon and the spaces among the layer structures were filled with the amorphous carbon. From these results, the deformation behavior of the glassy carbon was analyzed using three-elements viscoelastic model.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (1 results)

All 2014

All Presentation (1 results)

  • [Presentation] 炭素材料の微細組織と弾性変形挙動2014

    • Author(s)
      篠田 豊
    • Organizer
      日本セラミックス協会秋季シンポジウム
    • Place of Presentation
      鹿児島大学
    • Year and Date
      2014-09-09 – 2014-09-11
    • Related Report
      2014 Annual Research Report

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Published: 2013-05-31   Modified: 2019-07-29  

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