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Establishment of fatigue life prediction method of the Ag-epoxy conductive adhesive

Research Project

Project/Area Number 23560846
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Structural/Functional materials
Research InstitutionShibaura Institute of Technology

Principal Investigator

KARIYA Yoshiharu  芝浦工業大学, 工学部, 教授 (60354130)

Project Period (FY) 2011 – 2013
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2011: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsマイクロ接合 / 低サイクル疲労 / 導電性接着剤 / 電子実装 / 接着剤 / 粘弾性 / 熱疲労 / 信頼性解析
Research Abstract

In this study, a time-dependent static and cyclic mechanical behavior of Ag-epoxy conductive adhesive was investigated. The time-dependent static and cyclic mechanical behavior can be reproduced by the generalization Maxwell model which was determined by stress relaxation test. Furthermore, fatigue life of the Ag-epoxy conductive adhesive can be estimated by visco-elastic energy that is calculated by FEM analysis.
In addition, the anisotropic viscoelasticity of the Ag-epoxy conductive adhesive was investigated using computational material testing using micro-scale FEM model. Anisotropy appears in the viscoelasticity of the Ag-epoxy conductive adhesive under the influence of Ag filler orientation. The anisotropic viscoelasticity of the Ag-epoxy conductive adhesive is reproduced by the constitutive equation which combined an orthotropic elasticity and a generalization Maxwell model.

Report

(4 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (12 results)

All 2013 2012 2011 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (8 results)

  • [Journal Article] Mechanical Behavior of Sintered Nano-sized Ag Particles2013

    • Author(s)
      Y. KARIYA, H. YAMAGUCHI,M. ITAKO N. Mizumura and K. Sasaki
    • Journal Title

      Journal of Smart Processing

      Volume: Vol. 2, No. 4 Pages: 164-169

    • NAID

      10031188153

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] Mechanical Behavior of Sintered Nano-sized Ag Particles2013

    • Author(s)
      Y.KARIYA, H. YAMAGUCHI, M. ITAKO, N. Mizumura, K. Sasaki
    • Journal Title

      スマートプロセス学会誌

      Volume: 2 Pages: 160-165

    • NAID

      10031188153

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Ag-エポキシ系導電性接着剤の粘弾性挙動と低サイクル疲労寿命解析2012

    • Author(s)
      苅谷義治,古澤弘充,神田喜彦
    • Journal Title

      電子情報通信学会論文誌C

      Volume: 95.11 Pages: 358-364

    • NAID

      110009543937

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] Ag-エポキシ系導電性接着剤の粘弾性挙動と低サイクル疲労寿命解析2012

    • Author(s)
      苅谷義治,古澤弘充,神田喜彦
    • Journal Title

      電子情報通信学会論文誌 C

      Volume: J95-C Pages: 358-364

    • NAID

      110009543937

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Presentation] ミクロスケール数値材料試験によるAg-epoxy系導電性接着剤の力学挙動解析2013

    • Author(s)
      福嶋英恵,島田宏地,苅谷義治
    • Organizer
      第19回「エレクトロニクスにおけるマイクロ接合・実装技術」シンポジウム
    • Place of Presentation
      パシフィコ横浜
    • Related Report
      2012 Research-status Report
  • [Presentation] ミクロスケール解析によるAg-Epoxy系導電性接着剤の数値材料試験の検討2012

    • Author(s)
      福嶋英恵,島田宏地,苅谷義治
    • Organizer
      日本金属学会秋期講演大会
    • Place of Presentation
      愛媛大学
    • Year and Date
      2012-09-19
    • Related Report
      2013 Final Research Report
  • [Presentation] Ag-Epoxy系導電性接着剤の粘弾性挙動解析および低サイクル疲労寿命予測2012

    • Author(s)
      福嶋英恵,古澤弘充,森田亮一,苅谷義治
    • Organizer
      エレクトロニクス実装学会春季講演大会
    • Place of Presentation
      中央大学
    • Year and Date
      2012-03-07
    • Related Report
      2013 Final Research Report
  • [Presentation] ミクロスケールFEM解析によるAg-Epoxy導電性接着剤の力学特性解析2012

    • Author(s)
      福嶋英恵,古澤弘充,森田亮一,苅谷義治
    • Organizer
      Symposium on Microjoining and Assembly Technology in Electronics
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2012-01-31
    • Related Report
      2013 Final Research Report
  • [Presentation] ミクロスケール解析によるAg-Epoxy系導電性接着剤の数値材料試験の検討2012

    • Author(s)
      福嶋英恵,島田宏地,苅谷義治
    • Organizer
      2012年度日本金属学会秋期講演大会
    • Place of Presentation
      愛媛大学
    • Related Report
      2012 Research-status Report
  • [Presentation] Ag-Epoxy系導電性接着剤の粘塑性挙動解析2011

    • Author(s)
      古澤弘充,神田喜彦,森田亮一,苅谷義治
    • Organizer
      日本金属学会秋期講演大会
    • Place of Presentation
      沖縄コンベンションセンター
    • Year and Date
      2011-11-09
    • Related Report
      2013 Final Research Report
  • [Presentation] ミクロスケールFEM解析によるAg-Epoxy導電性接着剤の力学特性解析

    • Author(s)
      福嶋英恵,古澤弘充,森田亮一,苅谷義治
    • Organizer
      第18回 『 エレクトロニクスにおけるマイクロ接合・実装技術 』 シンポジウム
    • Place of Presentation
      パシフィコ横浜(横浜)
    • Related Report
      2011 Research-status Report
  • [Presentation] Ag-Epoxy系導電性接着剤の粘弾性挙動解析および低サイクル疲労寿命予測

    • Author(s)
      福嶋英恵,古澤弘充,森田亮一,苅谷義治
    • Organizer
      第26回 エレクトロニクス実装学会講演大会
    • Place of Presentation
      中央大学(東京)
    • Related Report
      2011 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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