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Investigations of Environmental Strength of Metal Matrix Composites under Multiaxial Loading Conditions

Research Project

Project/Area Number 03452109
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 材料力学
Research InstitutionKYOTO UNIVERSITY

Principal Investigator

KOMAI Kenjiro  Kyoto University, Department of Mechanical Engineering, Professor, 工学部, 教授 (70025948)

Co-Investigator(Kenkyū-buntansha) SHIROSHITA Sohei  Kyoto University, Department of Mechanical Engineering, Instructor, 工学部, 助手 (80026252)
MINOSHIMA Kohji  Kyoto University, Department of Mechanical Engineering, Associate Professor, 工学部, 助教授 (50174107)
Project Period (FY) 1991 – 1992
Project Status Completed (Fiscal Year 1992)
Budget Amount *help
¥6,800,000 (Direct Cost: ¥6,800,000)
Fiscal Year 1992: ¥2,300,000 (Direct Cost: ¥2,300,000)
Fiscal Year 1991: ¥4,500,000 (Direct Cost: ¥4,500,000)
KeywordsMetal matrix composite / Whisker / Continuous ceramic fiber / Fracture / Multiaxial loading / Fatigue / Elevated temperature / Vacuum / SiCウィスカ / ウィスカ / 破壊機構 / フラクトグラフィ
Research Abstract

Metal matrix composites (MMCs) are one of the attractive and promising materials for future technological areas, where high strength and high stiffness as well as good fatigue properties combined with retention of properties at high temperatures and low specific gravity are required. In this investigation, mechanical properties including fatigue of continuous alumina fiber reinforced aluminums and SiC whisker reinforced aluminum alloys were evaluated under multiaxial loading conditions at room and elevated temperatures. Some tests were also conducted in vacuum at room temperature. The influence of temperature and applied loading ratio of tension to torsion on static and fatigue strength of the composites were investigated. Special attention was paid to fracture processes: fracture surfaces were closely examined by a scanning electron microscope (SEM), and some tests were conducted in the SEM. Strength and elastic modulus as well as fatigue strength of the composites increased from the matrix data even under multiaxial loading conditions. Fracture processes of crack initiation and propagation of the composites under multiaxial loading conditions as well as the influence of temperature, stress ratio and vacuum on composite strength were discussed.

Report

(3 results)
  • 1992 Annual Research Report   Final Research Report Summary
  • 1991 Annual Research Report
  • Research Products

    (18 results)

All Other

All Publications (18 results)

  • [Publications] 駒井 謙治郎: "SiCウィスカ強化Al合金の2軸応力下の静的破壊挙動の評価" 日本材料学会第40期学術講演会前刷. 310-312 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 駒井 謙治郎: "SiCウィスカ強化Al合金の2軸応力下の破壊挙動" 日本機械学会関西支部第68期定時総会講演会講演論文集No.924-1. 139-141 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Kenjiro Komai: "Tensile and Tension-Tension Fatigue Fracture Behavior of γ-Al_2O_3/Al Metal Matrix Composites at Room and Elevated Temperature" Second Symposium on Fractography of Modern Engineering Materials,ASTM. 10 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 駒井 謙治郎: "SiCウィスカ強化Al合金の組合せ引張・ねじり荷重下の疲労特性" 日本材料学会第21回疲労シンポジウム. 151-154 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 駒井 謙治郎: "SiCウィスカ強化Al合金の組合せ引張・ねじり荷重下の高温疲労特性" 日本機械学会関西支部第68期定時総会講演会講演論文集No.934-1. 61-63 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Kenjiro Komai: "Tensile and Tension-Tension Fatigue Fracture Behavior of γ-Al_2O_3/Al Metal Matrix Composites at Room and Elevated Temperature" Second Symposium on Fractography of Modern Engineering Materials:Composites and Metals,ASTM STP 1203,. (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] K. Komai, K. Minoshima and G. Yoshida: "Static Strength of SiCw/Al Alloy under Multiaxial Loading Conditions" Proc. Annual Meeting of Jpn Soc. Mater. Sic.310-312 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] K. Komai, K. Minoshima and G. Yoshida: "Fracture Behavior of SiCw/Al Alloy under Multiaxial Loading Conditions" Proc. JSME. No.924-1. 139-141 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] K. Komai, K. Minoshima and T. Funato: "Tensile and Tension-Tension Fatigue Fracture Behavior of gamma-Al_2O_3/Al Metal Matrix Composites at Room and Elevated Temperature" Second Symposium on Fractography of Modern Engineering Materials, ASTM. 10 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] K. Komai, K. Minoshima and G. Yoshida: "Fatigue Fracture Behavior of SiCw/Al Alloy under Combined Tensile and Torsional Loading Conditions" Proc. 21st Symposium on Fatigue, JSMS. 151-154 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] K. Komai, K. Minoshima and G. Yoshida: "Fatigue Fracture Behavior of SiCw/Al Alloy under Combined Tensile and Torsional Loading Conditions at Elevated Temperature" Proc. JSME. No.934-1. 61-63 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] K. Komai, K. Minoshima and T. Funato: "Tensile and Tension-Tension Fatigue Fracture Behavior of gamma-Al_2O_3/Al Metal Matrix Composites at Room and Elevated Temperature" Fractography of Modern Engineering Materials: Composites and Metals. ASTM STP 1203. (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Kenjiro Komai: "Tensile and Tension-Tension Fatigue Fracture Behavior of γ-Al_2O_3/Al Metal Matrix Composites at Room and Elevated Temperature" Second Symposium on Fractography of Modern Engineering Materials,ASTM. 10- (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 駒井 謙治郎: "SiCウィスカ強化Al合金の組合せ引張・ねじり荷重下の疲労特性" 日本材料学会第21回疲労シンポジウム. 151-154 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 駒井 謙治郎: "SiCウィスカ強化Al合金の組合せ引張・ねじり荷重下の高温疲労特性" 日本機械学会関西支部第68期定時総会講演会講演論文集No.934-1. 61-63 (1993)

    • Related Report
      1992 Annual Research Report
  • [Publications] Kenjiro Komai: "Tensile and Tension-Tension Fatigue Fracture Behavior of γ-Al_2O_3/Al Metal Matrix Composites at Room and Elevated Temperature" Second Symposium of Fractography of Modern Engineering Materials:Composites and Metals,ASTM STP 1203,. (1993)

    • Related Report
      1992 Annual Research Report
  • [Publications] 駒井 謙治郎: "SiCウィスカ強化Al合金の2軸応力下の静的破壊挙動の評価" 日本材料学会第40期学術講演会前刷. 310-312 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 駒井 謙治郎: "SiCウィスカ強化Al合金の2軸応力下の破壊挙動" 日本機械学会関西支部第67期定時総会講演会講演論文集No.924ー1. 139-141 (1992)

    • Related Report
      1991 Annual Research Report

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Published: 1991-04-01   Modified: 2016-04-21  

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