AC4CH アルミニウム合金の通常疲労及びフレッティング疲労特性 Plain fatigue and fretting fatigue strengths of AC4CH aluminum alloy

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Plain fatigue, fatigue crack growth and fretting fatigue tests were carried out using cast Al–Si aluminum alloy JIS AC4CH–T6 as well as the forged aluminum alloy JIS 6061–T6. Plain fatigue strength of the cast aluminum alloy was lower than that of the forged alloy. The lower fatigue strength was attributed to casting defects such as pores in the cast aluminum alloy, which enhanced fatigue crack formation. On the other hand, fretting fatigue strength of the cast aluminum alloy was almost equal to that of the forged alloy. No difference of both tangential force coefficient in fretting fatigue and fatigue crack growth rates were observed between the two materials. The prediction of fretting fatigue lives for both materials were made on the basis of the fracture mechanics approach. The predicted lives were in good agreement with the experimental results.

収録刊行物

  • 軽金属  

    軽金属 49(10), 493-498, 1999-10-30 

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10004453494
  • NII書誌ID(NCID)
    AN00069773
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    04515994
  • NDL 記事登録ID
    4886598
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-284
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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