機械駆動用蒸気タービン動翼の腐食疲労現象と寿命向上に関する研究 : 第1報 : 腐食性物質の濃縮域と腐食疲労に関する考察 Study on Corrosion Fatigue Phenomena and Lifetime Improvement of Steam Turbine Blades Used for Mechanical Drives : 1st Report : Relation of Corrosive Chemicals Enrichment Zone and Corrosion Fatigue

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Corrosion fatigue phenomena of low-pressure blade on chemical enrichment zone for mechanical-drive steam turbines were studied by FEA vibration response and fracture surface analysis. Effects of Main factors as corrosive chemicals, corrosion pit size and enrichment concentration are quantitatively analyzed according to useful data and actual samples of blades and operation experience. Based on these detailed studies, blades have been improved to have sufficient integrity under practical chemical enrichment zone.

Corrosion fatigue phenomena of low-pressure blade on chemical enrichment zone for mechanical-drive steam turbines were studied by FEA vibration response and fracture surface analysis. Effects of Main factors as corrosive chemicals, corrosion pit size and enrichment concentration are quantitatively analyzed according to useful data and actual samples of blades and operation experience. Based on these detailed studies, blades have been improved to have sufficient integrity under practical chemical enrichment zone.

収録刊行物

  • ターボ機械 = Turbomachinery  

    ターボ機械 = Turbomachinery 35(2), 72-80, 2007-02-10 

    ターボ機械協会

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各種コード

  • NII論文ID(NAID)
    10018722032
  • NII書誌ID(NCID)
    AN00004836
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03858839
  • NDL 記事登録ID
    8663259
  • NDL 雑誌分類
    ZN15(科学技術--機械工学・工業--流体機械)
  • NDL 請求記号
    Z16-978
  • データ提供元
    CJP書誌  CJP引用  NDL  IR  J-STAGE 
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