大気プラズマ溶射遮熱コーティングの機械的特性に及ぼす溶射条件と高温暴露の影響 Influence of the spray process parameters and the thermal exposure on the mechanical properties of the free-standing air-plasma sprayed thermal barrier coating

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The tensile and the 4-point bending tests of the free-standing air plasma sprayed thermal barrier coating (APSed TBC) were carried out in order to evaluate the mechanical properties. The effects of the process variables in the APS and the isothermal exposure on the mechanical properties were investigated. The experimental results indicated that the mechanical properties of the TBC ceramic top coating were significantly changed by the process variables and the isothermal exposure. The elastic modulus evaluated from the unloading curve was much higher than that from the initial loading curve. The microstructural and analytical investigations were also carried out and the relationship between the mechanical properties and the splat structure was discussed. It was cleared that the mechanical properties of APSed TBC was controlled with the change of the splat structure by the initial stage of the sintering.

収録刊行物

  • 溶射 : journal of Japan Thermal Spraying Society  

    溶射 : journal of Japan Thermal Spraying Society 44(3), 88-95, 2007-07-31 

    日本溶射協会

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各種コード

  • NII論文ID(NAID)
    10018933241
  • NII書誌ID(NCID)
    AN10502250
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09166076
  • NDL 記事登録ID
    8907691
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-940
  • データ提供元
    CJP書誌  CJP引用  NDL  IR 
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