走査型プローブ顕微鏡による局部腐食のナノメータ液中その場観察

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タイトル別名
  • In-situ Nanoscopic Visualization of Localized Corrosion by Scanning Probe Microscopes.
  • ソウサガタ プローブ ケンビキョウ ニ ヨル キョクブ フショク ノ ナノメー

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抄録

This investigation demonstrates that scanning tunneling microscopy (STM) and atomic force microscopy (AFM) (scanning probe microscopy) are capable of performing in-situ nanoscopic visualization of initiation and growth processes of localized corrosion in aqueous solutions. We discuss advantage and disadvantage of STM and AFM for in-situ visualization in aqueous solutions: an AFM is more suitable compared with an STM for in-situ visualization of localized corrosion damage, from the standpoints of scanning speed, stability and capability of imaging non-conducting surface of corrosion products. The nanoscopic initiation and growth mechanisms of localized corrosion of pitting corrosion and intergranular corrosion of a sensitized austenitic stainless steel and 7XXX series aluminum alloys are discussed based upon nanoscopic in-situ visualization by using STM/AFM.

収録刊行物

  • 材料

    材料 43 (486), 329-335, 1994

    公益社団法人 日本材料学会

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