A Method of Sizing Small Fatigue Crack in Stainless Steel by Microwaves(NDE4)

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概要

• 論文の詳細を見る

• To evaluate the depth of small fatigue cracks under a condition of no contact and without any coupling medium, a novel microwave technique was demonstrated. An open-ended coaxial line sensor was used to increase the spatial resolution and the ratio of signal to noise. Closed fatigue cracks were detected successfully and a W-shaped characteristic signal was obtained. A dual frequency technique was proposed to evaluate the depth of small fatigue cracks of which situation regarding crack closure is unknown. The evaluated results are shown to agree well with the actual values.

• 一般社団法人日本機械学会の論文
• 2001-10-20

著者

• Luo D.

  Department Of Medicine University Of Washington

• Saka M.

  Department Of Mechanical Engineering Tohoku University

• Ju Y.

  Department of Mechanical Engineering, Tohoku University

• Abe H.

  Tohoku University

• Luo D.

  Department Of Mechanical Engineering Tohoku University

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• A Method of Sizing Small Fatigue Crack in Stainless Steel by Microwaves(NDE4)

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