Nondestructive Measurement of Coated Steels and Thermal Barrier Coating Using Terahertz Waves

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  • テラヘルツ波を用いた塗膜下金属表面と遮熱コーティングの非破壊計測
  • テラヘルツハ オ モチイタ トマク カ キンゾク ヒョウメン ト シャネツ コーティング ノ ヒハカイ ケイソク

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Abstract

Due to the superior transmittance properties of terahertz waves against plastic and ceramic materials, this sum-millimeter wave technology is considered to be promising for detecting deformation under coatings. The present paper provides brief review on detection of underfilm corrosion as well as integrity evaluation of thermal barrier coating used for gas turbine blades.

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