Time-and-polarization-resolved acoustic microscopy of surface and subsurface cracks

Time-and-polarization-resolved acoustic microscopy of surface and subsurface cracks

Time-and-polarization-resolved acoustic microscopy with an improved-spatial-resolution line-focus transducer of simply reduced active element width is applied to characterize surface and subsurface cracks. From acoustic images obtained from scanning cracks in different transverse directions and orie...

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Bibliographische Detailangaben
Hauptverfasser: Xiang, Dan, Hsu, Nelson N., Blessing, Gerald V.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
ACOUSTIC MICROSCOPY
CRACKS
MATERIALS SCIENCE
NONDESTRUCTIVE TESTING
POLARIZATION
SPATIAL RESOLUTION
SPECTROSCOPY
STAINLESS STEELS
SURFACES
TIME RESOLUTION
TRANSDUCERS
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Beschreibung
Zusammenfassung:Time-and-polarization-resolved acoustic microscopy with an improved-spatial-resolution line-focus transducer of simply reduced active element width is applied to characterize surface and subsurface cracks. From acoustic images obtained from scanning cracks in different transverse directions and orientations, the presence, orientation, length and depth of cracks are induced.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.1302052