Diffraction and shadowing errors in -6 dB defect sizing of delaminations in composites

Insight: Non-Destructive Testing and Condition Monitoring

Volumn 40, Issue 1, 1998, Pages 44-49

  Smith, R A ^c   Jones, L D ^a   Willsher, S J ^b   Marriott, A B ^c  

^a Ultrasonic Laboratory   (United Kingdom)

^b British Inst of Non destr Testing   (United Kingdom)

^c NONE

Author keywords

[No Author keywords available]

Indexed keywords

DEFECTS; DELAMINATION; FIBER REINFORCED PLASTICS; ULTRASONIC DIFFRACTION; ULTRASONIC TRANSDUCERS; ULTRASONIC TRANSMISSION;

BACK WALL ECHO GATED PULSE ECHO SCANS; C SCANS;

NONDESTRUCTIVE EXAMINATION;

EID: 0031699666     PISSN: 13542575     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (6)

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2. Zhao J, Gaydecki PA and Burdekin F M, 'Investigation of block filtering and deconvolution for the improvement of lateral resolution and flaw sizing accuracy in ultrasonic testing' Ultrasonics, Vol 33 No 3, pp 187-194, 1995.
3. Zeqiri B and Hodnett M, 'A systematic investigation of the effect of collimators on the characteristics of ultrasonic NDT transducers', INSIGHT, Vol 40 No 1, pp 28-33, January 1998.
4. Krautkramer J and Krautkramer H, 'Ultrasonic testing of materials', Springer-Verlag, 1990.
5. Temple J A G, 'Diffraction coefficients for flat-bottomed holes from 3-D finite difference calculations', Ultrasonics, Vol 31 No 1, 1993.
6. Hecht E and Zajac A, 'Optics', Addison-Wesley, Philippines, 1974.