Comparison of acoustoelastic Lamb wave propagation in stressed plates for different measurement orientations | Zendy

Ning Pei | Zendy; Leonard J. Bond | Zendy

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Comparison of acoustoelastic Lamb wave propagation in stressed plates for different measurement orientations

Author(s) -

Ning Pei,

Leonard J. Bond

Publication year - 2017

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.5004388

Subject(s) - perpendicular , lamb waves , materials science , acoustics , sensitivity (control systems) , stress wave , mode (computer interface) , stress (linguistics) , aluminium , wave propagation , optics , composite material , physics , geometry , mathematics , electronic engineering , computer science , engineering , operating system , linguistics , philosophy

High order Lamb waves are investigated for the effects of stress on both symmetrical and anti-symmetrical modes in an aluminum plate for wave propagation and load parallel. Data are compared with those for the case of load and measurement axis perpendicular. It is the S1 mode which exhibits significantly higher sensitivity to stress than other Lamb modes. For aluminum the use of the S1 mode for stress measurement is found to be about six times more sensitive, than bulk waves, for the load-measurement axes parallel case and this compares with about ten times for the case of load-measurement axes perpendicular.

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