Plane stress measurement of orthotropic materials using critically refracted longitudinal waves.

Wei Wang,Yumin Zhang,Yufeng Zhou,Songhe Meng, Dongkangkang Chen

Ultrasonics（2019）

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摘要

•An improved equation between principal stresses and TOF variations is confirmed.•The longitudinal wave velocities of CFRP composite at seven angles are measured.•The stress-acoustic coefficients of CFRP composite are determined.•The acoustoelastic coefficients of CFRP are compared with the reference values.

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关键词

Stress measurement,Orthotropic material,Critically refracted longitudinal wave,Carbon fiber reinforced plastic,Acoustoelastic effect

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