Evidence for contributions of lack-of-fusion defects and dislocations to acoustic nonlinearity and loss in additively manufactured aluminum

Johnson, Ward L.; Heyliger, Paul R.; Benzing, Jake T.; Kafka, Orion L.; Moser, Newell H.; Harris, Derek; Iten, Jeremy; Hrabe, Nik W.

doi:10.1016/j.ndteint.2024.103068

NDT & E International

2024

DOI: 10.1016/j.ndteint.2024.103068

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Evidence for contributions of lack-of-fusion defects and dislocations to acoustic nonlinearity and loss in additively manufactured aluminum

Ward L. Johnson,

Paul R. Heyliger,

Jake T. Benzing

et al.

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Anisotropy of acoustic properties in thin-sheet rolled low-carbon manganese steel

Murav’ev,

Murav’eva,

Volkova

et al. 2024

Defektoskopiâ

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Thin-sheet rolled low-carbon manganese steel 09G2S with a thickness of 0,8 mm which has strong property anisotropy due to texture and residual stresses, was experimentally studied using SH-wave with horizontal polarization and zero-order symmetric Lamb wave mode. The velocities of elastic wave propagation along the sheet were analyzed as their direction and polarization varied relative to the rolling direction in the range of angles from 0 to 180 degrees. The excitation and reception of normal waves in the sheet were carried out by piezoelectric transducers with dry point contact, providing tangential force application. The results of the research on the anisotropy of acoustic properties, X-ray structural analysis of residual stresses and inverse pole figures, and metallographic studies were obtained.

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Anisotropy of acoustic properties in thin-sheet rolled low-carbon manganese steel

Murav’ev,

Murav’eva,

Volkova

et al. 2024

Defektoskopiâ

View full text Add to dashboard Cite

show abstract

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Evidence for contributions of lack-of-fusion defects and dislocations to acoustic nonlinearity and loss in additively manufactured aluminum

Cited by 1 publication

References 34 publications

Anisotropy of acoustic properties in thin-sheet rolled low-carbon manganese steel

Anisotropy of acoustic properties in thin-sheet rolled low-carbon manganese steel

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