Metal Deformation in Macrosonic Fields

With the powerful ultrasonic transducers now available, the apparent static forces necessary for plastic deformation of metals can be markedly reduced, and even high-strength metals can be fractured without application of an external static load. To use high acoustic power in large-scale forming pro...

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Bibliographic Details
Published in:SAE transactions 1966-01, Vol.74, p.499-505
Main Author: Langenecker, B.
Format: Article
Language:English
Subjects:
Deformation
Irradiation
Materials
Plasticity
Sound
Sound waves
Steels
Stress waves
Ultrasonics
Ultrasonography
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Summary:With the powerful ultrasonic transducers now available, the apparent static forces necessary for plastic deformation of metals can be markedly reduced, and even high-strength metals can be fractured without application of an external static load. To use high acoustic power in large-scale forming processes, it is necessary to establish fundamental parameters such as acoustic energy density, heating rate, and efficient coupling of sound and workpiece. Acoustic radiation is shown to affect material properties while aiding their plasticity, and limits can be determined within which sound can be applied without deteriorating properties.
ISSN:0096-736X
2577-1531