Anomalous Reflection of Acoustic Shock Pulse at a Solid-Solid Interface
Measurements of reflection using acoustic shock pulse are made at a solid-solid interface between specimens before and after annealing of the same material in order to develop anomalous reflection mechanism due to plastic deformation in the range of high sound intensity. This experiment is performed at room temperature, and the acoustic shock pulse used in the experiment is 15 to 150 bar in stress range and 20 μs in pulse duration. The reflection phenomenon is not observed for low intensity pulse. However, in the range of high intensity it is found that the reflection coefficient increases as the amplitude of stress increases and also as the annealing temperature increases. The analysis is made about the reflection phenomenon by means of a stress-strain relationship of the material deformed plastically by high intensity shock pulses. The reflection coefficients estimated analytically agree well with the experimental results.
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Document Type: Research Article
Publication date: February 1, 1977
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- Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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