Mechanism of Damage in the Vibratory Test with Stationary Specimen

概要

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The vibratory cavitation device with a vibratory probe oscillating in close proximity to a specimen surface was improved ; by recirculation of the testing liquid through a bore in the horn and the gap between the stationary specimen and the vibrating probe the temperature distribution on the stationary specimen came within ±0.5℃, and the errors in the experimental results were able to be kept below ±3%. It was confirmed that the stationary specimen is damaged by cavitation with a more ductile mode than the vibrating specimen. This is attributed to absence of stress of longitudinal vibrations.
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