EFFECTS OF ULTRASOUND ON DEFORMATION CHARACTERISTICS OF STRUCTURAL METALS, 1 JULY 1963-30 JUNE 1964, PART 5. DISCUSSION

High-intensity ultrasound at 20 kc/sec is used in studies of mechanisms of metal deformation and treatment. Quantitative details about the experimental conditions are provided in the five parts of this report: (1) modes of intense ultrasonic stress waves in rods and bars, (2) conversion of acoustic...

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Bibliographic Details
Main Authors: Langenecker, B, Fountain, C. W, Colberg, S. R
Format: Report
Language:English
Subjects:
ACOUSTICS
DEFORMATION
DEGRADATION
FRACTURE(MECHANICS)
FRICTION
HIGH TEMPERATURE
METALS
MODEL TESTS
PLASTIC PROPERTIES
RODS
STATICS
STRAIN(MECHANICS)
STRESSES
STRUCTURAL PROPERTIES
TENSILE PROPERTIES
TRANSDUCERS
ULTRASONIC PROPERTIES
ULTRASONIC RADIATION
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Summary:High-intensity ultrasound at 20 kc/sec is used in studies of mechanisms of metal deformation and treatment. Quantitative details about the experimental conditions are provided in the five parts of this report: (1) modes of intense ultrasonic stress waves in rods and bars, (2) conversion of acoustic energy into heat, (3) applications of ultrasound at high-strain-rate tensile tests, (4) measurements of internal friction during high-intensity ultrasonic radiation of metals, and (5) discussion of ultrasonic metal deformation along with a comparison between our observations and other reports on the subject of ultrasonic metal forming processes. (Author) See also Part 1, AD-446 394, Part 2, AD-612 915, Part 3, AD-466 978 and Part 4, AD-462 609.