Stress control in solid materials

Details Stress control in solid materials Stress control in solid materials

1981-08-17

1984-05-08

Kreitman, Stephen A.

Measuring and testing

Vibration

Resonance, frequency, or amplitude study

G01H 1300

Patent

active

044467338

ABSTRACT:
A method of and apparatus for inducing stresses in solid materials in such a manner as to find application to stress relieving and fatigue testing procedures, and a procedure of non-destructively testing structural elements after they are in place within a larger structure. The present invention utilizes the higher resonant modes of vibration of the workpiece or structure undergoing treatment or testing to induce stress waves having maximum moment at many locations distributed over the surface.

REFERENCES:
patent: 2675698 (1954-04-01), Johnson
patent: 3600934 (1971-08-01), Hendrix et al.
patent: 3741820 (1973-06-01), Hebel, Jr. et al.
patent: 4128011 (1978-12-01), Savage
patent: 4309903 (1982-01-01), Ono
patent: 4314202 (1982-02-01), Okubo
patent: 4381673 (1983-05-01), Klauba et al.
patent: 4383446 (1983-05-01), Roeder et al.

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