Nondestructive ultrasonic testing of materials

Details Nondestructive ultrasonic testing of materials Nondestructive ultrasonic testing of materials

1990-07-16

1994-08-02

Lall, Parshotam S.

Boots, shoes, and leggings

364554, 73577, G06F 1520

Patent

active

053351843

ABSTRACT:
Reflection wave forms obtained from aged and unaged material samples can be compared in order to indicate trends toward age-related flaws. Statistical comparison of a large number of data points from such wave forms can indicate changes in the microstructure of the material due to aging. The process is useful for predicting when flaws may occur in structural elements of high risk structures such as nuclear power plants, airplanes, and bridges.

REFERENCES:
patent: 3911733 (1975-10-01), Bhuta et al.
patent: 4609994 (1986-09-01), Bassim et al.
patent: 4764970 (1988-08-01), Hayashi et al.
patent: 4794545 (1988-12-01), Salvado
patent: 4866614 (1989-09-01), Tam
patent: 4897796 (1990-01-01), Salvado

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