Method of detecting structural abnormality of substance

Details Method of detecting structural abnormality of substance Method of detecting structural abnormality of substance

1987-05-04

1989-01-03

Myracle, Jerry W.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

In static structures

7386268, 73DIG4, 324456, 324 711, G01M 500

Patent

active

047947977

ABSTRACT:
A method of detecting structural abnormalities of a structure composed of an electrically conducting crystalline or non-crystalline substance with no band gap. Piezoelectricity and/or pyroelectricity (electric energy) generated by dynamical energy such as pressure and heat applied to the structure are taken out directly from the structure and measured, thereby accurately detecting the distribution and directivity of the structural abnormality resulting from stresses in the structure.

REFERENCES:
patent: 3283164 (1966-11-01), Remeika
patent: 3948089 (1976-04-01), Shaw et al.

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