Measuring and testing – Ductility or brittleness
Patent
1977-06-07
1978-08-22
Ciarlante, Anthony V.
Measuring and testing
Ductility or brittleness
G01B 530
Patent
active
041079809
ABSTRACT:
A method for predicting damage accumulation in a structural component in which a gage in the form of a metal strip having a flaw therein of predetermined length is attached to the component having a flaw therein of a length assumed to be greater than the length of any other flaw therein. Damage accumulation in the structural component is tracked by following the growth of the flaw in the gage and determining from that growth the growth in the flaw in the component. Thus, in accordance with this method, flaw growth in a gage is related to flaw growth in a structural component rather than to time so that damage actually accumulated in the component can be predicted regardless of the time factor.
REFERENCES:
patent: 3136154 (1964-06-01), Christensen
patent: 3774443 (1973-11-01), Green et al.
patent: 3979949 (1976-09-01), Smith
Crane Robert L.
Gallagher Joseph P.
Grandt, Jr. Alten F.
Ciarlante Anthony V.
Kuhn Cedric H.
Rusz Joseph E.
The United States of America as represented by the Secretary of
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