PASSIVE STRAIN INDICATOR

A method (200) of making a component (10) with a passive strain indicator (40) includes forming (210) the component (10) including an outer surface (14) thereof. The passive strain indicator (40) includes a shim (38) with a plurality of fiducial markers (12). The method (200) also includes forming (...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RANSON, William F, HOVIS, Gregory Lee
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PHYSICS STEAM ENGINES TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	A method (200) of making a component (10) with a passive strain indicator (40) includes forming (210) the component (10) including an outer surface (14) thereof. The passive strain indicator (40) includes a shim (38) with a plurality of fiducial markers (12). The method (200) also includes forming (220) the plurality of fiducial markers (12) on the shim (38) by deforming selected locations on the shim (38). The method (200) further includes attaching (230) a portion of the shim (38) to the outer surface (14) of the component (10). Forming (220) the component (10) and forming (230) the passive strain indicator (40) are performed separately prior to attaching the shim (38) to the outer surface (14) of the component (10). A system (23) for monitoring strain includes a component (10) and a passive strain indicator (40). A portion of the passive strain indicator (40) is integrally joined with the outer surface (14) of the component (10). The passive strain indicator (40) includes a shim (38) and a plurality of fiducial markers (12). Each fiducial marker (12) is a discrete three-dimensional feature on the shim (38).