Autoradiography-based differential wear mapping

Details Autoradiography-based differential wear mapping Autoradiography-based differential wear mapping

2007-07-20

2011-11-01

Wang, Claire X (Department: 2624)

Image analysis

Applications

Manufacturing or product inspection

C250S582000, C250S583000

Reexamination Certificate

active

08050489

ABSTRACT:
Methods and systems for the differential wear mapping of the surface of an object are described. The process involves establishing a radioactive wearing surface on the object through surface layer activation (SLA) and/or radioactive ion implantation (RII) and imaging the wearing surface with conformal photographic or x-ray film to produce a first autoradiograph providing a baseline profile of the wearing surface. After subjecting the object to wear during testing the wearing surface is again imaged with conformal photographic or x-ray film to produce a second autoradiograph providing a worn profile. The first and second autoradiographs of the wearing surface are digitized and compared to produce a differential wear map of the surface of the object.

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