METHOD FOR IN-SITU MARKERS FOR THERMAL MECHANICAL STRUCTURAL HEALTH MONITORING
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United States of America
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Jan 2, 2020
app pub date -
Aug 7, 2019
filing date -
Aug 7, 2019
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Abstract
A method of monitoring the residual stress in surface and near surface regions of a component includes identifying predetermined locations on the surface of a component that are expected to experience high stress during normal operating conditions of the component. Marker particles are introduced into the component during additive manufacture of the component at the predetermined locations. Then, the residual stress of the component is measured at a location corresponding with the marker material using x-ray techniques.
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