Journal
JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME
Volume 125, Issue 3, Pages 577-585Publisher
ASME
DOI: 10.1115/1.1581889
Keywords
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Layered Manufacturing can build functional smart parts with sensors, integrated circuits, complete functional assemblies, and actuators placed within the structure and fully embedded. These sensors can be used to gain data for validating or improving designs during the prototype stage or to obtain information on the performance and structural integrity, of functional components in service. A sequence for embedding fiber optic sensors in metals via Layered Manufacturing is developed. Fiber Bragg Grating (FBG) sensors, embedded in nickel and stainless steel were characterized for temperature and strain measurements. Moreover a decoupling technique that is capable of separating temperature and strain effects was also developed. This paper also presents the application of the embedded sensors to monitor residual strains during laser-assisted Layered Manufacturing.
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