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Advanced Sensing of Materials Processing

Published online by Cambridge University Press:  22 February 2011

Haydn N. G. Wadley
Affiliation:
National Bureau of Standards, Gaithersburg, MD 20899
Arnold H. Kahn
Affiliation:
National Bureau of Standards, Gaithersburg, MD 20899
Ward Johnson
Affiliation:
National Bureau of Standards, Gaithersburg, MD 20899
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Abstract

To implement new process control strategies including Intelligent Processing of Materials, advanced sensors are required to nonintrusively evaluate process and microstructure variables. Researchers increasingly are looking to innovative extensions of traditional nondestructive evaluation technologies, such as ultrasonics, acoustic emission, and eddy current methodologies for this. Here, the nature and characteristics of emerging sensors based upon these new measurement methods are described and examples of their application discussed.

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