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Towards Characterizing the Microdynamics of AE Generation in Machining

Abstract This article presents a conceptual framework based on combining statistical mechanics and ray acoustic theory to derive models of how acoustic emission (AE) generated from the prominent atomistic sources in the shear zone of a machining process is consolidated to make up the measured AE waveform. A proof-of-concept implementation of the modeling framework shows that the resulting model solutions can emulate the bursts, transients, and other salient features present in a measured AE waveform.