Abstract
A radiation of the electron called exoelectron from the machined surface is observed with less energy than usual work function, and it is known that this phenomenon is sensible to changes of crystal structure and surface structure. This paper describes the result of examining the possibility of photo stimulated exoelectron emission as a method of the process monitoring and surface evaluation. As a result of cutting experiment in vacuum atmosphere, it is confirmed that electron emission is observed during the distruction of materials and that there is a relationship between cutting conditions and emission behavior on the machined surface. These results show the possibility of exoelectron emission for new method of process monitoring and surface evaluation.
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