Giuseppe Mastrolilli
Sponsored
By: Industrial Affialiates of the LMA
Abstract
The texture of diamond-machined optical-quality surfaces on polycrystalline metals is
strongly influenced by the anisotropic elastic and plastic properties of the work material.
Micro-scratching tests were carried out on coarse-grained OFHC copper specimens to examine
the correlation between surface topography and process forces. In agreement with previous work
performed by other researchers [1] the grain boundary has been found to be a potential source of
surface defects. When the force reaches a high level it’s possible to detect rough ares starting
from the grain boundary.
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