Fundamentals of BK7 Glass Removal in Micro/Nano-Machining
- 1 June 2009
- journal article
- Published by Trans Tech Publications, Ltd. in Advanced Materials Research
- Vol. 76-78, 485-490
- https://doi.org/10.4028/www.scientific.net/amr.76-78.485
Abstract
The confine of ductile-mode cutting and brittle-mode cutting seems to be a crucial step for designing a brittle material removal process. However, the existing transition from ductile-mode to brittle-mode for BK7 material makes the confine of different mode very difficult. Through a series of micro/nano-machining tests, measurements of cutting forces and morphological appearance of cutting groove as well as the cross section at the certain depth of cut, the confirmation of ductile-mode cutting, transition-mode cutting and brittle-mode cutting has been clearly described in the paper. This lays a foundation for the fundamental understanding of cutting physics concerning of material characteristics and cutting tools, and thereafter for the development of optimal process technology.Keywords
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