Transactions of Nanjing University of Aeronautics & Astronautics
Tool Wear of Various Materials of Drills in Drilling CFRP Composite and Its Impacts on Drilling Quality
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Abstract:
Drilling carbon fiber reinforced polymer （CFRP） composites is liable to generate serious defects including burrs， delamination， fiber pullouts and matrix cracking because of their inherent anisotropy in mechanical properties. Therefore， studies on drilling quality during composites processing is necessary. The thrust force of different material drill bits in composites drilling process was measured by the dynamometer and the surface quality of the hole wall was observed by scanning electron microscope （SEM）， moreover， the tool wear and its effects on the hole wall quality were also taken into account.
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Clc Number:
V262.2
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