Energy based investigation of process parameters while drilling carbon fiber reinforced polymers
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Carbon fiber reinforced polymers (CFRPs) are widely used in the aerospace industry due to their light weight, high strength, and low thermal conductivity. Drilling is a critical process that affects the quality of CFRP parts. This work studies the influence of process parameters on delamination and tool wear. Polycrystalline diamond helical drills are used in the experiments. It has been shown that drilling energy calculations can be used to set appropriate feed and speed parameters and for increasing drilling performance of CFRPs. The results also indicate the importance of thermal modeling of CFRP laminate for better understanding of the drilling process. © 2016 The Authors.
Carbon fiber reinforced polymer materials
Beams and girders
Carbide cutting tools
Diamond cutting tools
Fiber reinforced materials
Fiber reinforced plastics
Oil well drilling
Wear of materials
Carbon fiber reinforced polymer
Influence of process parameters
Low thermal conductivity
Carbon fiber reinforced plastics
Published Version (Please cite this version)http://dx.doi.org/10.1016/j.procir.2016.03.185
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Karpat, Y.; Bahtiyar O. (Elsevier, 2015)As a result of increased use of CFRPs in the aerospace industry, the machining of CFRPs has been studied extensively. The majority of these studies consider drilling of CFRPs, since it is the most common process in the ...
Experimental evaluation of polycrystalline diamond tool geometries while drilling carbon fiber-reinforced plastics Karpat, Y.; Deǧer, B.; Bahtiyar, O. (Springer, 2014)Polycrystalline diamond (PCD) drills are commonly employed in carbon fiber-reinforced plastic (CFRP) drilling to satisfy hole quality conditions with an acceptable tool life and productivity. Despite their common use in ...
Tool geometry based prediction of critical thrust force while drilling carbon fiber reinforced polymers Karpat, Y.; Bahtiyar O. (Shanghai University Press, 2015)Carbon fiber reinforced polymers (CFRPs) are known to be difficult to cut due to the abrasive nature of carbon fibers and the low thermal conductivity of the polymer matrix. Polycrystalline diamond (PCD) drills are commonly ...