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Orthogonal machining of uni-directional carbon fiber reinforced polymer composites
Chennakesavelu, Ganesh
Chennakesavelu, Ganesh
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2010-08
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Electronic dissertations
Electronic dissertations
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Abstract
This research basically deals with Orthogonal Machining of Unidirectional Carbon Fiber
Reinforced Polymer (FRP) Composites as secondary operations like machining is a very
important process in composites manufacturing. Even though composites are manufactured to
near net shape, machining operations becomes obvious to attain dimensional accuracy and
surface finish for further assembly operations. The machining of FRP’s is different and more
complicated to that of metals because of their anisotropic and inhomogeneous nature, along with
the chip formation mode for its brittle behavior. Fibers are very abrasive in nature and cause
extreme tool wear making it difficult for cutting and when combined with matrix which is
comparatively weak produce fluctuating force on the tool to augment for the tool wear. It will be
very helpful to study their behavior for optimizing the machining condition and to minimize the
above mentioned drawbacks.
This work will be basically dealing on the experimental study and numerical prediction
of machining quality during orthogonal machining on various fiber orientation and cutting
conditions. Orthogonal machining was performed using 3-axis miniMILL for experimental work
and commercially available simulation software ABAQUS 6.9-2 for numerical study. The
numerical findings are presented to supplement experimental work for predicting delamination
which is very important for its service life along with some interesting observation which is
discussed in this report.
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Thesis (M.S.)--Wichita State University, College of Engineering, Dept. of Mechanical Engineering.
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Wichita State University
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Copyright Ganesh Chennakesavelu, 2010. All rights reserved