Study on abrasive water jet drilling for graphite filled glass/epoxy laminates

The effect of Abrasive Water Jet (AWJ) machining parameters on quality of the drilled holes in Glass Fiber Reinforced Polymer (GFRP) composite is reported. In this work a hybrid composite laminates of glass fabric reinforced epoxy with 2%, 4% and 6% graphite were studied. Experiments were designed u...

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Bibliographic Details
Published in:Journal of Mechanical Engineering and Sciences 2019-06, Vol.13 (2), p.5126-5136
Main Authors: Deepak, D, Ashwin, Pai K
Format: Article
Language:English
Subjects:
Abrasive jet drilling
Abrasive machining
anova
awj machining
Feed rate
Fiber composites
Fiber reinforced polymers
Five axis
five-axis cnc awj machine
gfrp
Glass fiber reinforced plastics
Glass-epoxy composites
Graphite
Graphite fiber reinforced plastics
Graphite-epoxy composites
Hybrid composites
Hydraulic jets
jet operating pressure
Laminates
Machinability
Orthogonal arrays
Process parameters
stand-off distance
taguchi method
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Description
Summary:The effect of Abrasive Water Jet (AWJ) machining parameters on quality of the drilled holes in Glass Fiber Reinforced Polymer (GFRP) composite is reported. In this work a hybrid composite laminates of glass fabric reinforced epoxy with 2%, 4% and 6% graphite were studied. Experiments were designed using Taguchi L9 orthogonal array and conducted using five-axis CNC AWJ machine. The influence of process parameters such as jet operating pressure, feed rate and stand-off distance (SOD) on quality of drilled holes were investigated and results are reported. Further, the process parameter were optimized using statistical method. The study show that jet operating pressure is the most influential operating parameter affecting the response. SEM investigation reveals that use of graphite in GFRP composite helps in improving machinability of the laminates.
ISSN:2289-4659
2231-8380
DOI:10.15282/jmes.13.2.2019.24.0421