Experimental investigation on influence of functionalized multi-walled carbon nanotubes on surface roughness in drilling of cfrp composites

Swapnil Suman, P. Pancham Alva, Noel George Daniel, Nagaraja Shetty

Research output: Contribution to journalArticle

Abstract

This paper presents the effect of carboxyl functionalised multi-walled carbon nanotubes on the surface roughness of drilled holes in carbon fibre reinforced plastic (CFRP) laminates. Drilling tests were conducted on CFRP laminates fabricated with neat and carboxyl functionalised multi-walled carbon nanotubes filled epoxy matrix. The drilling process parameters evaluated are feed rate, spindle speed, point angle and drill diameter. The surface roughness of the drilled holes’ wall was measured. Response surface methodology approach was used to analyse the effect of cutting parameters. Surface roughness was found to increase on increasing the feed rate, point angle and drill diameter while it decreased with an increase in spindle speed. An average reduction of 27.96% in surface roughness was observed when carboxyl functionalised multi-walled carbon nanotubes were used as a filler.

Original languageEnglish
Pages (from-to)1133-1146
Number of pages14
JournalInternational Journal of Mechanical and Production Engineering Research and Development
Volume8
Issue number3
DOIs
Publication statusPublished - 30-06-2018

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Carbon Nanotubes
Carbon nanotubes
Drilling
Surface roughness
Plastic laminates
Carbon fiber reinforced plastics
Composite materials
Fillers
carbon fiber reinforced plastic

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

Cite this

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title = "Experimental investigation on influence of functionalized multi-walled carbon nanotubes on surface roughness in drilling of cfrp composites",
abstract = "This paper presents the effect of carboxyl functionalised multi-walled carbon nanotubes on the surface roughness of drilled holes in carbon fibre reinforced plastic (CFRP) laminates. Drilling tests were conducted on CFRP laminates fabricated with neat and carboxyl functionalised multi-walled carbon nanotubes filled epoxy matrix. The drilling process parameters evaluated are feed rate, spindle speed, point angle and drill diameter. The surface roughness of the drilled holes’ wall was measured. Response surface methodology approach was used to analyse the effect of cutting parameters. Surface roughness was found to increase on increasing the feed rate, point angle and drill diameter while it decreased with an increase in spindle speed. An average reduction of 27.96{\%} in surface roughness was observed when carboxyl functionalised multi-walled carbon nanotubes were used as a filler.",
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AB - This paper presents the effect of carboxyl functionalised multi-walled carbon nanotubes on the surface roughness of drilled holes in carbon fibre reinforced plastic (CFRP) laminates. Drilling tests were conducted on CFRP laminates fabricated with neat and carboxyl functionalised multi-walled carbon nanotubes filled epoxy matrix. The drilling process parameters evaluated are feed rate, spindle speed, point angle and drill diameter. The surface roughness of the drilled holes’ wall was measured. Response surface methodology approach was used to analyse the effect of cutting parameters. Surface roughness was found to increase on increasing the feed rate, point angle and drill diameter while it decreased with an increase in spindle speed. An average reduction of 27.96% in surface roughness was observed when carboxyl functionalised multi-walled carbon nanotubes were used as a filler.

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