Carbon nanotube (CNT) based polymeric composites exhibit high strength and thermal conductivity and can be electrically conductive at a low percolation threshold. CNT nanocomposites with polystyrene (PS) thermoplastic matrix were injection-molded and high shear stress in the flow direction enabled partial alignment of the CNTs. The samples with different CNT concentrations were prepared to study the effect of CNT concentration on the cutting behavior of the samples. Characterizations of CNT polymer composites were studied to relate different characteristics of materials such as thermal conductivity and mechanical properties to micromachining. Micro-end milling was performed to understand the material removal behavior of CNT nanocomposites. It was found that CNT alignment and concentrations influenced the cutting forces. The mechanistic micromilling force model was used to predict the cutting forces. The force model has been verified with the experimental milling forces. The machinability of the CNT nanocomposites was better than that of pure polymer due to the improved thermal conductivity and mechanical characteristics.
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3800 Finnerty Road, Victoria V8P5C2,
British Columbia,
e-mail: mbgjun@uvic.ca
2500 University Drive, NW, Calgary,
Alberta T2N1N4,
e-mail: simon.park@ucalgary.ca
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March 2013
This article was originally published in
Journal of Micro and Nano-Manufacturing
Research-Article
Characterization and Micromilling of Flow Induced Aligned Carbon Nanotube Nanocomposites
Mehdi Mahmoodi,
M. G. Mostofa,
M. G. Mostofa
e-mail: mgmostof@ucalgary.ca
2500 University Drive, NW, Calgary,
Alberta T2N1N4,
University of Calgary
,2500 University Drive, NW, Calgary,
Alberta T2N1N4,
Canada
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Martin Jun,
3800 Finnerty Road, Victoria V8P5C2,
British Columbia,
e-mail: mbgjun@uvic.ca
Martin Jun
University of Victoria
,3800 Finnerty Road, Victoria V8P5C2,
British Columbia,
Canada
e-mail: mbgjun@uvic.ca
Search for other works by this author on:
Simon S. Park
2500 University Drive, NW, Calgary,
Alberta T2N1N4,
e-mail: simon.park@ucalgary.ca
Simon S. Park
1
University of Calgary
,2500 University Drive, NW, Calgary,
Alberta T2N1N4,
Canada
e-mail: simon.park@ucalgary.ca
1Corresponding author.
Search for other works by this author on:
Mehdi Mahmoodi
e-mail: mahmoom@ucalgary.ca
M. G. Mostofa
e-mail: mgmostof@ucalgary.ca
2500 University Drive, NW, Calgary,
Alberta T2N1N4,
University of Calgary
,2500 University Drive, NW, Calgary,
Alberta T2N1N4,
Canada
Martin Jun
University of Victoria
,3800 Finnerty Road, Victoria V8P5C2,
British Columbia,
Canada
e-mail: mbgjun@uvic.ca
Simon S. Park
University of Calgary
,2500 University Drive, NW, Calgary,
Alberta T2N1N4,
Canada
e-mail: simon.park@ucalgary.ca
1Corresponding author.
Contributed by the Manufacturing Engineering Division of ASME for publication in the JOURNAL OF Micro AND Nano-Manufacturing. Manuscript received July 23, 2012; final manuscript received December 11, 2012; published online March 22, 2013. Assoc. Editor: J. Rhett Mayor.
J. Micro Nano-Manuf. Mar 2013, 1(1): 011009 (8 pages)
Published Online: March 22, 2013
Article history
Received:
July 23, 2012
Revision Received:
December 11, 2012
Citation
Mahmoodi, M., Mostofa, M. G., Jun, M., and Park, S. S. (March 22, 2013). "Characterization and Micromilling of Flow Induced Aligned Carbon Nanotube Nanocomposites." ASME. J. Micro Nano-Manuf. March 2013; 1(1): 011009. https://doi.org/10.1115/1.4023290
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