The objective of this research is to examine the micro-machining responses of a hierarchical three-phase composite made up of micro-scale glass fibers that are held together by an epoxy matrix laden with nano-scale graphene platelets. To this end, micro-milling experiments are performed on both the hierarchical graphene composite as well as on a baseline two-phase glass fiber composite without the graphene additive. The composite microstructure is characterized using transmission electron microscopy and scanning electron microscopy methods. Tool wear, chip morphology, cutting force, surface roughness and delamination are employed as machinability measures. In general, the tool wear, cutting forces, surface roughness and extent of delamination are all seen to be lower for the hierarchical graphene composite. These improvements are attributed to the fact that graphene platelets improve the thermal conductivity of the matrix, provide lubrication at the tool-chip interface and also improve the interface strength between the glass fibers and the matrix. Thus, the addition of graphene to a conventional two-phase glass fiber epoxy composite is seen to not only improve its mechanical properties but also its machinability.
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ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference
June 10–14, 2013
Madison, Wisconsin, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-5546-1
PROCEEDINGS PAPER
Micro-Milling Responses of Hierarchical Graphene Composites
Bryan Chu,
Bryan Chu
Rensselaer Polytechnic Institute, Troy, NY
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Johnson Samuel,
Johnson Samuel
Rensselaer Polytechnic Institute, Troy, NY
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Nikhil Koratkar
Nikhil Koratkar
Rensselaer Polytechnic Institute, Troy, NY
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Bryan Chu
Rensselaer Polytechnic Institute, Troy, NY
Johnson Samuel
Rensselaer Polytechnic Institute, Troy, NY
Nikhil Koratkar
Rensselaer Polytechnic Institute, Troy, NY
Paper No:
MSEC2013-1099, V002T03A004; 11 pages
Published Online:
November 27, 2013
Citation
Chu, B, Samuel, J, & Koratkar, N. "Micro-Milling Responses of Hierarchical Graphene Composites." Proceedings of the ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference. Volume 2: Systems; Micro and Nano Technologies; Sustainable Manufacturing. Madison, Wisconsin, USA. June 10–14, 2013. V002T03A004. ASME. https://doi.org/10.1115/MSEC2013-1099
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