Experimental Investigation of The Machinability of Polycarbonate Reinforced With Multiwalled Carbon Nanotubes  

Oleh:

Kapoor, S. G. ; DeVor, R. E. ; Samuel, J.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Manufacturing Science and Engineering vol. 128 no. 2 (Mei 2006), page 465-473.
Topik: carbon nanotubes; experimental investigation; machinability; polycarbonate; multiwalled; carbon nanotubes

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ93.8 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

The machinability of a polycarbonate nanocomposite containing multiwalled carbon nanotubes is investigated and contrasted with its base polymer and with a conventional carbon fiber composite. The material microstructures are characterized using transmission electron and scanning electron microscopy methods. Micro - endmilling experiments are conducted on the three materials. Chip morphology, machined surface characteristics, and the nature of the cutting forces are employed as machinability measures for comparative purposes. Polycarbonate chips are seen to transition from being discontinuous to continuous as the feed - per - tooth (FPT) increases, while, at all FPT values the nanocomposite is seen to form comparatively thicker continuous chips. The nanocomposite and the carbon fiber composite are seen to have the lowest and the highest magnitudes, respectively, for both the surface roughness and cutting forces. Shearing along the nanotube - polymer interface and better thermal conductivity are speculated to be the mechanisms responsible for the observations seen in the nanocomposite.

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