Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume 10, Issue 12, Pages 8254-8259Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2010.3026
Keywords
Low Density Polyethylene; Polymer plus Metal Nanocomposites; Focused Ion Beams; Scratch Resistance; Wear Resistance
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Funding
- Robert A. Welch Foundation, Houston [B-1203]
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We have investigated composites containing metallic micro-size and nano-sized particles as the 10 wt% dispersed phase. Branched low density polyethylene (LDPE) was the matrix. Microsized metals were Al, Ag and Ni; nanosized metals were Al and Ag. Several mechanisms of wear are observed in function of the kind and size of metal used: deformation, delamination, abrasion, adhesion and rolls formation. The presence of Ag particles increases the wear rate as compared to neat LDPE. The presence of Al particles lowers the wear of LDPE significantly; nanoparticles are more effective than microparticles.
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