The Effect of Graphene Nanoplatelets on the Wear Properties of High-Frequency Induction Sintered Alumina Nanocomposites
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Date
2019
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Abstract
Alumina nanoparticles mixed with up to 1wt% graphene nanoplatelets (GNPs) were mixed by high-speed ball milling for 2 h at 350 rpm and sintered in a graphite die at 1650 °C for 20 min in an ultra-high-frequency induction heated system (UHFIHS) under uniaxial load in a vacuum chamber. The effect of different GNPs ratios on the microstructure, hardness and wear rate of alumina nanocomposites was examined. The results showed that the mechanical properties of Al 2 O 3 –GNPs nanocomposites gradually improved with GNP additions of 0.1 wt% to 0.6 wt%. © 2018, Springer Science+Business Media, LLC, part of Springer Nature.
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Alumina , Aluminum oxide , Ball milling , Graphene , Mechanical properties , Nanocomposites , Sintering , Wear of materials , Alumina Nanoparticle , Graphene nanoplatelets , High frequency induction , Induction , Ultra-high frequency , Uniaxial load , Vacuum chambers , Wear properties , Sintered alumina