Research Article

Effect of Particle Size and Ligand on the Tribological Properties of Amino Functionalized Hairy Silica Nanoparticles as an Additive to Polyalphaolefin

Figure 7

COF and WSD of (a, b) 20 nm, (c, d) 50 nm, and (e, f) 100 nm HSNs-PAO lubricants.
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