The Effect of Intrinsic Mechanical Properties on Reducing the Friction-Induced Ripples of Hard-Filler-Modified HDPE.

As depicted in Figure 6 A,(A-1), the pure HDPE displays typical ripple deformation with height variations between −1 and 0.8 μm, showing a decreasing trend with the addition of Si 3 N 4 , and the best performance occurs in the 4 wt.% Si 3 N 4 composite, with ranges from −0.3 to 0.2 μm ( Figure 6 C,(C-1)).

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Deformation starts when the local stress begins to accumulate and exhibits an increasing trend, whereas stress release concludes the deformation cycle.

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