Effect of Grain Size and Surface Roughness on the Normal Coefficient of Restitution of Single Grains.

Materials (Basel) · 2020 · PMC7079616 · PMID 32053998

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an increasing trendno p-value reported

Contrary to the impacts on the metal surfaces, i.e., brass blocks in this study, the impacts on granite and rubber blocks showed an increasing trend of COR values with increasing grain size.

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