Nanoindentation-Based Measurement of Hardness, Elastic Modulus, and Their Correlation with Wear Resistance

A material shows a high value of H/E. This primarily indicates:
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If the unloading stiffness S increases while all other parameters remain constant, the calculated modulus will:
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Two materials have the same hardness. Material A has lower modulus than Material B. Which will likely show better wear resistance?
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Which parameter is most directly related to resistance against plastic ploughing during sliding wear?

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