[HTML][HTML] Indentation size effect: an improved mechanistic model incorporating surface undulation and indenter tip irregularity

X Li, W Zhang, M Han, F Xie, D Li, J Zhang… - Journal of Materials …, 2023 - Elsevier
Indentation size effect (ISE), in general, is observed in shallow indentation tests, which is
manifested as an increase (NISE) or decrease (RISE) in hardness with penetration depth …