Stress–Strain plots based on nanoindentation load–depth curves were obtained to study phenomena like internal fracture and ductile to brittle transitions. Fracture phenomena during the indentation process were analyzed based on the stress–strain plots. A transition from ductile to brittle fracture was observed on increasing the depth or load of indenter penetration. A new approach with shape factors in the fracture studies based on radial crack branching and micro-cracking was done. Hardness and modulus plots were fitted with polynomials. The fitting parameters were varied to obtain different hardness and modulus responses.
CITATION STYLE
Bhattacharyya, A. S., Kumar, R. P., Priyadarshi, S., Sonu, Shivam, S., & Anshu, S. (2018). Nanoindentation Stress–Strain for Fracture Analysis and Computational Modeling for Hardness and Modulus. Journal of Materials Engineering and Performance, 27(6), 2719–2726. https://doi.org/10.1007/s11665-018-3289-7
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