Issue 72

S. C. Pandit et alii, Frattura ed Integrità Strutturale, 72 (2025) 46-61; DOI: 10.3221/IGF-ESIS.72.05

zero, additional resistance is observed due to friction between the contact surface of puncher-to-specimen and die-to specimen.

(a)

(b)

(c) Figure 4: Effect of plastic hardening on force-displacement curve (a) µ = 0 (frictionless), (b) µ = 0.2 and (c) µ = 0.7

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