Issue 77

M. Rehaman et alii, Fracture and Structural Integrity, 77 (2026) 45-55; DOI: 10.3221/IGF-ESIS.77.04

On the relationship between crack initiation angle and loading equivalent angle for asymmetric Three-Point Bend Specimens under mixed-mode I/II loading based on GMPZR criterion Mujebur Rehaman Department of Mechanical Engineering, PES Institute of Technology & Management, Shivamogga 577204, Visvesvaraya Technological University, Belagavi, India. mujebur.rehaman@pestrust.edu.in Manjunath Patel G C Department of Mechanical Engineering, Sahyadri College of Engineering & Management, Mangaluru 575007, Visvesvaraya Technological University, Belagavi, India. manjunath.me@sahyadri.edu.in Mohan T R Department of Mechanical Engineering, Bapuji Institute of Engineering and Technology, Davangere -577004, Visvesvaraya Technological University, Belagavi, India. mohantrdvg@gmail.com S K Kudari National Institute of Technology Goa, Cuncolium, South Goa District Goa 403 703, India s.kudari@rediffmail.com Sharnaprabhu C M Department of Mechanical Engineering, PES Institute of Technology & Management, Shivamogga 577204, Visvesvaraya Technological University, Belagavi, India. cmsharanaprabhu@rediffmail.com

Citation: Rehman, M., Patel, M. G. C., Mohan, T. R., Kudari, S. K., Sharnaprabhu, C. M., On the relationship between crack initiation angle and loading equivalent angle for asymmetric Three-Point Bend Specimens under mixed-mode I/II loading based on GMPZR criterion, Fracture and Structural Integrity, 77 (2026) 45-55.

A BSTRACT . In this work, the prediction of crack initiation angle ( θ o ) under mixed mode (I/II) load is estimated from the generalized minimum plastic zone radius (GMPZR) criterion. The paper presents a detailed study on the crack-tip plastic core for asymmetric three-point bend (TPB) specimens of

Received: 05.01.2026 Accepted: 31.03.2026 Published: 04.04.2026 Issue: 07.2026

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