Nonlinear crack dynamics and scaling aspects of fracture (experimental and theoretical study)
Source abstract
Abstract
Nonlinear dynamics of crack propagation are investigated experimentally and theoretically with the goal of clarifying the nature of limiting crack velocity, the transition from steady state to branching regimes of crack dynamics, and the dynamics of crack arrest. The theoretical explanation of limiting steady-state crack velocity and the transition to a branching regime was proposed due to the study of collective behavior of a microcrack ensemble at the crack tip area. The experimental study of crack dynamics was carried out in a preloaded plate PMMA specimen using the high-speed camera coupled with the photo-elasticity method, the point stress recording with a laser system, and the failure surface roughness measurement.
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Research context
OpenAlex topics: Ultrasonics and Acoustic Wave Propagation · High-Velocity Impact and Material Behavior · Fatigue and fracture mechanics
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References (18)
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