Discontinuous Crack Fronts of Three-Dimensional Fractures
Yoshimi Tanaka, Koji Fukao, Yoshihisa Miyamoto, and Ken Sekimoto
TL;DR
This paper investigates the relationship between fracture surface morphology and 3D crack front structures in brittle gels, emphasizing the importance of crack front discontinuities in fracture surface formation.
Contribution
It introduces the concept of crack front discontinuities and explores their role in shaping fracture surfaces in three-dimensional brittle fractures.
Findings
Discontinuous crack fronts are observed in brittle gel fractures.
Crack front discontinuities significantly influence fracture surface morphology.
The study highlights the importance of 3D crack front analysis in fracture mechanics.
Abstract
The relation between fracture surface morphology and the three-dimensional structure of crack fronts is investigated through direct observation of brittle cracks in gels. A key notion in this investigation is the discontinuity of the crack front, whose advancement creates the fracture surface. We discuss the significance of our findings in the studies of general three-dimensional brittle fractures.
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