AI Article Synopsis
- The roughness profiles of fracture surfaces in filled rubber were analyzed using height-height correlation functions, revealing anisotropic behavior with different roughness exponents based on direction.
- A two-dimensional analysis indicated the presence of Family-Vicsek scaling, characterized by two specific exponents within a certain range of length scales.
- The observed roughness exponents in the rubber were similar to those found in nonrubber materials, suggesting that ductile fracture processes occur within this specific length scale range.
Article Abstract
Roughness profiles of fracture surfaces formed as a result of the fast crack propagation through a filled rubber were analyzed by means of the height-height correlation functions. The fracture surface was found to be anisotropic in a certain domain of values of length scales; i.e., different values of roughness exponents are observed across and along the crack propagation direction. A two-dimensional analysis reveals a Family-Vicsek scaling in this domain characterized as well by two exponents. These characteristic values of the roughness exponents are found to be close to those observed for fracture surfaces of certain nonrubber materials at length scales smaller than the size of the fracture process zone. Hence, a ductile fracture process can be surmised to occur within the domain of the corresponding length scales.
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| http://dx.doi.org/10.1103/PhysRevE.80.046120 | DOI Listing |
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