期刊
PHYSICAL REVIEW LETTERS
卷 107, 期 23, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.235501
关键词
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资金
- James S. McDonnell Foundation
- Harold Perlman Family Foundation
- Robert Rees Applied Research Fund
- Weizmann Institute of Science
- Israel Science Foundation [1109/09]
- German-Israeli Project Cooperation
We propose a friction model which incorporates interfacial elasticity and whose steady state sliding relation is characterized by a generic nonmonotonic behavior, including both velocity weakening and strengthening branches. In 1D and upon the application of sideway loading, we demonstrate the existence of transient cracklike fronts whose velocity is independent of sound speed, which we propose to be analogous to the recently discovered slow interfacial rupture fronts. Most importantly, the properties of these transient inhomogeneously loaded fronts are determined by steady state front solutions at the minimum of the sliding friction law, implying the existence of a new velocity scale and a forbidden gap of rupture velocities. We highlight the role played by interfacial elasticity and supplement our analysis with 2D scaling arguments.
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