Journal of Materials Science

, Volume 31, Issue 10, pp 2653–2660 | Cite as

Catastrophic fracture induced fracto-emission

  • Honglai Tan
  • Wei Yang


Fracto-emissions accompanying crack propagation were observed in recent experiments. The energy impulses during and after each atomistic fracture increment stimulate the fracto-emission. A model of the atomic scale cleavage processes is proposed to formulate a catastrophic fracture theory relevant to these phenomena. A criterion for catastrophic jump of the cleavage potential is applied to representative crystals. We simulate the propagation of the emitted particles along a crack bounded by zigzag surfaces and quantify the long-time delay law of fracto-emissions after fracture.


Polymer Recent Experiment Atomic Scale Cleavage Process Atomistic Fracture 
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Copyright information

© Chapman & Hall 1996

Authors and Affiliations

  • Honglai Tan
    • 1
  • Wei Yang
    • 1
  1. 1.Department of Engineering MechanicsTsinghua UniversityBeijingPeople's Republic of China

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