Journal
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Volume 113, Issue 39, Pages 10813-10817Publisher
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1501169113
Keywords
failure; metamaterials; jamming; cracks; glasses
Categories
Funding
- NSF [DMR-1404841]
- Foundation for Fundamental Research on Matter
- Netherlands Organisation for Scientific Research
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1404841] Funding Source: National Science Foundation
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We investigate how material rigidity acts as a key control parameter for the failure of solids under stress. In both experiments and simulations, we demonstrate that material failure can be continuously tuned by varying the underlying rigidity of the material while holding the amount of disorder constant. As the rigidity transition is approached, failure due to the application of uniaxial stress evolves from brittle cracking to system-spanning diffuse breaking. This evolution in failure behavior can be parameterized by the width of the crack. As a system becomes more and more floppy, this crack width increases until it saturates at the system size. Thus, the spatial extent of the failure zone can be used as a direct probe for material rigidity.
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