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Frictional ageing from interfacial bonding and the origins of rate and state friction

Author

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  • Qunyang Li

    (University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Present address: School of Aerospace, Tsinghua University, Beijing 100084, China.)

  • Terry E. Tullis

    (Brown University, Providence, Rhode Island 02912, USA)

  • David Goldsby

    (Brown University, Providence, Rhode Island 02912, USA)

  • Robert W. Carpick

    (University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA)

Abstract

Chemical bonds add strength to faults Earthquakes are the result of unstable slip at faults, a function of the frictional properties of the rock surfaces that are in contact at the fault. Contacts between rock surfaces are known to strengthen over time, a little-understood phenomenon known as the evolution effect. Qunyang Li and co-authors present the results of atomic force microscopy experiments that show that frictional ageing on the contacts between rock surfaces arises from the formation of interfacial chemical bonds. The large magnitude of the effect at the nanoscale is quantitatively consistent with that required to explain observations in macroscopic rock friction experiments.

Suggested Citation

  • Qunyang Li & Terry E. Tullis & David Goldsby & Robert W. Carpick, 2011. "Frictional ageing from interfacial bonding and the origins of rate and state friction," Nature, Nature, vol. 480(7376), pages 233-236, December.
    • Handle: RePEc:nat:nature:v:480:y:2011:i:7376:d:10.1038_nature10589
    DOI: 10.1038/nature10589
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    Cited by:

    1. Songlin Shi & Meng Wang & Yonatan Poles & Jay Fineberg, 2023. "How frictional slip evolves," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    2. Kasra Farain & Daniel Bonn, 2023. "Predicting frictional aging from bulk relaxation measurements," Nature Communications, Nature, vol. 14(1), pages 1-6, December.

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