Creep failure in heterogeneous materials from the barrier landscape

Abstract

Stressed under a constant load, materials creep with a final acceleration of deformation and for any given applied stress and material, the creep failure time can strongly vary. We investigate creep on sheets of paper and confront the statistics with a simple fiber bundle model of creep failure in a disordered landscape. In the experiments, acoustic emission event times tj were recorded, and both this data and simulation event series reveal sample-dependent history effects with log-normal statistics and non-Markovian behavior. This leads to a relationship between tj and the failure time tf with a power law relationship, evolving with time. These effects and the predictability result from how the energy gap distribution develops during creep.

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BibTeX RIS

BibTeX

@article{veranoespitia2026creep,
  title = {{Creep failure in heterogeneous materials from the barrier landscape}},
  author = {Juan Carlos Verano-Espitia and Tero Mäkinen and Mikko J Alava and Jérôme Weiss},
  journal = {Physical Review E},
  year = {2026},
  month = oct,
  doi = {10.1103/xbnt-6csz},
  eprint = {2507.00661},
  archivePrefix = {arXiv},
  url = {https://hal.science/hal-05795569v1},
  note = {CC BY-NC-ND 4.0},
}

RIS

TY  - JOUR
TI  - Creep failure in heterogeneous materials from the barrier landscape
AU  - Juan Carlos Verano-Espitia
AU  - Tero Mäkinen
AU  - Mikko J Alava
AU  - Jérôme Weiss
PY  - 2026
DA  - 2026/10/13
JO  - Physical Review E
DO  - 10.1103/xbnt-6csz
UR  - https://hal.science/hal-05795569v1
AB  - Stressed under a constant load, materials creep with a final acceleration of deformation and for any given applied stress and material, the creep failure time can strongly vary. We investigate creep on sheets of paper and confront the statistics with a simple fiber bundle model of creep failure in a disordered landscape. In the experiments, acoustic emission event times tj were recorded, and both this data and simulation event series reveal sample-dependent history effects with log-normal statistics and non-Markovian behavior. This leads to a relationship between tj and the failure time tf with a power law relationship, evolving with time. These effects and the predictability result from how the energy gap distribution develops during creep.
SN  - 2470-0045
SN  - 2470-0053
ER  -

Abstract

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