Importance of precipitation on the slowdown of creep behaviour induced by pressure-solution
Fuente:
arXiv
Guardado en:
| Autores principales: | , , |
|---|---|
| Formato: | Preprint |
| Publicado: |
2024
|
| Materias: | |
| Acceso en línea: | |
| Etiquetas: |
Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
|
| _version_ | 1866911551626149888 |
|---|---|
| author | Sac-Morane, Alexandre Rattez, Hadrien Veveakis, Manolis |
| author_facet | Sac-Morane, Alexandre Rattez, Hadrien Veveakis, Manolis |
| contents | Pressure-solution is a chemo-mechanical process, involving dissolution at grain/asperity contacts and precipitation away from them. It induces a compaction in time of rocks and sediments. The present study investigates numerically the impact of precipitation on the slowdown of creep behavior induced by pressure-solution. A recently published framework, called the Phase-Field Discrete Element Model, is carefully calibrated against existing indentation experiments and validated for other rate-limiting scenarios. It is shown that when precipitation is relatively slow, the slowdown of pressure-solution is due to a chemical mechanism (accumulation of solute concentration within the pore space), whereas, at fast precipitation, the slowdown is due to a mechanical mechanism (stress reduction at the contact). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_01775 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Importance of precipitation on the slowdown of creep behaviour induced by pressure-solution Sac-Morane, Alexandre Rattez, Hadrien Veveakis, Manolis Materials Science Geophysics Pressure-solution is a chemo-mechanical process, involving dissolution at grain/asperity contacts and precipitation away from them. It induces a compaction in time of rocks and sediments. The present study investigates numerically the impact of precipitation on the slowdown of creep behavior induced by pressure-solution. A recently published framework, called the Phase-Field Discrete Element Model, is carefully calibrated against existing indentation experiments and validated for other rate-limiting scenarios. It is shown that when precipitation is relatively slow, the slowdown of pressure-solution is due to a chemical mechanism (accumulation of solute concentration within the pore space), whereas, at fast precipitation, the slowdown is due to a mechanical mechanism (stress reduction at the contact). |
| title | Importance of precipitation on the slowdown of creep behaviour induced by pressure-solution |
| topic | Materials Science Geophysics |
| url | https://arxiv.org/abs/2412.01775 |