Experimental investigation on the nanoindentation viscoelastic constitutive model of quartz and kaolinite in mudstone Changlun Sun China University of Mining and Technology https://orcid.org/0000-0003-0427-1492 Guichen Li ( [email protected] ) Gomah Mohamed Elgharib Al Azhar University - Gaza Jiahui Xu China University of Mining and Technology Haoyu Rong China University of Mining and Technology Research Keywords: mudstone, constituents, viscoelastic properties, TNIT, creep constitutive model Posted Date: July 25th, 2020 DOI: https://doi.org/10.21203/rs.3.rs-30767/v2 License: This work is licensed under a Creative Commons Attribution 4.0 International License. Read Full License Version of Record: A version of this preprint was published on February 9th, 2021. See the published version at https://doi.org/10.1007/s40789-020-00393-2.