Open AccessThe Ring-Pull Assay for Mechanical Properties of Fibrous Soft Tissues – an Analysis of the Uniaxial Approximation and a Correction for Nonlinear Thick-Walled Tissues
Author(s) -
Ryan R. Mahutga,
Carl T. Schoephoerster,
Victor H. Barocas
Publication year - 2020
Publication title -
experimental mechanics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.815
H-Index - 87
eISSN - 1741-2765
pISSN - 0014-4851
DOI - 10.1007/s11340-020-00623-3
Subject(s) - materials science , radius , modulus , anisotropy , ultimate tensile strength , composite material , ring (chemistry) , tensile testing , stress (linguistics) , material properties , finite element method , elastic modulus , nonlinear system , solid mechanics , biomedical engineering , structural engineering , optics , physics , chemistry , medicine , linguistics , computer security , philosophy , organic chemistry , quantum mechanics , computer science , engineering
The ring-pull test, where a ring of tissue is hooked via two pins and stretched, is a popular biomechanical test, especially for small arteries. Although convenient and reliable, the ring test produces inhomogeneous strain, making determination of material parameters non-trivial.