Reversible plastic events in amorphous materials Export

@article{dennin08, abstract = {For crystalline materials, the microscopic origin of plasticity is well understood in terms of the dynamics of topological defects. For amorphous materials, the underlying structural disorder prevents such a description. Therefore identifying and characterizing the microscopic plastic events in amorphous materials remains an important challenge. We show direct evidence for the coexistence of reversible and irreversible plastic events (T1 events) at the microscopic scale in both experiments and simulations of two-dimensional foam. In the simulations, we also demonstrate a link between the reversibility of T1 events and pathways in the potential energy landscape of the system.}, author = {Lundberg, Micah and Krishan, Kapilanjan and Xu, Ning and O'Hern, Corey S. and Dennin, Michael}, citeulike-article-id = {2874117}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PLEEE8000077000004041505000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRE/v77/e041505}, citeulike-linkout-2 = {http://dx.doi.org/10.1103/PhysRevE.77.041505}, doi = {10.1103/PhysRevE.77.041505}, journal = {Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)}, keywords = {2d, dyn-het, foam, shear}, number = {4}, pages = {041505+}, posted-at = {2008-07-01 17:32:40}, priority = {3}, publisher = {APS}, title = {Reversible plastic events in amorphous materials}, url = {http://dx.doi.org/10.1103/PhysRevE.77.041505}, volume = {77}, year = {2008} }

TY - JOUR ID - dennin08 L3 - citeulike-article-id:2874117 N2 - For crystalline materials, the microscopic origin of plasticity is well understood in terms of the dynamics of topological defects. For amorphous materials, the underlying structural disorder prevents such a description. Therefore identifying and characterizing the microscopic plastic events in amorphous materials remains an important challenge. We show direct evidence for the coexistence of reversible and irreversible plastic events (T1 events) at the microscopic scale in both experiments and simulations of two-dimensional foam. In the simulations, we also demonstrate a link between the reversibility of T1 events and pathways in the potential energy landscape of the system. IS - 4 JF - Physical Review E (Statistical, Nonlinear, and Soft Matter Physics) TI - Reversible plastic events in amorphous materials PB - APS VL - 77 SP - 041505 KW - 2d KW - dyn-het KW - foam KW - shear AU - Lundberg, Micah AU - Krishan, Kapilanjan AU - Xu, Ning AU - O'Hern, Corey AU - Dennin, Michael PY - 2008/// UR - http://dx.doi.org/10.1103/PhysRevE.77.041505 ER -