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Cyclic Indentation of Iron: A Comparison of Experimental and Atomistic Simulations

  • Cyclic indentation is a technique used to characterize materials by indenting repeatedly on the same location. This technique allows information to be obtained on how the plastic material response changes under repeated loading. We explore the processes underlying this technique using a combined experimental and simulative approach. We focus on the loading–unloading hysteresis and the dependence of the hysteresis width ha,p on the cycle number. In both approaches, we obtain a power-law demonstrating ha,p with respect to the hardening exponent e. A detailed analysis of the atomistic simulation results shows that changes in the dislocation network under repeated indentation are responsible for this behavior.
Author:Shayan DeldarORCiD, Iyad Alabd Alhafez, Marek Smaga, Tilmann Beck, Herbert M. UrbassekORCiD
URN (permanent link):urn:nbn:de:hbz:386-kluedo-58036
Parent Title (English):Metals
Document Type:Article
Language of publication:English
Publication Date:2019/05/10
Year of Publication:2019
Publishing Institute:Technische Universität Kaiserslautern
Date of the Publication (Server):2019/12/04
Issue:2019, 9 (5)
Number of page:14
Faculties / Organisational entities:Fachbereich Maschinenbau und Verfahrenstechnik
DDC-Cassification:5 Naturwissenschaften und Mathematik / 530 Physik
Licence (German):Zweitveröffentlichung