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Slip bands and early crack propagation in ultra fine-grained copper
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SYSNO ASEP 0025137 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Slip bands and early crack propagation in ultra fine-grained copper Title Skluzové pásy a ranné šíření trhlin v ultrajemnozrnné mědi Author(s) Buksa, Michal (UFM-A)
Kunz, Ludvík (UFM-A) RID, ORCID
Svoboda, Milan (UFM-A) RID, ORCIDSource Title TRANSCOM 2005, Section 6. Material Engineering, Mechanical Engineering, Technologies. - Žilina : University of Žilina, 2005 - ISBN 80-8070-418-X Pages s. 19-22 Number of pages 4 s. Action Young Research and Science Workers in Transport and Telecommunications /6./ Event date 27.06.2005-29.06.2005 VEvent location Žilina Country SK - Slovakia Event type WRD Language eng - English Country SK - Slovakia Keywords ultra fine grained copper ; shear bands ; fatigue crack initiation Subject RIV JG - Metallurgy R&D Projects GD106/05/H008 GA ČR - Czech Science Foundation (CSF) 1P05ME804 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z20410507 - UFM-A (2005-2011) Annotation Fatigue loading of ultra fine-grained Cu prepared by equal channel angular pressing (ECAP) results in development of shear bands at the specimen surface. They are sites of crack initiation both in low- and high-cycle fatigue. Their density and shape at given place is dependent on the mutual orientation of the normal to the surface, slip direction in the last ECAP shear plane and direction of loading. The equiaxed dislocation structure produced by ECAP is not prone to the coarsening due to cyclic loading. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2006
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