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Dislocation arrangements in cyclically strained Inconel 713 LC
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SYSNO ASEP 0047301 Document Type A - Abstract R&D Document Type The record was not marked in the RIV R&D Document Type Není vybrán druh dokumentu Title Dislocation arrangements in cyclically strained Inconel 713 LC Title Dislokační uspořádání cyklicky deformovaného Inconelu 713 LC Author(s) Petrenec, Martin (UFM-A)
Obrtlík, Karel (UFM-A) RID, ORCID
Polák, Jaroslav (UFM-A) RID, ORCIDSource Title Fracture of Nano and Engineering Materials and Structures : proceedings. - Dordrecht : Springer, 2006 / Gdoutos E.E. - ISBN 1-4020-4971-4
S. 883-884Number of pages 2 s. Action European Conference of Fracture /16./ Event date 03.07.2006-07.07.2006 VEvent location Alexandroupolis Country GR - Greece Event type WRD Language eng - English Country NL - Netherlands Keywords Dislocation arrangement ; superalloy Inconel 713 LC ; high temperature fatigue Subject RIV JL - Materials Fatigue, Friction Mechanics R&D Projects 1QS200410502 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) GP106/05/P521 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20410507 - UFM-A (2005-2011) Annotation Dislocation arrangement was studied in cast polycrystalline INCONEL 713LC superalloy cyclically strained to failure at 300K,773K,973K and 1073K temperatures.The characteristic dislocation substructures and their evolution in cyclic straining with different strain amplitudes up to fracture were documented.3D-dimensional dislocation arrangement in individual grains was determined using the technique of oriented foils in transmission electron microscope.Planar dislocation arrangements in the form of bands parallel to the{111}planes were observed in specimens cycled at all temperatures.These bands passing through both the channels and the precipitates are formed as ladder-like bands at room temperature and as thin slabs of high dislocation density at high temperatures.They represent the zones of cyclic plastic strain localization in the material.Surface observation revealed pronounced slip markings with extrusions and intrusions and crack initiation along slip markings at room temperature. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2007
Number of the records: 1