The influence of a surface quality on measuring mechanical properties with a cylindrical indenter

Show simple item record Hanus, Petr cze Zíta, Dušan cze Malina, Jiří cze 2017-05-11T10:56:26Z 2017-05-11T10:56:26Z 2016 eng
dc.identifier.isbn 978-80-87294-67-3 eng
dc.identifier.issn eng
dc.description.abstract The aim of the work is to develop a new method for yield strength determination of chosen corrosion resistant steels using the micro-indentation measurements. The main advantage of such method is a demand for minimal amount of analyzed material. In the frame of the experiment, the elastic-plastic behavior of special corrosion-resistant - ferritic, martensitic and austenitic - steels was investigated. These steel types are partly suitable for nuclear energetics and also for other fields with high demands on steel quality. The experiment is focused on discovering and defining of such surface quality which would be optimal for maximal yield strength evaluation accuracy determined by micro-indentation measurements, and along with on finding the strengthening trend of the steel types investigated. As the main tool for the evaluation, of the elastic-plastic response, the methodology based on the instrumented penetration test by means of 0.7 mm indenter diameter was chosen. The basic principle of the experiment was comparing evaluated yield strength with help of micro-indenter and those determined by classical tensile test. This paper also deals with FEM simulation of indentation by a flat-ended cylindrical punch into elastic-plastic material with assumed rough contact surfaces. This work shows one of the ways how to include the influence of rough surface into numerical calculation without requiring all asperities of contacting rough surfaces modelled by the finite elements in detail. The influence of the rough surface in combination with the elastic-plastic materials behavior on the shape of the loading curve is subject of this study. eng
dc.format p. 712-717 eng
dc.language.iso eng eng
dc.publisher TANGER, spol. s r.o. eng
dc.relation.ispartof METAL 2016: 25th International Conference on Metallurgy and Materials eng
dc.rights Pouze v rámci univerzity eng
dc.subject mechanical properties eng
dc.subject indentation method eng
dc.subject tensile test eng
dc.subject elastic-plastic behavior eng
dc.subject finite element method simulation eng
dc.subject mechanické vlastnosti cze
dc.subject indentační metoda cze
dc.subject tahová zkouška cze
dc.subject elasticko-plastické chování cze
dc.subject metoda konečných prvků cze
dc.title The influence of a surface quality on measuring mechanical properties with a cylindrical indenter eng
dc.title.alternative Vliv kvality povrchu na měření mechanických vlastností pomocí válcového indentoru cze
dc.type ConferenceObject eng
dc.description.abstract-translated Článek pojednává o měření mechanických vlastností pomocí válcového indentoru. Pro podporu měření a možnostech získávání více parametrů složila podpora FEM. cze
dc.event METAL 2016: 25th International Conference on Metallurgy and Materials (25.05.2016 - 27.05.2016) eng
dc.peerreviewed yes eng
dc.publicationstatus postprint eng
dc.identifier.wos 000391251200114
dc.identifier.scopus 2-s2.0-85010715559
dc.identifier.obd 39878563 eng

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