Determining the true stress-strain relationship by depth sensing indentation on two structural materials

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23210%2F10%3A00503438" target="_blank" >RIV/49777513:23210/10:00503438 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Determining the true stress-strain relationship by depth sensing indentation on two structural materials
Original language description
The aim of this paper is the determination of the true stres - true strain - curves by depth sensning indentation (DSI) on both aluminium (AA6063) and steel (St 52) using a spherical indentation. Hardness, H, indentaion modulus E´, and a part of the indentation stress-strain, curve were determined using a spherical indenter with 600um diameter using a NanoIndenter XP with CSM technique. Yield strength was defined as Rp0,2 for DSI. Uniaxial tensile test were performed for comparison of both techniques. The stress-strain curves obtained on basis of DSI technique agree within 10% accuracy with the values obtained from tensile tests. The deviations were attribudetd the unaccounted pile-up effects.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JJ - Other materials
OECD FORD branch
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Project
<a href="/en/project/MEB080869" target="_blank" >MEB080869: Application of spherical instrumented indentation for evaluation strenght properties and toughness of constructional materials</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2010
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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