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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F12%3APU95873%21RIV13-MSM-26210___
rdf:type
skos:Concept n14:Vysledek
dcterms:description
Nanoindentation is considered to be a very promising experimental approach to measuring the ideal shear strength since the stressed volume beneath the sharp indenter may be defect-free. The local shear component of the stress reaches its maximum value at some close distance from the indenter in the bulk. The value of the stress can reach the ideal shear strength and, consequently become high enough to nucleate dislocations. This process might be detected as a pop-in on the nanoindentation load-displacement curve. To model the nanoindentation test for that purpose, three different approaches have been used in this works. The first approach is based on the analytical Hertzian solution of the stress field beneath the nanoindenter where only a continuum mechanics is taken into account. The second concept is based on the numerical solution without crystallographic considerations and the third one respects the fact that the dislocation generation in the substrate is subjected to crystallographic rules. The Nanoindentation is considered to be a very promising experimental approach to measuring the ideal shear strength since the stressed volume beneath the sharp indenter may be defect-free. The local shear component of the stress reaches its maximum value at some close distance from the indenter in the bulk. The value of the stress can reach the ideal shear strength and, consequently become high enough to nucleate dislocations. This process might be detected as a pop-in on the nanoindentation load-displacement curve. To model the nanoindentation test for that purpose, three different approaches have been used in this works. The first approach is based on the analytical Hertzian solution of the stress field beneath the nanoindenter where only a continuum mechanics is taken into account. The second concept is based on the numerical solution without crystallographic considerations and the third one respects the fact that the dislocation generation in the substrate is subjected to crystallographic rules. The
dcterms:title
Comparison of Solutions of Stress Field based on Hertzian and Combined Numerical-Crystallographic Approaches beneath Nanoindenter Comparison of Solutions of Stress Field based on Hertzian and Combined Numerical-Crystallographic Approaches beneath Nanoindenter
skos:prefLabel
Comparison of Solutions of Stress Field based on Hertzian and Combined Numerical-Crystallographic Approaches beneath Nanoindenter Comparison of Solutions of Stress Field based on Hertzian and Combined Numerical-Crystallographic Approaches beneath Nanoindenter
skos:notation
RIV/00216305:26210/12:PU95873!RIV13-MSM-26210___
n14:predkladatel
n19:orjk%3A26210
n3:aktivita
n9:Z
n3:aktivity
Z(MSM0021630518)
n3:dodaniDat
n18:2013
n3:domaciTvurceVysledku
n6:9413030 n6:5016908 n6:8275858
n3:druhVysledku
n17:D
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n21:predkladatel
n3:idSjednocenehoVysledku
128037
n3:idVysledku
RIV/00216305:26210/12:PU95873
n3:jazykVysledku
n16:eng
n3:klicovaSlova
Nanoindentation, Hertzian approach, Numerical solution, Pop-in effect, Crystallography
n3:klicoveSlovo
n5:Pop-in%20effect n5:Crystallography n5:Hertzian%20approach n5:Nanoindentation n5:Numerical%20solution
n3:kontrolniKodProRIV
[704EED1B7700]
n3:mistoKonaniAkce
Dubrovnik
n3:mistoVydani
Neuveden
n3:nazevZdroje
Advances in Fracture and Damage Mechanics X
n3:obor
n11:JL
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:rokUplatneniVysledku
n18:2012
n3:tvurceVysledku
Pokluda, Jaroslav Šandera, Pavel Horníková, Jana
n3:typAkce
n22:WRD
n3:wos
000306531200098
n3:zahajeniAkce
2011-09-19+02:00
n3:zamer
n12:MSM0021630518
s:numberOfPages
4
n20:hasPublisher
Neuveden
n13:isbn
978-3-03785-218-7
n7:organizacniJednotka
26210