Detail publikace

Determination of Johnson-Cook equation parameters

ŠLAIS, M. DOHNAL, I. FOREJT, M.

Originální název

Determination of Johnson-Cook equation parameters

Typ

článek v časopise - ostatní, Jost

Jazyk

angličtina

Originální abstrakt

The paper deals with the influence of strain rate on the mechanical behaviour of the Ti-6Al-4V titanium alloy. After verification tests under static loading conditions, the specimens were deformed at high strain rates using the device for the Taylor anvil test. Results of an image analysis of deformed specimens from the Taylor anvil test were used as a reference for the comparison of experiment and computer simulation in the ANSYS LS-DYNA 3D program. Using a new developed algorithm the parameters of Johnson-Cook equation were determined to obtain the best possible agreement between deformed shapes obtained by numerical simulation and by real experiment.

Klíčová slova

finite element modeling, constitutive equations, titanium alloys

Autoři

ŠLAIS, M.; DOHNAL, I.; FOREJT, M.

Rok RIV

2012

Vydáno

12. 9. 2012

Místo

Košice

ISSN

1335-1532

Periodikum

Acta Metallurgica Slovaca

Ročník

2012

Číslo

3

Stát

Slovenská republika

Strany od

125

Strany do

132

Strany počet

8

BibTex

@article{BUT96739,
  author="Miroslav {Šlais} and Ivo {Dohnal} and Milan {Forejt}",
  title="Determination of Johnson-Cook equation parameters",
  journal="Acta Metallurgica Slovaca",
  year="2012",
  volume="2012",
  number="3",
  pages="125--132",
  issn="1335-1532"
}