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Aplication Johnson - Cook model in simulation of Charpy impact test
Charpy impact test is widely used as a reliable method for brittle fracture characterization of steel materials under high loading rates. In these days, numerical/analytical analysis of studied phenomenon as a valuable information to experimental res...
JL - Únava materiálu a lomová mechanika
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
Plastic deformation at high strain rates
The practical constitutive model which, can describe strain-rate history dependencies of flow stress. The proposed model is characterized by the use of Johnson-Cook equation for flow stress-plastic strain relations at highe...
JG - Hutnictví, kovové materiály
- 1999 •
- D
Rok uplatnění
D - Stať ve sborníku
The Simulation of impact test on R7T steel
Charpy impact is dynamic experiment that we detect material behaviour under high loading rates. Charpy impact test is used as method for brittle farcture characterization. In this work material model based on Johnson ? Cook equa...
JL - Únava materiálu a lomová mechanika
- 2009 •
- D
Rok uplatnění
D - Stať ve sborníku
Evaluation of Constitutive relations for high strain rate behaviour using the Taylor test
The experimental and theoretical procedure for the evaluation of constitutive equation of materials are presented. The Johnson - Cook equation has been used. Results for 7 materials are presented....
JR - Ostatní strojírenství
- 2000 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Constitutive equations for the behaviour of BCC steels at high strain rates
the Johnson -Cook constitutive equations express well the physical parameters be predicted bymeans of constitutive equations. The paper presents constitutive equations for grade 12050.3 carbon steel accor...
JG - Hutnictví, kovové materiály
- 2000 •
- D
Rok uplatnění
D - Stať ve sborníku
High Strain Rates Compression Loading of BCC Steels
Pressure deformation under high rates of strain is studied . The observed behaviour of BCC steels is explained in terms of Johnson Cook constitutive equation....
JR - Ostatní strojírenství
- 2000 •
- D
Rok uplatnění
D - Stať ve sborníku
Determination of Johnson-Cook equation parameters
the parameters of Johnson-Cook equation were determined to obtain the best possible agreement...
JG - Hutnictví, kovové materiály
- 2012 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Determination of the Johnson-Cook Material Model of EN AW 6061-T6511 with evaluation for grooving machining
. The constitutive Johnson-Cook material model regarding strain and strain rate to predict and comparing it with the numerical simulation, the individual parameters of the Johnson-Cook constitutive equation
Mechanical engineering
- 2022 •
- O
Rok uplatnění
O - Ostatní výsledky
Determining Johnson-Cook Constitutive Equation for Low-Carbon Steel via Taylor Anvil Test
the Johnson-Cook constitutive equation. At first, the Taylor anvil test is performed into the equation. Finally, the developed equation is used to numerically simulate the Taylor......
Materials engineering
- 2021 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
Determination of dynamic mechanical properties of steel materials
The contribution includes evalution of the Hopkinson pressure bar test for grade 14220 steel and determination of Johnson-Cook equation by using Taylor Anvil Test....
JG - Hutnictví, kovové materiály
- 2002 •
- D
Rok uplatnění
D - Stať ve sborníku
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