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Chip formation parameters for Johnson-cook model

Chip formation parameters for Johnson-cook model

Chip formation parameters for Johnson-cook model

(OP)
hello

I am working on chip formation process in Abaqus/explicit. however i could not find exaxt parameters. if anyone have the values of Damage evolution for energy type in johnson-cook damage initation for 4340 Steel. and I also need maximum shear stress value, slip stifness and contact overclosure stifness value for contact definition in ABaqus for this material. if anyone help i will be appreciated.

thank you

tahsin

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