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Johnson cook damage parameters for Polycarbonate

thread799-411336

Johnson cook damage parameters for Polycarbonate

Johnson cook damage parameters for Polycarbonate

(OP)
Hello all,

I am trying to simulate machining of polycarbonate. when I defined the contact conditions as surface to surface master slave. I dont find chip formation instead the elements get excessively deformated and finally no separation of chip.

Does any one have idea of damage paramaters for polycarbonate. Please let me know.

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