The image above shows some synthetic test data created from the Johnson-Cook material model given by this conference paper (note that temperatures are shown in the image's legend). 

CONSTITUTIVE MODEL CONSTANTS FOR Al7075T651 and Al7075T6

N. S. Brar, V. S. Joshi, and B. W. Harris

Citation: AIP Conf. Proc. 1195, 945 (2009); doi: 10.1063/1.3295300

View online: http://dx.doi.org/10.1063/1.3295300

The Abaqus material model used to generate the synthetic test data is given here:

(units are N, mm, MPa)

*MATERIAL, NAME = AL7075T6
*ELASTIC
70000.0, 0.33
*PLASTIC, HARDENING = JOHNSON COOK
** A        B        n       m    Thmelt  Thtrans
  546,   678,    0.71, 1.56,   600,     22.0
*Rate Dependent, Type=Johnson Cook
**  C      edot
  0.024,  1.0

The purpose of this post is to show an example of calibrating the Johnson-Cook plasticity model for test data that spans temperatures. Recall that the Johnson-Cook model equation is:

Setting the parameter "m" = 0 makes this model insensitive to temperature.

The video below was created on August 14, 2023, using version R2023x HotFix 3.18 of the 3DExperience platform.    The test data is realistic, but synthetic. As I created the synthetic data, I decided to make the Elastic Modulus a constant (not a function of temperature).

The zip file below contains the Abaqus .inp files used to generate the synthetic test data, the Excel file of synthetic test data and a .3dxml file that contains the test data.

Back to:  Sharing Material Test Data

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