## What is a good constitutive model for isotropic metals?

## What is a good constitutive model for isotropic metals?

(OP)

I am currently modelling the transverse compression of a gold fibre using FEA software, and I was wondering what plasticity model would be good. I'm thinking of using Johnson-Cook's plasticity model, but I then have no idea where to get the necessary parameters. If there is no good model, where can I obtain the values for stress-strain curves?

Sorry if my post is vague, I'm extremely new in this field and could use some enlightening.

Sorry if my post is vague, I'm extremely new in this field and could use some enlightening.

## RE: What is a good constitutive model for isotropic metals?

## RE: What is a good constitutive model for isotropic metals?

Is there any catalog out there which has stress-strain data for materials? I found Boyer's Atlas of Stress-Strain Curves, but it fortunately does not have the data for gold.

## RE: What is a good constitutive model for isotropic metals?

## RE: What is a good constitutive model for isotropic metals?

## RE: What is a good constitutive model for isotropic metals?

## RE: What is a good constitutive model for isotropic metals?

What did you find, may I ask?