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Home > Forums > Chemical Engineers > Materials > Chemical coatings engineering Forum

residual stresses of thermal spray coating process

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AlDeak (Materials)

16 Jun 11 5:24

Hi,

I'm trying to simulate a thermal spray coating process, with COMSOL Multyphycis v4.0a.

My model is a multiple-layer Fe3Al / Al2O3 gradient coating on carbon steel substrate. I use a 2D axisymmetric geometry.

3 steps are needed to simulate the deposition of each layer :
- pre-heating of the substrate (or pre-deposited layer) (h=300 W/m².K and T=3000K)
- deposition of the coating layer
- cooling-down

The coating is composed of 5 layers.

I use 6 physics "Heat Transfer" for the thermal analysis. I would like to know how to use the final temperature of layer N as initial temperature of layer N + 1 .

Thanks for your help!

Alexis

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