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Cutting iron foam samples

Hi, I have a sheet of open cell pure iron foam (porosity> 90% , thickness around 2.5 mm), and I would like to prepare 1 cm x 1 cm samples for subsequent compression tests. My foam is ductile and also it can be easily squeezed or bended with hand. I was wondering if I use a big rotatory saw (Bosch 4310, picture attached) to cut long rectangular strips (cuboids) of the foam (20 cm x 1 cm), could it significantly change the mechanical properties of the whole foam sheet, or it would change the mechanical properties of the cutting surface only.

cutting for an aeronautic aluminium alloy(A2024-T351)

Hello every body,

I am working on the simulation of cutting for aluminium alloy (A2024-T351) in abaqus, i use Johnson cook model

I want to introduce several critical values ​​of damage (D1=0.1and D2=0.1,0.5,0.7), how can i do that in abaqus CAE

IF anyone would please help me  

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