Purnashis Chakraborty

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Questions related from Purnashis Chakraborty

Why does Fracture Strain and Fracture Toughness increases with increase in strain rate, for aluminum alloys ?

Dear all researchers, I observed that Fracture Strain and Fracture Toughness of Aluminum Alloys depends upon the strain rate, as we increase the stain rate Fracture Strain and Fracture Toughness...

21 January 2018 6,288 16 View

How to evaluate Johnson-Cook material constant (A,B,n,C,m) from a true stress vs true strain data?

I have some experimental data from tension tests,compression tests on a material and need to formulate a model using Johnson cook's approach (paper: "A Constitutive model and data for metals...

22 February 2017 5,258 7 View