We tested Aluminium, Mild Steel, and Quenched Steel each at -60 C, 0 C, and 80 C. Then we had to sketch the samples, and now roughly calculate the percentage of fibourous fracture of the samples. How do I do this? Is it just the % ductile of each sample?How do you roughly calculate the percentage of fibrous fracture of matrials from a Charpy Impact Test?
If your sketch is to scale, you can measure the area of the total fracture surface and then measure the area of the fracture that is "fibrous" (which is not a very good way to describe ductile fracture, why not refer to it as ductile???). Then calculate the percentage that is ductile.
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