The dynamic yield stress for Charpy v-notch specimens of ferritic steels can be estimated from the following equation:
dynamic yield stress = 2.99PGYW/Bb2
where W=B=10 mm for full-size Charpy v-notch specimen and b0 is the initial ligament depth and PGY is the general yield load.
how can we calculate general yield load to calculate dynamic yield stress?
S.D. Pathak
An instrumented impact system can give load-displacement data for further analysis of the curve..
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Nitin Saini
thanks, sir, but I have done simple Charpy toughness test (without instrument)
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