Fracture Toughness Transferability: From The
Standard IT Specimen To The Pre-cracked
Charpy Specimen
Author(s)
V. Kozak, M. Holzmann & I. Dlouhy
Abstract
The transferability of results obtained on the small pre-cracked Charpy
specimens is studied and the method of the master curve (MC) is applied for the
cast low carbon manganese steel. The large (IT) specimen is required for
determining the reference transition temperature, TO, which is taken as a basic
material characteristic positioning the MC on the temperature axis. Additionally,
the small pre-cracked Charpy type specimens have been used for determining
the fracture transition behaviour and for measurement of fracture toughness. The
corrected results were also used for determining the TQ. After the size correction
and Q correction of results to 1T, using the weakest link theory and the local
approach, have been a
Keywords
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