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Prediction of Fracture Behavior of 20MnCr5 and S275JR Steel Based on Numerical Crack Driving Force Assessment (CROSBI ID 207830)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Vukelić, Goran ; Brnić, Josip Prediction of Fracture Behavior of 20MnCr5 and S275JR Steel Based on Numerical Crack Driving Force Assessment // Journal of materials in civil engineering, 27 (2015), 3; 14132-14132. doi: 10.1061/(ASCE)MT.1943-5533.0001071

Podaci o odgovornosti

Vukelić, Goran ; Brnić, Josip

engleski

Prediction of Fracture Behavior of 20MnCr5 and S275JR Steel Based on Numerical Crack Driving Force Assessment

Two types of steel, 20MnCr5 and S275JR, are compared in this paper based on numerical prediction of their fracture behavior. The comparison was made using the numerically determined J-integral, an important fracture mechanics parameter. For that reason, a numerical algorithm that calculates the J-integral as a measure of crack driving force was developed. As an input, the algorithm uses results from the finite element analysis conducted on numerical models of two types of specimens usually used in experimental fracture investigations, single-edge notched bend (SENB) and disc compact type (DCT). The J-integral results obtained are plotted versus specimen crack growth size (Δa) for a range of specimens’ initial crack sizes (a/W=0.25, 0.5, 0.75).

crack; fracture; crack driving force; single-edge notched bend (SENB) specimen; disc compact type (DCT)

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Podaci o izdanju

27 (3)

2015.

14132-14132

objavljeno

0899-1561

10.1061/(ASCE)MT.1943-5533.0001071

Povezanost rada

Brodogradnja, Strojarstvo, Temeljne tehničke znanosti

Poveznice
Indeksiranost