A novel 2-bar/double-shear impact (2B/2SI) loading technique is used to study the dynamic mode II (shear) fracture characteristics of Ti–6Al–4V. The new specimen design, be in combination with a standard split Hopkinson pressure bar, circumvent classical limitations associated conventional one-point methods. This paper presents combined experimental-numerical approach determining toughness Ti–6...

Abstract This article deals with problem of determination condition at the crack front specimens nitrided surface layer. The conditions is realized using HRR theory stress field. COD obtained by fractographic analysis were used as input values for calculations method determining was applied to samples fatigue crack, loaded Push-pull mode and further torsion, bending their combination. 3D recons...

This paper deals with a three-component aluminum alloy AlMg4.5Mn that was welded using GTAW process in the shielded atmosphere of Ar+70%He+0.015%N2. The weld-metal toughness evaluated at three different temperatures instrumental Charpy pendulum impact testing to measure not only total energy, but also crack initiation energy and growth energy. Fractographic analysis fracture surfaces EDS large ...