Influence of control parameters on the crack paths in the aluminum alloy 2024 under bending
Journal Title: Frattura ed Integrità Strutturale - Year 2015, Vol 9, Issue 34
Abstract
The paper presents development of crack paths in aluminium alloy 2024. Fatigue tests were carried out for specimens with rectangular cross-section. The specimens were put to bending at controlled energy parameter amplitude and bending moment amplitude. The proposed method of conducting research with the controlled energy parameter has been presented in [1]. The energy parameter model proposed by Macha has been used in the tests. Tests with controlled energy parameter amplitude allow observing crack growth depending on maximum shearing stress surface. Tests with controlled bending moment amplitude allowed observing two types of crack paths.
Authors and Affiliations
E. Marcisz, D. Rozumek, Z. Marciniak
Use of Circumferentially Cracked Bar sample for CTOD fracture toughness determination in the upper shelf regime
In this work, the use of circumferentially cracked bar (CCB) sample to determine material fracture toughness in the upper shelf regime for carbon steels has been investigated. Since high fracture toughness materi...
On the notch sensitivity of cast iron under multi-axial fatigue loading
This work deals with the notch sensitivity of sharp notches under multi-axial fatigue loading. The main discussion concerns the differences in notch sensitivity at high cycle fatigue regime, between tensile, tors...
Bond-slip analysis via a cohesive-zone model simulating damage,friction and interlocking
A recently proposed cohesive-zone model which effectively combines damage, friction andmechanical interlocking has been revisited and further validated by numerically simulating the pull-out test,from a concrete bl...
Welding sequence effects on residual stress distribution in offshore wind monopile structures
Residual stresses are often inevitably introduced into the material during the fabrication processes, such as welding, and are known to have significant effects on the subsequent fatigue crack growth behavior of&n...
Indentation response of a NiTi shape memory alloy: modeling and experiments
The indentation response of a pseudoelastic nickel-titanium based shape memory alloy (SMA) has been analyzed. Indentation tests have been carried out at room temperature using a spherical diamond tip and indentatio...