Experiments and numerical simulation of damage and fracture of the X0-specimen under non-proportional loading paths
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2019.106795
Abstract: Abstract The paper deals with new non-proportional biaxial experiments and corresponding numerical simulations to analyze the load-history dependence on damage and fracture behavior of ductile metals. The numerical simulations are based on a phenomenological, thermodynamically… read more here.
Keywords: non proportional; damage fracture; proportional loading; damage ... See more keywords
A new life prediction model for multiaxial fatigue under proportional and non-proportional loading paths based on the pi-plane projection
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Fatigue"
DOI: 10.1016/j.ijfatigue.2017.04.013
Abstract: Abstract A new multiaxial fatigue damage parameter is proposed based on the projection path on the Ď€-plane of the loading path. The proposed parameter is suitable for any arbitrary loading path in practical problems. Many… read more here.
Keywords: non proportional; multiaxial fatigue; prediction model; model ... See more keywords
Fatigue crack growth simulation under cyclic non-proportional mixed mode loading
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Fatigue"
DOI: 10.1016/j.ijfatigue.2017.04.014
Abstract: Abstract An algorithm based on linear elastic fracture mechanics for three-dimensional fatigue crack growth simulation under non-proportional mixed-mode loading is proposed in the present paper. The crack growth behavior in thin-walled, hollow cylinders with a… read more here.
Keywords: non proportional; mixed mode; crack growth; crack ... See more keywords
An empirical non-proportional cyclic plasticity approach under multiaxial low-cycle fatigue loading
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2018.04.031
Abstract: Abstract The non-proportional hardening is revealed to be a main reason to influence the fatigue life of materials which are sustained to multiaxial low-cycle fatigue loading. Microstructurally speaking, increase of stacking faults to the grain… read more here.
Keywords: non proportional; fatigue loading; fatigue; cycle fatigue ... See more keywords
Experimental fracture characterisation of an anisotropic magnesium alloy sheet in proportional and non-proportional loading conditions
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Solids and Structures"
DOI: 10.1016/j.ijsolstr.2018.04.010
Abstract: Abstract A comprehensive experimental investigation was performed to characterize the fracture behaviour of a rare-earth magnesium alloy sheet, ZEK100-O, under both proportional and non-proportional loading conditions. This material possesses severe plastic anisotropy and tension-compression asymmetry… read more here.
Keywords: non proportional; proportional non; alloy sheet; fracture ... See more keywords
Experiments with the X0-specimen on the effect of non-proportional loading paths on damage and fracture mechanisms in aluminum alloys
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Solids and Structures"
DOI: 10.1016/j.ijsolstr.2019.01.007
Abstract: Abstract The paper deals with an experimental series with the new biaxial cruciform X0-specimen to study the stress state and loading path dependence of ductile damage and fracture. The ongoing material deterioration is studied experimentally… read more here.
Keywords: loading paths; non proportional; damage fracture; fracture ... See more keywords
Ductile fracture under proportional and non-proportional multiaxial loading
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Solids and Structures"
DOI: 10.1016/j.ijsolstr.2020.11.011
Abstract: Abstract This paper revisits proportional and non-proportional experiments performed earlier by the authors, with the aim to establish the fracture envelope of the material. The experiments involved inflation of thin-walled AA6260-T4 tubes under axial force… read more here.
Keywords: non proportional; proportional non; fracture; fracture proportional ... See more keywords
Multiaxial low cycle fatigue life of Ti-6Al-4V under non-proportional loading with mean strain
Sign Up to like & getrecommendations! Published in 2017 at "Theoretical and Applied Fracture Mechanics"
DOI: 10.1016/j.tafmec.2017.04.004
Abstract: Abstract The mean strain effect on the multiaxial low cycle fatigue behavior of Ti-6Al-4V was investigated. Strain-controlled multiaxial low cycle fatigue tests at room temperature were carried out using a tubular specimen in tension and… read more here.
Keywords: non proportional; mean strain; low cycle; strain ... See more keywords
CauchyCP: A powerful test under non-proportional hazards using Cauchy combination of change-point Cox regressions.
Sign Up to like & getrecommendations! Published in 2021 at "Statistical methods in medical research"
DOI: 10.1177/09622802211037076
Abstract: Non-proportional hazards data are routinely encountered in randomized clinical trials. In such cases, classic Cox proportional hazards model can suffer from severe power loss, with difficulty in interpretation of the estimated hazard ratio since the… read more here.
Keywords: non proportional; point cox; cauchycp; change point ... See more keywords
Determination of the Relationship between Proportional and Non-Proportional Fatigue Damage in Magnesium Alloy AZ31 BF
Sign Up to like & getrecommendations! Published in 2023 at "Crystals"
DOI: 10.3390/cryst13040688
Abstract: In this work, the magnesium alloy AZ31BF subjected to proportional and non-proportional loads has been studied. For this purpose, a series of experimental multiaxial fatigue tests were carried out according to the ASTM E466 protocol.… read more here.
Keywords: fatigue; proportional non; magnesium alloy; non proportional ... See more keywords
Ductile Fracture Behavior of Notched Aluminum Alloy Specimens under Complex Non-Proportional Load
Sign Up to like & getrecommendations! Published in 2019 at "Materials"
DOI: 10.3390/ma12101598
Abstract: The paper presents an experimental investigation of the ductile fracture of specimens with different circumferential notches. Specimens made from ENAW_2024-T351 aluminum alloy were subjected to non-proportional tension–torsion loading. The tests were carried out on an… read more here.
Keywords: non proportional; aluminum alloy; fracture; fracture behavior ... See more keywords