Role of the local stress systems on microstructural inhomogeneity during semisolid injection
Sign Up to like & getrecommendations! Published in 2021 at "Acta Materialia"
DOI: 10.1016/j.actamat.2021.117015
Abstract: Abstract High pressure metal die casting is an extremely dynamic process with widely ranging cooling rates and intensifying pressures, resulting in a wide range of solid fractions and deformation rates simultaneously existing in the same… read more here.
Keywords: die casting; role local; inhomogeneity; microstructural inhomogeneity ... See more keywords
A non-local stress fracture criterion accounting for the anisotropy of the fracture toughness
Sign Up to like & getrecommendations! Published in 2019 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2019.04.033
Abstract: Abstract A comparative assessment between the maximum circumferential stress criterion and the non-local stress criterion applied to mixed mode fracture problems in wood is presented. Various attributes of the two fracture theories, such as the… read more here.
Keywords: fracture; stress; criterion; local stress ... See more keywords
Comparison of different one-parameter damage laws and local stress-strain approaches in multiaxial fatigue life assessment of notched components
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Fatigue"
DOI: 10.1016/j.ijfatigue.2021.106405
Abstract: Abstract This paper aims to compare the predictive capabilities of different one-parameter damage laws and local stress-strain approaches to assess the fatigue lifetime in notched components subjected to proportional bending-torsion loading. The tested fatigue damage… read more here.
Keywords: stress strain; damage; stress; strain ... See more keywords
Analysis of global and local stress changes in a longwall gateroad
Sign Up to like & getrecommendations! Published in 2018 at "International journal of mining science and technology"
DOI: 10.1016/j.ijmst.2017.11.015
Abstract: A numerical-model-based approach was recently developed for estimating the changes in both the horizontal and vertical loading conditions induced by an approaching longwall face. In this approach, a systematic procedure is used to estimate the… read more here.
Keywords: stress changes; analysis; stress; global local ... See more keywords
Local stress enhanced photocurrent of visible light photo-detection in Cs2AgBiBr6 single crystal
Sign Up to like & getrecommendations! Published in 2019 at "Applied Physics Letters"
DOI: 10.1063/1.5116088
Abstract: Halide perovskites have attracted worldwide attention in recent years due to their fundamental scientific importance and practical applications in energy harvesting fields. However, its toxicity and instability are hindering the commercial applications of halide perovskite-based… read more here.
Keywords: cs2agbibr6 single; single crystal; cs2agbibr6; local stress ... See more keywords
The computation of local stress in ab initio molecular simulations
Sign Up to like & getrecommendations! Published in 2019 at "Modelling and Simulation in Materials Science and Engineering"
DOI: 10.1088/1361-651x/ab2b8a
Abstract: Motivated by the increasingly more important role of ab initio molecular dynamics models in material simulations, this work focuses on the definition of local stress, when the forces are determined from quantum-mechanical descriptions. Two types… read more here.
Keywords: molecular simulations; initio molecular; initio; computation local ... See more keywords
Seismic anisotropy time variations at Mt Etna
Sign Up to like & getrecommendations! Published in 2019 at "Geophysical Journal International"
DOI: 10.1093/gji/ggz460
Abstract: The aim of this paper is to study the temporal variations in the seismic wavefield associated with the stress changes in the dynamic features of the Mt Etna volcanic activity. We used shear wave splitting… read more here.
Keywords: stress field; shear wave; time; stress ... See more keywords
Noninvasive measurement of local stress inside soft materials with programmed shear waves
Sign Up to like & getrecommendations! Published in 2023 at "Science Advances"
DOI: 10.1126/sciadv.add4082
Abstract: Mechanical stresses across different length scales play a fundamental role in understanding biological systems’ functions and engineering soft machines and devices. However, it is challenging to noninvasively probe local mechanical stresses in situ, particularly when… read more here.
Keywords: shear waves; noninvasive measurement; local stress; measurement local ... See more keywords
Abnormal Twinning Behavior Induced by Local Stress in Magnesium
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15165510
Abstract: This study investigated the twinning behavior with increasing compressive strain in rolled AZ31 alloy. With that purpose, a polycrystalline structure with an average grain size of 30 μm was utilized to perform the uniaxial compression… read more here.
Keywords: stress; nucleation; strain; twinning behavior ... See more keywords
Influence of Grain Orientation and Grain Boundary Features on Local Stress State of Cu-8Al-11Mn Alloy Investigated Using Crystal Plasticity Finite Element Method
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15196950
Abstract: Reducing the local stress in the vicinity of the grain boundaries is a favorable way to improve the super-elastic properties of super-elastic alloys. The crystal plasticity finite element method (CPFEM) was applied in this study… read more here.
Keywords: stress; super elastic; grain boundary; grain boundaries ... See more keywords
A New Microstructural Approach to the Strength of an Explosion Weld
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15227878
Abstract: In this paper, the local stress–strain state in an explosion weld was investigated and the local strength of the welded materials near the weld analyzed. It follows from the experimental data that the explosion weld… read more here.
Keywords: strength; geometry; explosion weld; local stress ... See more keywords