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Theoretical predictions of dynamic necking formability of ductile metallic sheets with evolving plastic anisotropy and tension-compression asymmetry
In this paper, we have investigated necking formability of anisotropic and tension-compression asymmetric metallic sheets subjected to in-plane...
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Simulations of the localized necking and Lüders band in irradiated metals by crystal plasticity
In metallic materials, necking instability is initiated by underlying perturbations including surface imperfections or material inhomogeneity, and...
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Study on necking defects, microstructure and mechanical properties of TC4 alloy by cross wedge rolling
The TC4 alloy is an ideal material for the lower control arm of military vehicles due to its low density and high strength. The TC4 alloy lower...
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Local electrically assisted necking and thickening technology for 5A02 aluminum alloy tube
A new technology of local electrically assisted necking and thickening forming of 5A02 aluminum alloy tube is developed, to enhance the quality of...
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Deformation Behaviours of Magnesium Alloy AZ41 Beyond Necking Using Extrapolation Method
In the present work, finite element analysis (FEA) is applied to study the behaviour of magnesium alloy AZ41 after necking using extrapolation...
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Correction of post-necking stress–strain curve of copper using surface strain method
Correction of the stress–strain curve in the strained specimens after necking is one of the remarkable issues in mechanical engineering. The...
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Effects of large strain reverse loading on the strain rate dependence and dynamic strain localization of ductile metallic rods
The dynamic necking of ductile metallic rods with large strain reverse loading history has received little attention in the published literature. A...
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Inverse Identification of the Post-Necking Behavior of Metal Samples Produced with Additive Manufacturing
Additive manufacturing (AM) is undoubtedly the fastest-growing technology in the field of component productions. In particular, metal AM is rapidly...
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Effect of the third invariant on the formation of necking instabilities in ductile plates subjected to plane strain tension
In this paper, we have investigated the effect of the third invariant of the stress deviator on the formation of necking instabilities in isotropic...
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Mechanism of necking defect of 6082 aluminium alloy rolled by cross-wedge rolling method based on material thermal properties
Necking defects have long troubled the application of cross-wedge rolling technology in aluminium alloy shaft parts. To accurately predict necking...
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Deformation behavior of steel sheets under dynamic underwater impact: electric-pulse triggered energetic materials loading vs. wire explosion loading
This paper considers the applicability of high-velocity forming by investigating the compound explosion process of electrical and chemical energy in...
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Investigation on the dynamic fracture behavior of A508-III steel based on Johnson–Cook model
In this study, the Johnson–Cook constitutive and failure model parameters of A508-III steel are determined through quasi-static and dynamic tensile...
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Develo** Rib Bone Surrogates for High Dynamic Impact Assessment with Additive Manufacturing and Post-mortem Human Subjects (PMHS)-Based Evaluation
The conception of ballistic personal protective equipment requires a comprehensive understanding of the human body’s response to dynamic loads. The...
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In-Plane Dynamic Crushing Behaviors of a Vertex-Based Hierarchical Auxetic Honeycomb
Auxetic metamaterials, which exhibit the negative Poisson’s ratio (NPR) effect, have found wide applications in many engineering fields. However,...
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Effect of Grain Size on Dynamic Mechanical Properties of Layered Grating Aluminum Film
Diffraction grating is a high-precision optical element. In order to study the effect of grain size on the mechanical properties of grating,...
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Effect of silicon on ductility of T91 steel in liquid lead–bismuth eutectic environment
The tensile tests of T91 and T91Si steels at 200–450 °C in air and at 350 °C in oxygen-depleted liquid lead–bismuth eutectic (LBE) environment with...
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Experimental Investigation on Dynamic Characteristics of Highly Viscous Droplets and Liquid Bridges Under the Influence of Electric Fields
Formation of highly viscous droplets and liquid bridges under the influence of electric fields is widely used in material preparation, food...
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Dynamic recrystallization mechanism, grain structure evolution, and mechanical behavior in friction stir welding of galvanized steel at different cooling rates
Friction stir welding (FSW) of galvanized steel offers unique advantages as it can avoid the extensive metallurgical problems associated with fusion...
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Numerical simulation on pore formation and suppression for dual-beam laser welding of sandwich structure
Compared to single-beam laser welding, dual-beam laser welding can increase the area of the connection between the face plate and the core plate,...
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Stability and Localization of Deformation Delay in Finitely Strained Plates at Arbitrary Strain-Rates
Of interest here is the stability and associated deformation localization of structures when inertial effects are considered. Concerned primarily...
