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Analyzing the chaos phenomenon and bifurcation in gear systems nonlinear vibration using smoothing function approximation
Many researchers have conducted investigations in the field of gear system vibrations using numerical or approximate methods such as piecewise...
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Supercritical bifurcation to periodic melt fracture as the 1st transition to 2D elastic flow instability
This study, employing a numerical approximation, computationally describes 2D melt fracture as elastic instability in the flow along and outside a...
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Point-defect avalanches mediate grain boundary diffusion
Grain boundary diffusion in polycrystalline materials is a physical phenomenon of great fundamental interest and practical significance. Although...
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Micromechanical modelling of ductile fracture in pipeline steel using a bifurcation-enriched porous plasticity model
In this paper, we investigate the possibility of predicting ductile fracture of pipeline steel by using the Gurson–Tvergaard–Needleman (GTN) model...
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Bifurcation criterion and the origin of limit crack velocity in dynamic brittle fracture
By employing a variational phase field model, we investigated the dynamic brittle fracture of poly (methyl methacrylate) (PMMA) through computer...
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The Magnetic Susceptibility Bifurcation in the Ni-Doped Sb2Te3 Topological Insulator with Antiferromagnetic Order Accompanied by Weak Ferromagnetic Alignment
The magnetic susceptibility reveals a discontinuity at Néel temperature and a hysteresis loop with low coercive field was observed below Néel...
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Forming Analysis on the Effect of Ultra-Thinning of Sheet Metals Based on a Stress Rate Direction-Dependent Constitutive Model
In formability evaluation, it is important to accurately predict the onset timing and morphology of fracture in a workpiece from a physical point of...
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Role of Y3+ on the temperature-dependent magnetic properties of Lu orthoferrite prepared by solution combustion method using a mixture of fuels
LuFeO 3 and Lu 0.2 Y 0.8 FeO 3 powder were prepared by solution combustion method using urea and glucose as fuels for the first time. Samples were...
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Plasticity-mediated deformation instabilities in thin film-compliant substrate systems: direct three-dimensional simulations
Surface wrinkles driven by mechanical instability commonly form in thin-film structures attached to a compliant substrate. In this study, a recently...
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Investigation of Mechanical Behavior of Nano-alumina-Reinforced Polylactic Acid Composite Through Micro-mechanism Approach
The study focuses on evaluating the mechanical behavior of polylactic acid (PLA) composites infused with varying weight percentages of nano-alumina...
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Experimental Verification and Nonlinear Dynamic Response Analysis of a Rolling Element Bearing with Localized Defects
In this paper, the dynamic behavior of rolling element bearings with localized faults on the inner and outer rings is investigated. A nonlinear...
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Weft Yarn Interlacement Modelling for 3D Profiled Structures
Currently, generation of 3D woven T-joint models with complex weave geometries, using TexGen software, is a manual process. One of the main...
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A Gaussian process autoregressive model capturing microstructure evolution paths in a Ni–Mo–Nb alloy
Additive manufacturing is increasingly being employed to produce components of complex geometries in structural alloys because of the expected energy...
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Birhythmic Behavior in a New Dual Loop Optoelectronic Oscillator
In the present paper, we report the birhythmic behavior of a time delayed Optoelectronic Oscillator (OEO) with two delays, popularly known as the...
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Applied Finite Element Procedure for Morphing Wing Design
Bistable composite laminates provide an appealing platform for morphing applications. On the other hand they exhibit geometrically nonlinear behavior...
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Integrating State of the Art Zirconia Thermal Barriers with Ytterbium Silicate Environmental Barriers for Silicon-Based Ceramic Turbine Components
As gas turbine firing temperatures continue to increase for the sake of improved operating efficiency, the material's transition from Ni-based...
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On High- and Very High Cycle Fatigue of Metals and Alloys at Axial Loading
There are discussed Mughrabi’s diagram and Shanyavskii’s bifurcation fatigue curve. Here is shown that the authors represent on one graph the areas...
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Superparamagnetic and spin glass characteristics with Griffiths phase in Ni50Mn30−xFexSn20−ySby (1 ≤ x ≤ 4 and 2 ≤ y ≤ 8) Heusler alloys
Multiphase magnetism including Griffiths phase, superparamagnetism and spin glass state has been revealed in Ni 50 Mn 30−x Fe x Sn 20−y Sb y (1 ≤ x ≤ 4 and...
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Tailoring room temperature d0 ferromagnetism, dielectric, optical, and transport properties in Ag-doped rutile TiO2 compounds for spintronics applications
Of late, d 0 ferromagnetic oxide materials have been studied as potential material for spintronics application. We investigate the crystal structure,...
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An investigation of fracture behaviors of NBG-18 nuclear graphite using in situ mechanical testing coupled with micro-CT
Nuclear graphite contains defects spanning from nanoscale basal cracks to sub-mm scale voids. This study aims to establish an experimental method to...
