Surface stress
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Tunable intrinsic strain in two-dimensional transition metal electrocatalysts Open
Harnessing self-tuned strain Strain can modify the electronic properties of a metal and has provided a method for enhancing electrocatalytic activity. For practical catalysts, nanomaterials with high surface areas are needed. However, for …
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Modulation of Wind Work by Oceanic Current Interaction with the Atmosphere Open
In this study, uncoupled and coupled ocean–atmosphere simulations are carried out for the California Upwelling System to assess the dynamic ocean–atmosphere interactions, namely, the ocean surface current feedback to the atmosphere. The au…
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Improved Use of Scatterometer Measurements by Using Stress-Equivalent Reference Winds Open
Numerical weather prediction (NWP) and buoy ocean surface winds show some systematic differences with satellite scatterometer and radiometer wind measurements, both in statistical results and in local geographical regions. It is possible t…
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Ocean‐Wave‐Atmosphere Interaction Processes in a Fully Coupled Modeling System Open
A high‐resolution coupled ocean‐wave‐atmosphere model (Uppsala University Coupled model, UU‐CM) of the Baltic Sea and the North Sea with improved representation of ocean‐wave‐atmosphere interaction processes is presented. In the UU‐CM mode…
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A nonlocal strain gradient shell model incorporating surface effects for vibration analysis of functionally graded cylindrical nanoshells Open
In this paper, a novel size-dependent functionally graded (FG) cylindrical shell model is developed based on the nonlocal strain gradient theory in conjunction with the Gurtin-Murdoch surface elasticity theory. The new model containing a n…
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Direct measurement of strain-dependent solid surface stress Open
Surface stress, also known as surface tension, is a fundamental material property of any interface. However, measurements of solid surface stress in traditional engineering materials, such as metals and oxides, have proven to be very chall…
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Molecular Simulations of Free and Graphite Capped Polyethylene Films: Estimation of the Interfacial Free Energies Open
We present a reliable simulation strategy for estimating the surface tension, the work of adhesion, and all related macroscopic work functions of fluid/vacuum and fluid/solid interfaces, directly from the atomic-level stresses in the syste…
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Ion-Exchange in Glass-Ceramics Open
In the past few years ion-exchange in glasses has found a renewed interest with a lot of new development and research in industrial and academic labs and the commercialization of materials with outstanding mechanical properties. These glas…
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Wearable Localized Surface Plasmon Resonance-Based Biosensor with Highly Sensitive and Direct Detection of Cortisol in Human Sweat Open
Wearable biosensors have the potential for developing individualized health evaluation and detection systems owing to their ability to provide continuous real-time physiological data. Among various wearable biosensors, localized surface pl…
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Application of the surface stress-driven nonlocal theory of elasticity for the study of the bending response of FG cracked nanobeams Open
In this manuscript the bending response of cracked Bernoulli-Euler functionally graded (FG) nanobeams is investigated by the stress-driven enriched model incorporating surface energy effects (SSDM) recently developed by Penna. The approach…
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On the impact of capillarity for strength at the nanoscale Open
The interior of nanoscale crystals experiences stress that compensates for the capillary forces and that can be large, in the order of 1 GPa. Various studies have speculated on whether and how this surface-induced stress affects the stabil…
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Nonlinear elasticity of incompatible surface growth Open
Surface growth is a crucial component of many natural and artificial processes, from cell proliferation to additive manufacturing. In elastic systems surface growth is usually accompanied by the development of geometrical incompatibility, …
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Coupling Ocean Currents and Waves with Wind Stress over the Gulf Stream Open
This study provides the first detailed analysis of oceanic and atmospheric responses to the current-stress, wave-stress, and wave-current-stress interactions around the Gulf Stream using a high-resolution three-way coupled regional modelin…
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The Role of Back Pressure in the Atmospheric Response to Surface Stress Induced by the Kuroshio Open
The effect of ocean current drag on the atmosphere is of interest as a test case for the role of back pressure, because the response is independent of the thermally induced modulation of the boundary layer stability and hydrostatic pressur…
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In Situ Strain Evolution on Pt Nanoparticles during Hydrogen Peroxide Decomposition Open
Fundamental understanding of structural changes during catalytic reactions is crucial to understanding the underlying mechanisms and optimizing efficiencies. Surface energy and related catalytic mechanisms are widely studied. However, the …
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Strain-Dependent Solid Surface Stress and the Stiffness of Soft Contacts Open
Surface stresses have recently emerged as a key player in the mechanics of highly compliant solids. The classic theories of contact mechanics describe adhesion with a compliant substrate as a competition between surface energies driving de…
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On the role of surface elasticity in nonlinear planar stability of FG porous reinforced nanosize curved beams having different degrees of curvature Open
The prime target of the present study is to inspect the role of surface elasticity at nanoscale in changing the stability branches as well as lower and upper limit loads of uniformly thermomechanical loaded curved nanobeams having differen…
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Elastocapillarity in nanopores: Sorption strain from the actions of surface tension and surface stress Open
Adsorption-induced deformation of porous materials is the generation of strains in a solid due to its interaction with adsorbing fluids. The theoretical description of adsorption-induced deformation often relies on the so-called solvation …
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The role of crosslinking density in surface stress and surface energy of soft solids Open
Surface stress and surface energy are two fundamental parameters that determine the surface properties of any material. We show experimentally that the two material parameters vary with crosslinking density in different ways for soft polym…
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The mechanical equilibrium of soft solids with surface elasticity Open
We describe how surface elasticity can significantly change the behaviour of soft materials at small length scales, and when this is to be expected.
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Functionalized Stress Component onto Bio-template as a Pathway of Cytocompatibility Open
This in-vitro study introduces residual stress as a third dimension of cell stimulus to modulate the interaction between cells and bio-template, without the addition of either chemical or physical stimuli onto the bio-template surface. Ult…
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Surface profile and stress field evaluation using digital gradient sensing method Open
Shape and surface topography evaluation from measured orthogonal slope/gradient data is of considerable engineering significance since many full-field optical sensors and interferometers readily output accurate data of that kind. This has …
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Air–Sea Momentum Fluxes during Tropical Cyclone Olwyn Open
Observations of wind stress during extreme winds are required to improve predictability of tropical cyclone track and intensity. A common method to approximate the wind stress is by measuring the turbulent momentum flux directly. However, …
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Step free energies at faceted solid surfaces: Theory and atomistic calculations for steps on the Cu(111) surface Open
A theory for the thermodynamic properties of steps on faceted crystalline\nsurfaces is presented. The formalism leads to the definition of step excess\nquantities, including an excess step stress that is the step analogy of surface\nstress…
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A Numerical Study of Geometry’s Impact on the Thermal and Mechanical Properties of Periodic Surface Structures Open
The paper focuses on thermal and mechanical analysis of Periodic Surface Structure (PSS). PSS is a continuous surface with a specific topology that is mathematically formulated by geometric factors. Cubic P-surface (“primitive”), D-surface…
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Calculation of Surface Properties of Cubic and Hexagonal Crystals through Molecular Statics Simulations Open
Surface property is an important factor that is widely considered in crystal growth and design. It is also found to play a critical role in changing the constitutive law seen in the classical elasticity theory for nanomaterials. Through mo…
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Evaluation of the Compressive Residual Stress Relaxation Behavior by <i>in situ</i> X-ray Stress Measurement Open
To clarify the relaxation behavior of compressive residual stress during the first push and pull loading cycle, an in situ X-ray stress measurement method was formulated, in which a fine particle peening-treated hourglass-shaped specimen w…
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Influence of Surface Energy Effects on Elastic Fields of a Layered Elastic Medium under Surface Loading Open
This paper presents the analysis of a layered elastic half space under the action of axisymmetric surface loading and the influence of the surface energy effects. The boundary value problems for the bulk and the surface are formulated base…
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On Estimating the Surface Wind Stress over the Sea Open
Our study analyzes measurements primarily from two Floating Instrument Platform (FLIP) field programs and from the Air–Sea Interaction Tower (ASIT) site to examine the relationship between the wind and sea surface stress for contrasting co…
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Investigation of stress wave and damage morphology growth generated by laser-induced damage on rear surface of fused silica Open
In this study, stress wave and damage morphology on the rear surface of silica during laser induced damage with cumulative UV pump shots is investigated. Time resolved imaging system, along with stress induced birefringence detecting, is u…