Results 81 to 90 of about 5,020,314 (332)

A New CNT-Oriented Shell Theory [PDF]

open access: yes, 2011
A theory of linearly elastic orthotropic shells is presented, with potential application to the continuous modeling of Carbon NanoTubes. Two relevant features are: the selected type of orthotropic response, which should be suitable to capture differences
Antonino Favata   +16 more
core   +1 more source

Adipokines and Associations With Incident Osteoporotic Fracture in Patients With Rheumatoid Arthritis

open access: yesArthritis Care &Research, EarlyView.
Objective We assessed whether circulating adipokines are associated with incident fractures in patients with rheumatoid arthritis (RA). Methods Three adipokines (adiponectin, leptin, and fibroblast growth factor [FGF]‐21) were measured using banked enrollment serum from participants in a longitudinal RA cohort.
Joshua F. Baker   +9 more
wiley   +1 more source

Application of functionally graded materials for severe plastic deformation and smart materials: experimental study and finite element analysis [PDF]

open access: yes, 2012
Functionally graded materials (FGMs) refer to the composite materials where the compositions or the microstructures are locally varied so that a certain variation of the local material properties is achieved.
Jamian, Saifulnizan
core  

Revisiting Stability Criteria in Ball‐Milled High‐Entropy Alloys: Do Hume–Rothery and Thermodynamic Rules Equally Apply?

open access: yesAdvanced Engineering Materials, Volume 27, Issue 6, March 2025.
The stability criteria affecting the formation of high‐entropy alloys, particularly focusing in supersaturated solid solutions produced by mechanical alloying, are analyzed. Criteria based on Hume–Rothery rules are distinguished from those derived from thermodynamic relations. The formers are generally applicable to mechanically alloyed samples.
Javier S. Blázquez   +5 more
wiley   +1 more source

Analysis of the backward bending modes in damped rotating beams

open access: yesAdvances in Mechanical Engineering, 2019
This article presents a study of the backward bending mode of a simply supported rotating Rayleigh beam with internal damping. The study analyses the natural frequency behaviour of the backward mode according to the internal viscous damping ratio, the ...
Jose Martínez-Casas   +4 more
doaj   +1 more source

Optimum Slenderness Ratio of a Stable Low-Drag Body [PDF]

open access: yes, 1949
This paper presents a theoretical and experimental method of selecting the optimum slenderness ratio of a body with cylindrical midsection. Whether such a body is a large submarine or its arch enemy, the depth charge, the problem rem a ins to find a ...
Brown, F. Barton
core   +1 more source

Cavity flow past a slender pointed hydrofoil [PDF]

open access: yes, 1961
A slender-body theory for the flow past a slender, pointed hydrofoil held at a small angle of Attack to the flow, with a cavity on the upper surface, has been worked out.
Cumberbatch, E., Wu, T. Y.
core   +1 more source

Composite Electrospun Fibers Containing Optimized B‐ and Cu‐Doped Bioactive Glass Sol‐Gel Particles for Potential Soft Tissue Engineering Applications

open access: yesAdvanced Engineering Materials, EarlyView.
This article describes the preparation and characterization of poly(ε‐caprolactone) electrospun composite fibers incorporating sol‐gel‐derived bioactive glass particles doped with B and Cu. Scanning electron microscopy, energy‐dispersive X‐ray spectroscopy, Fourier‐transform infrared spectroscopy, contact angle, acellular bioactivity, mechanical and ...
Elisa Piatti   +5 more
wiley   +1 more source

Instability analysis of a filament-wound composite tube subjected to compression/bending

open access: yesAdvanced Composites Letters, 2019
The aim of this study is to investigate the global buckling of a relatively long composite cord–rubber tube subjected to axial compression and its cross-sectional instability due to bending by a macromechanical nonlinear finite element (FE) model ...
Gyula Szabó, Károly Váradi
doaj   +1 more source

Ultimate strength of simply supported plate with opening under uniaxial compression

open access: yesInternational Journal of Naval Architecture and Ocean Engineering, 2012
Unstiffened plates are integral part of all kinds of structures such as ship and offshore oil platforms. Openings are unavoidable and absolutely reduce the ultimate strength of structures.
Chang-Li Yu, Joo-Sung Lee
doaj   +1 more source

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