Results 41 to 50 of about 442,232 (288)

Evaluation of Effective Elastic Properties of Nitride NWs/Polymer Composite Materials Using Laser-Generated Surface Acoustic Waves

open access: yesApplied Sciences, 2018
In this paper we demonstrate a high potential of transient grating method to study the behavior of surface acoustic waves in nanowires-based composite structures.
Evgeny Glushkov   +8 more
doaj   +1 more source

High-accuracy compliance correction for nonlinear mechanical testing: Improving Small Punch Test characterization

open access: yesNuclear Materials and Energy, 2021
Small punch test, SPT, of metallic materials is a very convenient mechanical test since it requires a small volume of material. However, SPT data from different laboratories suffer from large scatter, mainly due to the different experimental set-ups ...
David Sánchez-Ávila   +5 more
doaj   +1 more source

Laser induced Zero-Group Velocity resonances in Transversely Isotropic cylinder

open access: yes, 2015
The transient response of an elastic cylinder to a laser impact is studied. When the laser source is a line perpendicular to the cylinder axis, modes guided along the cylinder are generated.
Ahmad, Faiz   +4 more
core   +3 more sources

Mechanical properties and failure mechanisms of 3D six-directional braided composites at elevated and liquid nitrogen temperatures

open access: yesMaterials Letters: X, 2020
3D six-directional braided carbon/epoxy composites are fabricated successfully, and their mechanical properties and failure mechanisms at room, elevated and liquid nitrogen temperatures are reported.
Wen-fen Han, Dian-sen Li, Lei Jiang
doaj   +1 more source

The human gut microbiome across the life course

open access: yesFEBS Letters, EarlyView.
Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero   +4 more
wiley   +1 more source

The dynamics of electron beam scattering on metal membranes: nanopore formation in metal membranes using transmission electron microscopy

open access: yesNano Convergence, 2018
The dynamics of nanopore formation in metal membranes using the highly focused and high energy electron beams (e-beams) of transmission electron microscopy instruments was investigated.
Hyun-Mi Kim   +6 more
doaj   +1 more source

A Unified Nonlinear Elastic Model for Rock Material

open access: yesApplied Sciences, 2022
Under conditions of low or medium stress, rocks that are in the compression state exhibit perceivable nonlinear elastic characteristics. After a comprehensive review of the existing nonlinear elastic models of rocks and joints, we proposed a new unified ...
Chong Chen   +4 more
doaj   +1 more source

TIPS FOR A SUCCESSFUL LOGO [PDF]

open access: yes, 2011
In the hydraulic bulge test, flow curves are determined by applying a hydrostatic pressure to one side of a clamped sheet metal specimen, which bulges freely into a circular cavity under the pressure.
Chystykova, K, Shynkarenko, N
core   +1 more source

A light‐triggered Time‐Resolved X‐ray Solution Scattering (TR‐XSS) workflow with application to protein conformational dynamics

open access: yesFEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering captures how proteins change shape in real time under near‐native conditions. This article presents a practical workflow for light‐triggered TR‐XSS experiments, from data collection to structural refinement. Using a calcium‐transporting membrane protein as an example, the approach can be broadly applied to study ...
Fatemeh Sabzian‐Molaei   +3 more
wiley   +1 more source

Research on Fracture Toughness of Flattened Brazilian Disc Specimen after High Temperature

open access: yesHigh Temperature Materials and Processes, 2016
Fracture toughness is an important parameter to study fracture characteristic of rock under external loads. Based on splitting tensile test on flattened Brazilian disc specimen of rock after high temperature, load–displacement curves of rock sample in ...
Liu Shi, Xu Jinyu, Wang Peng, Fang Xinyu
doaj   +1 more source

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