Results 11 to 20 of about 1,911,260 (299)

Behaviour and design of composite beams subjected to negative bending and compression [PDF]

open access: yes, 2012
This paper investigates the behaviour of steel–concrete composite beams subjected to the combined effectsof negative bending and axial compression. For this study, six full-scale tests were conducted on compositebeams subjected to negative moment while ...
Uy, Brian (R9735)   +7 more
core   +1 more source

Modelling of cutting fibrous composite materials: current practice [PDF]

open access: yes, 2015
Using fibre reinforced polymers (FRP) is increasing across many industries. Although FRP are laid-up in the near-net shape, several cutting operations are necessary to meet quality and dimensional requirements.
Kahwash, Fadi   +5 more
core   +1 more source

POSSIBILITIES OF 3D MACHINING OF MATERIALS BY ABRASIVE WATER JETS

open access: yesGeoScience Engineering, 2019
Machining of materials through the classical way, i.e. using conventional tools for turning, drilling, milling, grinding and polishing, has some limits that can be overcome applying an abrasive water jet (AWJ).
Jan RAŠKA   +3 more
doaj   +1 more source

Effects of Hydroxyl Treatment on Atomic Resistance Property of Hexagonal Boron Nitride Film

open access: yesCailiao gongcheng, 2018
Surface hydroxyl treatment of hexagonal boron nitride (hBN) was performed in sodium hydroxide aqueous solution. With hBN, hBN-OH and nanofibrillated cellulose fibers (NFC), flexible free-standing high-content BN films were fabricated through vacuum ...
ZHANG Yu   +4 more
doaj   +1 more source

Novel carbon fibers reinforced composites based on polysulfone matrix

open access: yesMATEC Web of Conferences, 2018
The aim of this study is to create composites based on the high-temperature polymer reinforced with the carbon fibers and to study interfacial interaction between carbon fibers and polymer matrix.
Chukov Dilyus   +5 more
doaj   +1 more source

Mechanical Properties of Domestic T700 Grade Carbon Fibers/QY9611 BMI Matrix Composites

open access: yesJournal of Aeronautical Materials, 2017
The morphologies,surface energies and surface chemical properties of the domestic T700 grade carbon fiber and the T700S carbon fiber were characterized by using scanning electronic microscopy (SEM), inverse gas chromatography(IGC) and X-ray photoelectron
LI Guoli   +3 more
doaj   +1 more source

Preparation of amphiphilic magnetic polyvinyl alcohol targeted drug carrier and drug delivery research

open access: yesDesigned Monomers and Polymers, 2020
Currently, magnetic applications have great potential for development in the field of drug carriers. In this paper, Fe3O4-PVA@SH, an amphiphilic magnetically targeting drug carrier, was prepared by using Fe3O4 and PVA with thiohydrazide ...
Yazhen Wang   +6 more
doaj   +1 more source

Configural and featural information in facial-composite images [PDF]

open access: yes, 2014
Eyewitnesses are often invited to construct a facial composite, an image created of the person they saw commit a crime that is used by law enforcement to locate criminal suspects.
Kearley, Kevin   +39 more
core   +1 more source

Impact characterisation of doubly curved composite structure [PDF]

open access: yes, 2009
Under repeated impact composite domes subjected 6 J energy, changes locally with increasing drop height. The action of the dynamic load generates reactions at the support and bending moments at points on the surface of the composite.
David-West, O.S.   +2 more
core   +2 more sources

The influence of acrylate triblock copolymer embedded in matrix on composite structures’ responses to low-velocity impacts [PDF]

open access: yes, 2012
In passive safety structures the use of composite materials has increased significantly recently due to their low specific mass and high energy absorption capacities.
Frédéric Leonardi   +7 more
core   +1 more source

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