Results 51 to 60 of about 2,870,954 (374)

Analysis of glass fiber reinforced cement (GRC) fracture surfaces [PDF]

open access: yes, 2010
Glass fiber reinforced cement (GRC) is a composite material produced by the union of a cement mortar matrix and chopped glass fibers. Its good mechanical properties deteriorate with time. This phenomenon has been studied performing a tensile test program
Alejandro Enfedaque   +18 more
core   +2 more sources

CO2 Removal from Biogas Using Carbon Nanotubes Mixed Matrix Membranes

open access: yesInternational Journal of Science and Engineering, 2010
A new type of mixed matrix membrane consisting of polyethersulfone (PES) and carbon nanotubes (CNTs) is prepared for biogas purification application. PES mixed matrix membrane with and without modification of carbon nanotubes were prepared by a dry/wet ...
Tutuk Djoko Kusworo   +5 more
doaj   +1 more source

Combined Effects of Optimized Heat Treatment and Nickel Coating for the Improvement of Interfacial Bonding in Aluminum–Iron Alloys Hybrid Structures

open access: yesApplied Sciences, 2021
The effects of nickel coating and heat treatment on the interfacial bonds of aluminum–iron (Al/Fe) alloys hybrid structures were investigated using microstructural analysis.
Gihoon Moon, Eunkyung Lee
doaj   +1 more source

Hilbert space renormalization for the many-electron problem [PDF]

open access: yes, 2015
Renormalization is a powerful concept in the many-body problem. Inspired by the highly successful density matrix renormalization group (DMRG) algorithm, and the quantum chemical graphical representation of configuration space, we introduce a new ...
Chan, Garnet Kin-Lic, Li, Zhendong
core   +3 more sources

Effect of the Aggressive Environment on the Damage of a Glass Polyester Composite Developed by Hand Layup Process

open access: yesAdvances in Materials Science and Engineering, 2015
This work treats the behavior of a glass fibre/unsaturated polyester (UP) composite with structural defects subjected to the attack of two corrosive solutions: H2SO4 and NaOH.
Nabila Belloul   +3 more
doaj   +1 more source

Crystallization and Structure of AlSi10Mg0.5Mn0.5 Alloy with Dispersion Strengthening with Al–FexAly–SiC Phases

open access: yesMetals, 2019
The paper characterizes a composite with dispersion phases cast via the use of stir casting method on an aluminum matrix. A mixture of aluminum with FexAly and SiC powders was achieved in the process of mechanical alloying and self-propagating high ...
Jarosław Piątkowski, Robert Wieszała
doaj   +1 more source

Diquark and Pion Condensation in Random Matrix Models for two-color QCD

open access: yes, 2004
We introduce a random matrix model with the symmetries of QCD with two colors at nonzero isospin and baryon chemical potentials and temperature. We analyze its phase diagram and find phases with condensation of pion and diquark states in addition to the ...
A. B. Migdal   +9 more
core   +1 more source

On‐tissue chemical derivatization in mass spectrometry imaging

open access: yesMass spectrometry reviews (Print), 2021
Mass spectrometry imaging (MSI) combines molecular and spatial information in a valuable tool for a wide range of applications. Matrix‐assisted laser desorption/ionization (MALDI) is at the forefront of MSI ionization due to its wide availability and ...
Carla Harkin   +8 more
semanticscholar   +1 more source

Dual morphology (fibres and particles) cellulosic filler for WPC materials [PDF]

open access: yes, 2016
Wood-plastic composites (WPC) were fabricated by using a polyethylene (PE) matrix and filling it with wood flour in the amount of 30 wt.%, and compared with the same composites with further amount of 10 wt.% of cellulosic recycled fibres added.
QUITADAMO, ALESSIA   +3 more
core   +1 more source

Collagen-hyaluronic acid scaffolds for adipose tissue engineering. [PDF]

open access: yes, 2010
Three-dimensional (3-D) in vitro models of the mammary gland require a scaffold matrix that supports the development of adipose stroma within a robust freely permeable matrix. 3-D porous collagen-hyaluronic acid (HA: 7.5% and 15%) scaffolds were produced
Cameron, RE   +4 more
core   +2 more sources

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