Browsing by Subject "SEM"
Now showing items 1-20 of 27
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3D-Printed Clay Enhanced with Graphene Nanoplatelets for Sustainable and Green Construction
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)This paper presents a study on the effects of graphene nanoplatelets (GNPs) on the mechanical behavior of 3D-printed burnt clay, the most sustainable and green construction material, under constant printing parameters. ... -
A short analysis on the morphological characterization of colloidal quantum dots for photovoltaic applications
( Bentham Science Publishers , 2020 , Article Review)Due to its various advantages, colloidal quantum dots (CQDs) carry a prodigious deal of interest in low-cost photovoltaics. The possibility of tailored band gaps via quantum confinement effect facilitates photovoltaic ... -
Beneficial effect of shot peening on steamside oxidation of 300-series austenitic steels: An electrochemical study
( Elsevier B.V. , 2018 , Article)The formation of a protective oxide ensures the good corrosion resistance of austenitic steels in high temperature steam. However after long-term interaction even the protective oxide may tend to exfoliate and cause ... -
Construction waste management performance measurement in infrastructure projects by structural equation modelling SEM
(2021 , Master Thesis)This research aimed to identify the factors that contribute to Construction Waste Management in Infrastructure Projects (CWMIIP) and their effective weight in this aspect. The objectives are summarized to identify the ... -
Correlation of structural and mechanical properties for Al-Al2O3-SiC hybrid metal matrix composites
( SAGE Publications Ltd , 2021 , Article)The aim of the present paper is to examine the outcome of Al2O3-SiC reinforcements on structural and mechanical behavior of Al matrix based hybrid composites. Al-Al2O3-SiC hybrid composite has been developed through stir ... -
Determinants of Continuance Intention to Use Mobile Money Transfer: An Integrated Model
( Allied Academies , 2017 , Article)Mobile Money Transfer (MMT) technology had become essential daily transactions in several developing countries. The unbanked population and those from low and middle-income classes mainly adopt this technology. In Somalia, ... -
Dynamic mechanical analysis and broadband electromagnetic interference shielding characteristics of poly (vinyl alcohol)-poly (4-styrenesulfonic acid)-titanium dioxide nanoparticles based tertiary nanocomposites
( Taylor and Francis Inc. , 2020 , Article)Novel tertiary nanocomposite films comprising of poly (vinyl alcohol) (PVA), poly (4-styrenesulfonic acid) (PSSA) and titanium dioxide (TiO2) nanoparticles (NPS) were prepared using simple solvent casting method. The ... -
Eeonomer 200F: A High-Performance Nanofiller for Polymer Reinforcement-Investigation of the Structure, Morphology and Dielectric Properties of Polyvinyl Alcohol/Eeonomer-200F Nanocomposites for Embedded Capacitor Applications
( Springer New York LLC , 2017 , Article)In the present study, Eeonomer 200F® was used as a high-performance nanofiller to prepare polyvinyl alcohol (PVA)-based nanocomposite films using a simple and eco-friendly solution casting technique. The prepared PVA/Eeonomer ... -
Electrical and Electromagnetic Interference (EMI) shielding properties of hexagonal boron nitride nanoparticles reinforced polyvinylidene fluoride nanocomposite films
( Taylor and Francis Inc. , 2019 , Article)The hexagonal boron nitride nanoparticles (h-BNNPs) reinforced flexible polyvinylidene fluoride (PVDF) nanocomposite films were prepared via a simple and versatile solution casting method. The morphological, thermal and ... -
Electrochemical, morphological, and spectroscopic study of poly(aniline-co-o-bromoaniline) (PA-co-o-BrA) conducting copolymer
( Institute for Ionics , 2018 , Article)A series of moderately conducting and soluble copolymers of poly(aniline-co-o-bromoaniline) (PA-co-o-BrA) having different compositions was obtained by in the situ copolymerization method using different concentrations of ... -
Electrodeposited white bronzes on brass: Corrosion in 3.5 % sodium chloride solution
( Elsevier , 2020 , Article)White bronzes are electrodeposited coatings applied on brass as surface finishes. We report a comparative study on the corrosion resistance in chloride aqueous environment of two white bronzes, a Zn-bearing and a Zn-free. ... -
Highly improved AC conductivity of poly(aniline-o-fluoroaniline)
( Institute for Ionics , 2019 , Article)An improved frequency dependent AC-conductivity ng of poly(aniline-co-o-fluoroaniline)s (PA-co-o-FAs) has been recorded which are synthesized by in-situ copolymerization of aniline with o-fluoroaniline by oxidation of the ... -
How do restaurant atmospherics influence restaurant authenticity? An integrative framework and empirical evidence
( Elsevier Ltd , 2021 , Article)The study proposes an integrative conceptualization to capture the theoretical notion of perceived restaurant authenticity (PRA). It conceptualizes PRA as a multidimensional construct consisting of four dimensions. ... -
Impact of CNTs' treatment, length and weight fraction on ordinary concrete mechanical properties
This study investigates the effect of the treatment, length and weight fraction parameters of multi-wall carbon nanotubes (MWCNT) on the mechanical properties of concrete. Mixes with various CNTs’ amounts ranging between ... -
The impact of religion and modernity on luxury consumption in an Arabian Gulf community: does self-construal matter?
( Emerald , 2022 , Article)Purpose: This study aims to investigate the simultaneous impact of religion and modernity on attitude toward luxury consumption in Qatar, with emphasis on the mediating effect of self-construal. The authors propose the ... -
Launching a 148m-Long Tunnel Boring Machine from a 15m-Inner Diameter Shaft
( Qatar University Press , 2023 , Conference Paper)The city of Doha has grown and expanded rapidly in the last 20 years, but this growth has strained the country's infrastructure, including its aging sewerage system and treatment facilities. ASHGHAL has therefore launched ... -
Mobile government services and resident satisfaction: Evaluation of Kahramaa mobile services
( IGI Global , 2019 , Article)The success of any mobile service depends on the perceived efficiency and effectiveness of using the service. This research article attempts to evaluate the factors influencing the effectiveness and efficiency of the ... -
Phase, microstructure and tensile strength of Al–Al2O3–C hybrid metal matrix composites
( SAGE Publications Ltd , 2020 , Article)The aim of the present study is to investigate the effect of alumina (Al2O3)–carbon (C) reinforcement on the properties of aluminium matrix. Aluminium matrix reinforced with Al2O3–carbon (2.5, 5, 7.5 and 10 wt.%) in equal ... -
Silicon–Germanium bilayer sputtered onto a carbon nanotube sheet as anode material for lithium–ion batteries
( Elsevier Ltd , 2019 , Article)In this work, multiwalled carbon nanotube-silicon/germanium (MWCNT-Si/Ge) electrodes were prepared by layer-by-layer deposition of Si and Ge films onto an MWCNT sheet using RF magnetron sputtering. The MWCNT-Si/Ge composites ... -
Social media: Adoption and legal issues impact on business innovation
( Inderscience , 2015 , Article)Copyright © 2015 Inderscience Enterprises Ltd. This study explored the impact of the social media adoption, and the related legal issues on the business innovation within the Gulf Cooperation Council (GCC), particularly ...