تصفح Center for Advanced Materials حسب النوع "Conference Paper"
السجلات المعروضة 41 -- 60 من 90
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Environmental degradation of 30 to 50 years old reinforced concrete structures in Qatari climate
( Advanced Engineering Solutions , 2017 , Conference Paper)This paper presents the results of a field survey carried out on three reinforced concrete (RC) structures built respectively in 1960's 1970's and 1980's to determine the main load (environmental) and resistance (concrete ... -
THE ENVIRONMENTAL EFFECT OF RECYCLE POLYPROPYLENE REINFORCED WITH WOOD AND GLASS FIBERS BY USING LIFE CYCLE ASSESSMENT
( Politecnico di Torino - Department of Mechanical and Aerospace Engineering Italy , 2012 , Conference Paper)In this paper investigates the environment impact for recycle polypropylene which reinforced with natural wood fiber by extrusion. The purpose of this work was to reduce the environmental impact for the new products by ... -
Estimation of lubricity properties of nanolubricants
( Elsevier Ltd , 2020 , Conference Paper)The lubricating performances liquid lubricants can be enhanced by homogeneously dispersing nanoparticles as an additive and it is estimated by mechanico-dynamical test. Four-ball wear test is a standard mechanico-dynamical ... -
Evaluation of Bond Strength Between Carbon Fiber Reinforced Polymer (CFRP) Composites with Modified Epoxy Resins and Concrete
( Qatar Univesrity Press , 2020 , Conference Paper)Rehabilitation and strengthening of concrete structures are becoming more significant in civil engineering applications. The use of externally bonded Fiber Reinforced Polymers (FRP) is one of the methods to strengthen and ... -
Experimental characterization of a tactile sensor for surgical applications
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)© 2018 IEEE. This paper presents an improved piezoelectric sensor fabricated using reduced graphene oxide (rGO)-filled polydimethylsiloxane (PDMS) elastomer composite that is able to sense the linear force applied onto its ... -
Figure of merit comparison of PP-based electret and PVDF-based piezoelectric polymer energy harvesters
( SPIE , 2016 , Conference Paper)The harvesting of mechanical strain and kinetic energy has received great attention over the past two decades in order to power wireless electronic components such as those used in passive and active monitoring applications. ... -
The Formation of Sulfide Scales on Carbon Steel in Saturated H2S
( Hilaris , 2020 , Conference Paper)There are three contributing elements of corrosion of Carbon Steel in H2S environment: the effect of H2S on water chemistry; electrochemical reactions of the bare iron surface (both anodic and cathodic processes); and the ... -
Friction and wear response of a hard-anodized aa6082
( Trans Tech Publications Ltd , 2021 , Conference Paper)The properties of anodized aluminum, and wear resistance in particular, are of high interest for the scientific community. In this study, discs of AA6082 were subjected to a peculiar hard anodizing process leading to ... -
Full-Scale Seawater Reverse Osmosis Desalination Plant Simulator
( Elsevier , 2020 , Conference Paper)Reverse Osmosis (RO) is an evolving membrane-based technology for water desalination that started to gain increased popularity in the light of the increased global water demand due its high efficiency and low carbon ... -
Graphene-filled PDMS Composite for Tactile Sensing of Surgical Graspers
( IEEE Computer Society , 2019 , Conference Paper)For tactile sensors to become useful technology, the required features should be flexibility, durability, and its sensitivity to physical contact. Conductive elastomer nanocomposites are widely used in fabricating a variety ... -
High and Ultra-high Performance Concretes: A Solution to Reinforced Concrete Durability under Harsh Climate of Arabian Gulf
( Qatar Univesrity Press , 2020 , Conference Paper)Reinforced concrete (RC) infrastructure in the Arabian Gulf region deteriorates under severe environmental conditions after only short service life. To overcome this problem, it is imperative to employ high-quality concretes ... -
Highly ordered mesoporous silica and halloysite nanotubes loaded with diethylenetriamine DETA for smart anti corrosion coatings
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)The development of nanoscience and technology has devoted significant attention to conducting studies on hollow particles. Among the available materials, mesoporous silica nanoparticles have recently gained attention as ... -
Inorganic Porous Materials Based Epoxy Self-Healing Coatings
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The long-term stability of protective coating for metal is critically important for structural applications [1, 2]. Self-healing ability extend the service life of protective coatings leading to a significant reduction in ... -
Kinetic Study Of The Crystallization Of Lldpe And Wax In Lldpe/wax Phase-change Blends Used For Thermal Energy Storage
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)Phase-change materials are used to store and release energy through phase changes, be it melting and solidification processes or solid state phase transitions. Among a large number of phase-change materials are paraffin ... -
Low cost anode electrocatalyst for Direct Methanol Fuel Cell applications
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Direct methanol fuel cell has attracted worldwide attention as a promising alternative clean energy source due to growing environmental problems. A number of scientific groups are working to develop the fuel cells and make ... -
Mechanical Energy Harvesting Behaviour Of Soft Polymeric Materials
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)This study is concentrated on the preparation of the soft polymeric materials with flexoelectric effect. The flexoelectricity can be defined as reversible process of the electrical energy harvesting upon dynamical mechanical ... -
Molecular and Structural Changes in Induced-Brain Stroke Tissue Using FTIR Imaging Spectroscopy, Scanning Electron and Atomic Force Microscopy
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)1. Background: Stroke, i.e. loss of brain function(s) due to disturbance in the blood supply to the brain, is the main cause of adult disability (e.g. paralysis) in the world, leaving more than half of the patients dependent ... -
New Processing Technique To Improve Physical And Mechanical Properties Of Graphene Nanocomposites
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)Nanocomposites are commonly used in many applications and new processing techniques are required to improve mechanical and physical properties of these materials. Graphene nanoplatelets (GNPs) have high aspect ratio and ... -
Nickel oxide carbon nanofiber composite for electrochemical oxidation of methanol
( Electrochemical Society Inc. , 2014 , Conference Paper)Electrospun fibers of a mixture of polyvinylpyrrolidone (PVP), polyaniline (PANI) and graphene were stabilized for 2 h at 200 °C and then carbonized at 800 °C for 5 h. Composites were prepared by depositing Ni(OH)2 on the ... -
Novel analysis of glycan structures: Nanoscale approach
( Avestia Publishing , 2016 , Conference Paper)Glycans are complex saccharide moieties covering all cell surfaces - presented on different biomolecules. Almost 75% of all proteins are glycosylated, and these glycans can form thousands of different structures.[1] Moreover, ...