Browsing by Author "Kahraman, Ramazan"
Now showing items 21-40 of 66
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Electrochemical and thermodynamic study on the corrosion performance of API X120 steel in 3.5% NaCl solution
Shahzad, Khuram; Sliem, Mostafa H.; Shakoor, R. A.; Radwan, A. Bahgat; Kahraman, Ramazan; Umer, Malik Adeel; Manzoor, Umair; Abdullah, Aboubakr M.... more authors ... less authors ( Nature Research , 2020 , Article)The present work studied the effect of temperature on the corrosion behavior of API X120 steel in a saline solution saturated with CO2 in absence and presence of polyethyleneimine (PEI) as an environmentally safe green ... -
Electrochemical behavior of mild and corrosion resistant concrete reinforcing steels
Sohail, Muazzam G.; Kahraman, Ramazan; Alnuaimi, Nasser A.; Gencturk, Bora; Alnahhal, Wael; Dawood, Mina; Belarbi, Abdeldjelil... more authors ... less authors ( Elsevier , 2020 , Article)An experimental study is carried out in this paper to evaluate the corrosion performance of mild steel reinforcing bars (MS), high strength steel reinforcing bars (HS), epoxy-coated steel reinforcing bars (EC), and ... -
Electrochemical Performance of Na3V2(PO4)2F3 Electrode Material in a Symmetric Cell
James Abraham, Jeffin; Moossa, Buzaina; Tariq, Hanan A.; Kahraman, Ramazan; Al-Qaradawi, Siham; Shakoor, R. A.... more authors ... less authors ( MDPI , 2021 , Article)A NASICON-based Na3V2(PO4)2F3 (NVPF) cathode material is reported herein as a potential symmetric cell electrode material. The symmetric cell was active from 0 to 3.5 V and showed a capacity of 85 mAh/g at 0.1 C. With ... -
Enhanced mechanical and corrosion protection properties of pulse electrodeposited NiP-ZrO2 nanocomposite coatings
Sliem, Mostafa H.; Shahzad, Khuram; Sivaprasad, V. N.; Shakoor, R. A.; Abdullah, Aboubakr M.; Fayyaz, Osama; Kahraman, Ramazan; Umer, Malik Adeel... more authors ... less authors ( Elsevier B.V. , 2020 , Article)Pulse electrodeposition is a technique of particular interest, which offers promising advantages such as ease of processing, compositional control, uniformity in structure, and grain refinement. In the present study, ... -
Environmental degradation of 30 to 50 years old reinforced concrete structures in Qatari climate
Sohail, Muazzam G.; Kahraman, Ramazan; Ozerkan, Nesibe Gozde; Wang, Ben; Jain, Amit; Gencturk, Bora; Dawood, Mina; Belarbi, Abdeldjelil... more authors ... less authors ( 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 ... -
Graphene wrapped Y2O3 coated LiNi0.5Mn1.5O4 quasi-spheres as novel cathode materials for lithium-ion batteries
Tariq, Hanan Abdurehman; Abraham, Jeffin James; Quddus, Aisha Abdul; AlQaradawi, Siham; Kahraman, Ramazan; Shakoor, R.A.... more authors ... less authors ( Elsevier Editora Ltda , 2021 , Article)LiNi0.5Mn1.5O4 with a high-voltage spinel structure is a potential cathode material for high-energy lithium-ion batteries (LIBs). Y2O3 coated quasi-spheres of LiNi0.5Mn1.5O4 covered in graphene (LNMO-YO-G) have been ... -
Highly ordered mesoporous silica and halloysite nanotubes loaded with diethylenetriamine DETA for smart anti corrosion coatings
Shakoor, Abdul; Ubaid, Fareeha; Shahzad, Khurram; Kahraman, Ramazan; Montemor, Fatima; Manzoor, Umair... more authors ... less authors ( 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 ... -
Highly protective polyolefin coating modified with ceria nano particles treated with N,N,N',N'-Tetrakis(2-hydroxyethyl)ethylenediamine for corrosion protection of carbon steel
Attaei, Mahboobeh; Taryba, Maryna G.; Shakoor, R. Abdul; Kahraman, Ramazan; Marques, Ana C.; Montemor, M. Fátima... more authors ... less authors ( Elsevier Ltd , 2022 , Article)A polyolefin coating was modified with cerium oxide nanoparticles treated with N,N,N',N'-Tetrakis(2-hydroxyethyl)ethylenediamine (THEEDA) as corrosion inhibitor for corrosion protection of carbon steel. Electrochemical ... -
Hybrid Halloysite Nanotubes as Smart Carriers for Corrosion Protection
Khan, Adnan; Hassanein, Amani; Habib, Sehrish; Nawaz, Muddasir; Shakoor, R. A.; Kahraman, Ramazan... more authors ... less authors ( American Chemical Society , 2020 , Article)Novel hybrid halloysite nanotubes (HHNTs) were developed and used as smart carriers for corrosion protection of steel. For this purpose, as-received halloysite nanotubes (HNTs) were loaded with a corrosion inhibitor, ... -
Hybrid microcapsules reinforced smart coatings for corrosion protection in oil and gas industry
Khan, Adnan; Hassanein, Amani; Shakoor, Abdul; kahraman, Ramazan; Montemor, Fatima; Hasan, Anwarul... more authors ... less authors ( Qatar University Press , 2020 , Poster)Corrosion is one of the critical causes of material loss in metal components. This research is focused on the synthesis, and electrochemical properties of polyelectrolyte layered microcapsules (PMCs) reinforced smart ... -
Impact of coatings on the electrochemical performance of LiNi0.5Mn1.5O4 cathode materials: A focused review
Qureshi, Zawar Alam; Tariq, Hanan Abdurehman; Shakoor, R.A.; Kahraman, Ramazan; AlQaradawi, Siham ( Elsevier Ltd , 2022 , Article Review)The application of Lithium-ion batteries (LIBs) in portable electronics and electric vehicles (EVs) has increased in the past decade. Extended commercialization of LIBs for advanced applications requires the development ... -
Improved electrochemical performance of SiO2-coated Li-rich layered oxides-Li1.2Ni0.13Mn0.54Co0.13O2
James Abraham, Jeffin; Nisar, Umair; Monawwar, Haya; Abdul Quddus, Aisha; Shakoor, R. A.; Saleh, Mohamed I.; Kahraman, Ramazan; Al-Qaradawi, Siham; Aljaber, Amina S.... more authors ... less authors ( Springer , 2020 , Article)Lithium-rich layered oxides (LLOs) such as Li1.2Ni0.13Mn0.54Co0.13O2 are suitable cathode materials for future lithium-ion batteries (LIBs). Despite some salient advantages, like low cost, ease of fabrication, high capacity, ... -
Improved properties of polyolefin nanocomposite coatings modified with ceria nanoparticles loaded with 2-mercaptobenzothiazole
Nawaz, Muddasir; Kahraman, Ramazan; Taryba, Maryna G.; Hassan, Mohammad K.; Attaei, M.; Montemor, M.F.; Shakoor, R.A.... more authors ... less authors ( Elsevier B.V. , 2022 , Article)Ceria nanoparticles (CNPs) were loaded with a corrosion inhibitor 2-Mercaptobenzothiazole (2-MBT), and used as an anticorrosive pigment. For that, the proposed additive was thoroughly mixed (1 wt%) into a Polyolefin matrix ... -
Improved self-healing performance of polymeric nanocomposites reinforced with talc nanoparticles (TNPs) and urea-formaldehyde microcapsules (UFMCs)
Sehrish, Habib; Fayyed, Eman; Shakoor, Rana Abdul; Kahraman, Ramazan; Abdullah, Aboubakr ( Elsevier B.V. , 2021 , Article)The present work reports the self-healing performance of the epoxy based polymeric nanocomposite coatings containing different concentrations (1 and 3 wt%) of talc nanoparticles (TNPs) modified with sodium nitrate (NaNO3), ... -
Influence of graphene wrapped-cerium oxide coating on spherical LiNi0.5Mn1.5O4 particles as cathode in high-voltage lithium-ion batteries
Qureshi, Zawar Alam; Tariq, Hanan Abdurehman; Hafiz, Hiba Mohammad; Shakoor, Rana Abdul; AlQaradawi, Siham; Kahraman, Ramazan... more authors ... less authors ( Elsevier Ltd , 2022 , Article)Cobalt-free LiNi0.5Mn1.5O4 (Lithium Nickel Manganese Oxide; LNMO) has garnered considerable interest as a cathode material due to its high working voltage, lower cost, and environmental friendliness. However, LNMO cathodes ... -
Life cycle assessment of particulate recycled low density polyethylene and recycled polypropylene reinforced with talc and fiberglass
AIMa'adeed, Mariam; Ozerkan, Gozde; Kahraman, Ramazan; Rajendran, Saravanan; Hodzic, Alma ( Trans Tech Publications Ltd , 2011 , Conference Paper)Although recycled polymers and reinforced polymer composites have been in use for many years there is little information available on their environmental impacts. The goal of the present study is to analyze the environmental ... -
Microstructure and properties of Ni-Co-TiO2 composite coatings fabricated by electroplating
Wang, Yuxin; Shu, Xin; Gao, Wei; Shakoor, R. A.; Kahraman, Ramazan; Yan, Pengfei; Lu, Wei; Yan, Biao... more authors ... less authors ( World Scientific Publishing Co. Pte Ltd , 2015 , Conference Paper)Ni-Co coatings are widely used due to their unique mechanical properties, high anticorrosion properties, good thermal stability and special magnetic properties. Ni-Co-xTiO2 (x = 0-20 g/L in the electrolyte) composite ... -
Microstructure and properties of sol-enhanced Ni-Co-TiO2 nano-composite coatings on mild steel
Wang, Yuxin; Tay, See Leng; Wei, Shanghai; Xiong, Chao; Gao, Wei; Shakoor, R.A.; Kahraman, Ramazan... more authors ... less authors ( Elsevier Ltd , 2015 , Article)Abstract Ni-Co-TiO2 nano-composite coatings were electroplated on mild steel by adding transparent TiO2 sol (0-50 mL/L) into the Ni-Co plating solution. The microstructure, mechanical property and corrosion resistance of ... -
Modified halloysite nanotubes decorated with Ceria for synergistic corrosion inhibition of Polyolefin based smart composite coatings
Qureshi, Ahmadyar; Habib, Sehrish; Nawaz, Muddasir; Shakoor, R.A.; Kahraman, Ramazan; Ahmed, Elsadig Mahdi... more authors ... less authors ( Elsevier , 2023 , Article)The deteriorating effect of corrosion can be controlled by applying suitable polymeric-based coatings. In this work, polyolefin based smart composite coatings containing modified halloysite nanotubes decorated with ceria ... -
Multilevel Self-Healing Characteristics of Smart Polymeric Composite Coatings
Hassanein, Amani; Khan, Adnan; Fayyad, Eman; Abdullah, Aboubakr M.; Kahraman, Ramazan; Mansoor, Bilal; Shakoor, R. A.... more authors ... less authors ( American Chemical Society , 2021 , Article)Smart polymeric composite coatings demonstrating multilevel self-healing characteristics were developed and characterized. The pH-responsive smart carriers were synthesized by loading halloysite nanotubes (HNTs) with the ...