Browsing Chemical Engineering by Author "Kahraman, Ramazan"
Now showing items 21-40 of 54
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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, ... -
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 ... -
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 ... -
Ni-P-TiO2 Composite coatings on copper produced by sol-enhanced electroplating
Wang, Yuxin; Chen, Weiwei; Shakoor, Abdul; Kahraman, Ramazan; Lu, Wei; Yan, Biao; Gao, Wei... more authors ... less authors ( Electrochemical Science Group , 2014 , Article)Ni-P-TiO2 composite coatings were prepared on copper substrate by TiO2 sol-enhanced electroplating. A systematic study of Ni-P-X coatings with different sol concentrations (TiO2 concentration X from 0 to 50 mL/L) has been ... -
Novel Ni-B/AlN nanocomposite coatings for oil and gas industry
Radwan, A. Bahgat; Ali, Kamran; Ahmed, Said Elmi; Mahmoud, Abdelrahman Adel; Kahraman, Ramazan; Shakoor R.A.a; Montemor F.M.... more authors ... less authors ( National Assoc. of Corrosion Engineers International , 2018 , Conference Paper)Corrosion is a major cause of materials and equipment failure in the oil and gas industry, and its prevention is crucial to ensure reliability of the assets. Towards, this goal, Ni-B/AlN nanocomposite coatings were synthesized ... -
Numerical simulation of the fracture and compression response of self-healing concrete containing engineered aggregates
Pan, Xiaoying; Gencturk, Bora; Alnaggar, Mohammed; Sohail, Muazzam Ghous; Kahraman, Ramazan; Al Nuaimi, Nasser; Rodrigues, Debora F.; Yildirim, Yucel... more authors ... less authors ( Elsevier , 2023 , Article)The existing self-healing concretes that rely on capsules require modifications to one or more traditional concrete mixing, placing, and consolidating methods. Additionally, concrete mixture designs need alterations to ... -
Performance of Mild Steel and Corrosion-Resistant Steel Rebars in Chloride-Contaminated Concrete
Sohail, Muazzam Ghous; Al Nuaimi, Nasser; Alnahhal, Wael; Kahraman, Ramazan ( Qatar University Press , 2023 , Conference Paper)Reinforced concrete (RC) infrastructure in Arabian Peninsula is subjected to harsh climatic conditions of high temperatures, humidity, and airborne chlorides and there is a high concentration of salts in seawater and soils. ... -
Polyolefin-Based Smart Self-Healing Composite Coatings Modified with Calcium Carbonate and Sodium Alginate.
Nawaz, Muddasir; Shakoor, Rana Abdul; Al-Qahtani, Noora; Bhadra, Jolly; Al-Thani, Noora Jabor; Kahraman, Ramazan... more authors ... less authors ( MDPI , 2024 , Article)Corrosion-related damage incurs significant capital costs in many industries. In this study, an anti-corrosive pigment was synthesized by modifying calcium carbonate with sodium alginate (SA), and smart self-healing coatings ... -
Preparation and property of duplex Ni-B-TiO2/Ni nano-composite coatings
Wang, Shu-Jen; Wang, Yuxin; Shu, Xin; Tay, Seeleng; Gao, Wei; Shakoor, R. A.; Kahraman, Ramazan... more authors ... less authors ( World Scientific Publishing Co. Pte Ltd , 2015 , Article)The duplex Nickel-Boron-Titania/Nickel (Ni-B-TiO2/Ni) coatings were deposited on mild steel by using two baths with Ni as the inner layer. TiO2 nanoparticles were incorporated into the Ni-B coatings as the outer layer by ... -
Processing and characterization of palm fiber-polypropylene composites
Kahraman, Ramazan; Abbasi, Sarfraz; Abu-Sharkh, Basel ( Trans Tech Publications Ltd , 2011 , Conference Paper)Composites of palm fiber and polypropylene were compounded using a mixing device at various temperatures, mixing times, and mixing intensities. Two mixing options were utilized. Either the mixing device was mounted with a ... -
Promising And Anomalous Structural And Electrochemical Properties Of Polyanionic Phosphates In Sodium Ion Batteries
Sun Park, Chan; Yeon Lim, Soo; Shakoor, Abdul; Kahraman, Ramazan; Wook Choi, Jang ( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)This work presents a recent progress on the polyanionic phosphate family that functions as cathode materials in sodium ion batteries (SIBs). Firstly, this study will cover vanadium-containing frameworks that show very ... -
Properties of electrodeposited Ni-B-ZrO2 composite coatings
Shakoor, R.A.; Kahraman, Ramazan; Waware, Umesh S.; Wang, Yuxin; Gao, Wei ( Electrochemical Science Group , 2015 , Article)Ni-B coatings have high hardness and high wear resistance which make them suitable for automotive, aerospace, petrochemical, textile and electronics industries. Further improvement in properties (especially the corrosion ... -
Second law analysis of a gravity-driven liquid film flowing along an inclined plate subjected to constant wall temperature
Al-Ahmed, Abdullah I.; Kahraman, Ramazan; Sahin, Ahmet Z.; Arshad, Mohammad Hasan ( Inderscience Publishers , 2014 , Article)The second law analysis of a gravity-driven liquid having temperature-dependent viscosity and flowing along an inclined heated plate was studied. The computational fluid dynamics (CFD) package FLUENT was used to obtain the ...