Browsing by Author "Kahraman, Ramazan"
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A focused review on smart carriers tailored for corrosion protection: Developments, applications, and challenges
Habib, Sehrish; Shakoor, R.A.; Kahraman, Ramazan ( Elsevier B.V. , 2021 , Article Review)Steel-made infrastructures have been expanding at an incredible rate worldwide and are critical for the expansion and operation of countless industries. Steel is susceptible to corrosion failures, particularly in aggressive ... -
An Overview of Solid Waste Management and Plastic Recycling in Qatar
Al-Maaded, M.; Madi, N.K.; Kahraman, Ramazan; Hodzic, A.; Ozerkan, N.G. (2012 , Article)Municipal solid waste management (MSWM) constitutes one of the most crucial health and environmental problems facing authorities in the Arabian Gulf. Recent literature on current solid waste management (SWM) in Qatar has ... -
Anomalous manganese activation of a pyrophosphate cathode in sodium ion batteries: A combined experimental and theoretical study
Park, Chan Sun; Kim, Heejin; Shakoor, Rana A.; Yang, Eunjeong; Lim, Soo Yeon; Kahraman, Ramazan; Jung, Yousung; Choi, Jang Wook... more authors ... less authors (2013 , Article)Sodium ion batteries (SIBs) have many advantages such as the low price and abundance of sodium raw materials that are suitable for large-scale energy storage applications. Herein, we report an Mn-based pyrophosphate, ... -
Autonomous self-healing in epoxy coatings provided by high efficiency isophorone diisocyanate (IPDI) microcapsules for protection of carbon steel
Attaei, Mahboobeh; Calado, Lénia M.; Taryba, Maryna G.; Morozov, Yegor; Shakoor, R. Abdul; Kahraman, Ramazan; Marques, Ana C.; Montemor, M. Fátima... more authors ... less authors ( Elsevier B.V. , 2020 , Article)This work aims at investigating the self-healing ability of epoxy coatings, modified with microcapsules containing highly reactive isocyanate in their core. Highly efficient, thermally and chemically stable isophorone ... -
Bio self-healing concrete using MICP by an indigenous Bacillus cereus strain isolated from Qatari soil
Muazzam Ghous, Sohail; Disi, Zulfa Al; Zouari, Nabil; Nuaimi, Nasser Al; Kahraman, Ramazan; Gencturk, Bora; Rodrigues, Debora F.; Yildirim, Yucel... more authors ... less authors ( Elsevier , 2022 , Article)In this study, the self-healing process in concrete through microbial-induced calcium carbonate precipitation (MICP) performed by an adapted indigenous strain of Bacillus cereus isolated from soils in Qatar was investigated. ... -
Bond performance of tensile lap-spliced basalt-FRP reinforcement in high-strength concrete beams
Eltantawi, Islam; Alnahhal, Wael; El Refai, Ahmed; Younis, Adel; Alnuaimi, Nasser; Kahraman, Ramazan... more authors ... less authors ( Elsevier , 2022 , Article)This paper investigates the bond between high-strength concrete (HSC) and tensile lap-spliced basalt fiber-reinforced polymer (BFRP) bars. Ten large-scale BFRP-reinforced concrete beams (300 x 450 x 3900 mm) were fabricated ... -
Cellulose microfibers (CMFs) as a smart carrier for autonomous self-healing in epoxy coatings
Nawaz, Muddasir; Habib, Sehrish; Khan, Adnan; Shakoor, R. A.; Kahraman, Ramazan ( Royal Society of Chemistry , 2020 , Article)Synthesized cellulose microfibers (CMFs) were used as a smart carrier for the loading of inhibitor-dodecylamine (DOC) and inhibitor/self-healing polyethyleneimine (PEI). The loaded CMFs were thoroughly dispersed into the ... -
Cerium dioxide nanoparticles as smart carriers for self-healing coatings
Habib, Sehrish; Fayyad, Eman; Nawaz, Muddasir; Khan, Adnan; Shakoor, Rana A.; Kahraman, Ramazan; Abdullah, Aboubakr... more authors ... less authors ( MDPI AG , 2020 , Article)The utilization of self-healing cerium dioxide nanoparticles (CeO2), modified with organic corrosion inhibitors (dodecylamine (DDA) and n-methylthiourea (NMTU)), in epoxy coating is an efficient strategy for enhancing the ... -
Cerium oxide loaded with Gum Arabic as environmentally friendly anti-corrosion additive for protection of coated steel
Nawaz, Muddasir; Shakoor, R.A.; Kahraman, Ramazan; Montemor, M.F. ( Elsevier Ltd , 2021 , Article)The depreciation of assets and safety threats because of corrosion has forced to develop eco-friendly and smarter corrosion protection strategies. In this study, natural Gum Arabic (GA) was used as a corrosion inhibitor ... -
Corrosion Behavior of Corrosion-Resistant Steel Reinforcements in Normal-Strength and High-Performance Concrete: Large-Scale Column Tests and Analysis
Wang, v; Belarbi, Abdeldjelil; Dawood, Mina; Kahraman, Ramazan ( American Concrete Institute , 2022 , Article)This paper presents the findings of a systematic comparison of the corrosion behavior of corrosion-resistant steel reinforcements, including epoxy-coated steel, high-chromium steel, and stainless steel reinforcement in ... -
Corrosion behavior of high strength low alloy HSLA steel in 35 wt% NaCl solution containing diethylenetriamine DETA as corrosion inhibitor
Shakoor, Abdul; Shahzad, Khuram; Sliem, Mostafa H. R; Ubaid, Fareeha; Akbar, Himyan M; Abdullah, Aboubakr M; Kahraman, Ramazan; Montemor, Fatima M; Manzoor, Umair... more authors ... less authors ( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)High strength low alloy (HSLA) steels demonstrate improved mechanical and anticorrosion properties when compared to plain carbon steels. HSLA steels have succeeded to find their major applications in industries such as ... -
Corrosion of inhibitor treated mild steel immersed in distilled water and a simulated salt solution
Malaibari, Zuhair; Kahraman, Ramazan; Abdur Rauf, Md (2013 , Article)The purpose of this study was to investigate the performances of three inhibitors in controlling corrosion of local mild steel products in distilled water and a simulated salt solution. Corrosion inhibition of mild steel ... -
Duplex Ni-P-ZrO2/Ni-P electroless coating on stainless steel
Wang, Yuxin; Shu, Xin; Wei, Shanghai; Liu, Chuming; Gao, Wei; Shakoor, R.A.; Kahraman, Ramazan... more authors ... less authors ( Elsevier Ltd , 2015 , Article)Duplex Ni–P–ZrO2/Ni–P coating was electroless deposited onto stainless steel substrates. High phosphorus Ni–P coating was plated as the inner layer to improve the corrosion resistance and low phosphorus sol-enhanced Ni–P–ZrO2 ... -
Durability characteristics of high and ultra-high performance concretes
Sohail, Muazzam Ghous; Kahraman, Ramazan; Al Nuaimi, Nasser; Gencturk, Bora; Alnahhal, Wael ( Elsevier , 2021 , Article)Durability characteristics of high-performance concrete (HPC) and ultra-high performance concrete (UHPC) are evaluated in comparison to normal strength concrete (NSC). HPC and UHPC are cast using commonly available materials ... -
Effect of the modified hybrid particle on the corrosion inhibition performance of polyolefin based coatings for carbon steel
Habib, Sehrish; Nawaz, Muddasir; Kahraman, Ramazan; Ahmed, Elsadig Mahdi; Shakoor, R.A. ( Elsevier B.V. , 2022 , Article)This work reports the corrosion inhibition performance of modified hybrid particles reinforced into polyolefin matrix. The cerium oxide coated zinc oxide hybrid particles (CeO2@ZnO) were synthesized via a chemical precipitation ... -
Effectiveness of epoxy coating modified with yttrium oxide loaded with imidazole on the corrosion protection of steel
Nawaz, Muddasir; Naeem, Nazal; Kahraman, Ramazan; Montemor, M. F.; Haider, W.; Shakoor, R. A.... more authors ... less authors ( MDPI , 2021 , Article)The search for highly effective corrosion protection solutions to avoid degradation of the metallic parts is enabling the development of polymeric organic coatings. Of particular relevance, polymeric nanocomposite coatings, ... -
Electrochemical Analyses of Sodium based Mixed Pyrophosphate Cathodes for Rechargeable Sodium Ion Batteries
Raja, Arsalan Ahmad; Shakoor, Rana Abdul; Kahraman, Ramazan ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Lithium ion batteries (LIB) are widely applied to energy storage systems, like electric vehicles, ships. While limited reserves of lithium and cost of lithium enforced to explore new materials. Hence, Low cost and abundance ... -
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 ...