Search results for: A.P.I. Popoola

Items from 1 to 20 out of 39 results

article

Influence of Si3N4 on Ti-6Al-4V via spark plasma sintering: Microstructure, corrosion and thermal stability

F.M. Kgoete, A.P.I. Popoola, O.S.I. Fayomi, I.D. Adebiyi

Journal of Alloys and Compounds > 2018 > 763 > C > 322-328

The objective of this research was to study the influence Si₃N₄ on Ti-6Al-4V via spark plasma sintering process. The experiments were performed at a temperature of 1000 °C with a holding time of 6 min under a pressure of 50Mpa.Ti-6Al-4V powder was admixed with different weight proportions of Si₃N₄ powder. Sintered composite samples were produced from the mixture and the influence of Si₃N₄ on the microstructure;...

article

The Inhibitive Action of Castor Seed Oil Toward the Corrosion of Aluminum in Saline Medium

O. Sanni, Api Popoola

Journal of Failure Analysis and Prevention > 2018 > 18 > 5 > 1191-1197

Corrosion of metal is a costly material science problem which originates from the day of metal discovery. Corrosion inhibitor usage is an effective way of addressing metallic corrosion in aggressive environments but continued usage of synthetic chemicals for inhibiting corrosion is indefensible as a result of toxicity of the chemicals to the environmental ecosystem. Eco-friendly corrosion inhibiting...

article

Effect of SnO2/SiO2 nano particle dispersant on the performance characteristic of complex multi-doped composite coating produced through electrodeposition on oil and gas storage tap

P.A.L. Anawe, O.S.I. Fayomi, A.A. Ayoola, A.P.I. Popoola

Results in Physics > 2018 > 9 > C > 1570-1571

The effect of SnO₂/SiO₂ nano particle dispersant on the performance characteristic of complex zinc multi-doped composite coating produced through electrodeposition is studied. The degradation behaviour in term of wear and chemical corrosion activities were considered as a major factor in service. The wear mass loss was carried out with the help of reciprocating tester. The electrochemical corrosion...

article

Data on the effect of current density relationship on the super-alloy composite coating by electrolytic route

O.S.I. Fayomi, A.A. Daniyan, L.E. Umoru, A.P.I. Popoola

Data in Brief > 2018 > 18 > C > 776-780

In this work, a detail effect of nanoparticle loading and improved process parameter on the synthesis of modified Zn-TiO₂ electrocodeposited nanocomposite coating was presented. The coatings were performed at constant time of 20 minute at a stirring rate of 400 rpm at temperature of 70 °C. The effect of particle loading and input current on the properties of the electrocodeposited Nanocomposite was...

article

Enhanced corrosion resistance of stainless steel type 316 in sulphuric acid solution using eco-friendly waste product

O. Sanni, A.P.I. Popoola, O.S.I Fayomi

Results in Physics > 2018 > 9 > C > 225-230

Literature has shown that different organic compounds are effective corrosion inhibitors for metal in acidic environments. Such compounds usually contain oxygen, nitrogen or sulphur and function through adsorption on the metal surface, thereby creating a barrier for corrosion attack. Unfortunately, these organic compounds are toxic, scarce and expensive. Therefore, plants, natural product and natural...

article

Data analysis and study of the influence of deposition power on the microstructural evolution and functionality of metallic phase composite coating

T. Monyai, O.S.I. Fayomi, A.P.I. Popoola

Data in Brief > 2018 > 17 > C > 757-762

In anticipation for resolution of deterioration catastrophe on metallic materials, researches in the field of corrosion remains. Zn–Ni–NbO₂ deposits were obtained on mild steel substrate using D.C. power source. The thermal stability properties of the coatings were determined by micro-hardness evaluations before and after heat treatment at 250 and 350 °C. The surface structure analysis was done by...

article

Investigation of a failed circular sawmill blade structures

D.T. Oloruntoba, A.P.I. Popoola

Engineering Failure Analysis > 2017 > 82 > C > 835-839

The engineering materials fracture is an undesirable event due to human lives that could be in jeopardy, economic loss, and the negative interference with the availability of products and services. Sawmill blade performance depends on many factors ranging from the structure of the materials of the blade, applied load, operating conditions and the target body to cut. A sawmill blade cutting tooth must...

article

Structural properties and microhardness performance of induced composite coatings filled with Cocos nucifera-tin functionalized oxide

O.S.I. Fayomi, O.O Joseph, A.P.I. Popoola

Energy Procedia > 2017 > 119 > C > 910-915

The potential of Cocos nucifera (CJ)-tin functionalized oxide prepared in sulphate bath on zinc based electrolyte was examined in an attempt to improve the structural behaviour and examined the microhardness characteristics of the developed coatings. The microstructural evolution was checked using scanning electron microscope attached with energy dispersive spectrometer (SEM-EDS). The microhardness...

article

Assessment of Potassium Chromate Inhibition and Adsorption on Type A513 Mild Steel in Simulated Contaminated Media

O.S.I. Fayomi, A.P.I. Popoola, O.O. Joseph

Energy Procedia > 2017 > 119 > C > 883-890

The effect of potassium chromate (K2CrO4) compound on the inhibitive performance of type A513 mild steel was studied using linear and open circuit polarization technique with µAutolab PGstat101. The structural degradation tendency was observed with high resolution optical microscope. Data obtained from Tafel plot showed that the organic compound performed effectively in acid/chloride solution at all...

article

Residual stresses and corrosion performance of plasma sprayed zinc-based alloy coating on mild steel substrate

M.H. Mathabatha, A.P.I. Popoola, O.P. Oladijo

Surface and Coatings Technology > 2017 > 318 > C > 293-298

Plasma spraying technique stands out among the various processes for enhancing the surface characteristics of engineering materials. Many authors have conducted research on different types of deposition technologies in relation to the corrosion performance of different coatings. However, not all aspects of these processes are fully understood. This study focused on the residual stresses and corrosion...

article

Comparative studies of microstructural, tribological and corrosion properties of Zn-TiO2 and Zn-TiO2-WO3 nano-composite coatings

A.A. Daniyan, L.E. Umoru, A.P.I. Popoola, O.S.I. Fayomi

Results in Physics > 2017 > 7 > C > 3222-3229

Nano sized composites of Zn-TiO₂ and Zn-TiO₂-WO₃ were produced via electrocodeposition on plain carbon steel. The effect of input current on the microstructure, mechanical strengthening and corrosion properties were compared. The morphological features of the composite coatings were characterized by scanning electron microscope (SEM) equipped with energy dispersive spectrometer (EDS); mechanical properties...

article

In-situ hybrid study of thermal behaviour of ZnNi and ZnNiAl2O3 nanocrystallite thin films induced TEA/MEA by electrocodeposition

M. Abdulwahab, O.S.I. Fayomi, A.P.I. Popoola, M.R. Dodo

Results in Physics > 2017 > 7 > C > 213-215

Our present investigation focuses on the thermal stability of already developed electroforms of ZnNi and ZnNiAl₂O₃ thin films induced with triethylamine (TEA) and monoethylamine (MEA) as surfactant by electrocodeposition on mild steel substrate with the aim to re-examine its micro-hardness and degradation behaviour in static sodium chloride solution. In the event, the samples were thermally treated...

article

Development of reinforced in-situ anti-corrosion and wear Zn-TiO2/ZnTiB2 coatings on mild steel

O.S.I. Fayomi, A.P.I. Popoola, L.R. Kanyane, T. Monyai

Results in Physics > 2017 > 7 > C > 644-650

The development of reinforced composite coating has resulted into advanced engineering application because of the exceptional properties and increase service life. In this study, we investigated the effect of Solanum tuberosum (ST) as additive to Zn-TiO₂/Zn-TiB₂ sulphate bath coating by co-deposition route on mild steel. The structural characteristics and surface profile of the produced coating were...

article

Investigation of microstructural and physical characteristics of nano composite tin oxide-doped Al3+ in Zn2+ based composite coating by DAECD technique

P.A.L. Anawe, O.S.I. Fayomi, A.P.I. Popoola

Results in Physics > 2017 > 7 > C > 777-788

In other to overcome the devastating deterioration of mild steel in service, Zn-based embedded Al/SnO₂ composite coatings have been considered as reinforcing alternative replacements to the more traditional deposition for improved surface properties by using Dual Anode Electrolytic Co-deposition (DAECD) technique from chloride bath. The structural characterization of the starting materials and deposited...

article

Anti-corrosion coating of mild steel using ternary Zn-ZnO-Y2O3 electro-depositon

A.P.I. Popoola, V.S. Aigbodion, O.S.I. Fayomi

Surface and Coatings Technology > 2016 > 306 > PB > 448-454

Mild steel has found many engineering applications due to its great formability, availability, low cost and good mechanical properties among others. However its functionality and durability are subjects of concern due to corrosion deterioration. Based on these, Yttria is selected as reinforcing particles using electroplating process to enhance the corrosion and wear behaviors. Bath formulation of...

article

The effect of nanoparticulate loading on the fabrication and characterization of multi-doped Zn-Al2O3-Cr2O3 hybrid coatings on mild steel

N. Malatji, A.P.I. Popoola, O.S.I Fayomi

The International Journal of Advanced Manufacturing Technology > 2017 > 90 > 9-12 > 2443-2452

Nanoparticle Al2O3/Cr2O3 was successfully incorporated into Zn rich by electrodeposition technique to produce Zn-Al2O3-Cr2O3 ternary coatings. The morphology and structural characteristics of the fabricated electrodeposits were characterized by scanning electron microscopy (SEM) affixed with energy-dispersive spectroscopy and X-ray diffraction. The electrochemical behavior of the coatings was studied...

article

Corrosion and wear properties of Ni-Sn-P ternary deposits on mild steel via electroless method

A.P.I. Popoola, C.A. Loto, C.O. Osifuye, V.S. Aigbodion, more

Alexandria Engineering Journal > 2016 > 55 > 3 > 2901-2908

The rising necessity to improve corrosion and wear resistance of metals for engineering applications cannot be over emphasized. This has led to employing diverse models, method and techniques to obtain better corrosion and wear resistances for metallic materials and components which will otherwise fail during service. This work investigated the effect of Ni-P binary and Ni-Sn-P ternary electroless...

article

Low pressure cold spray coating of Ti-6Al-4V with SiC-based cermet

D.I. Adebiyi, A.P.I. Popoola, I. Botef

Materials Letters > 2016 > 175 > C > 63-67

The possibility of using the low pressure cold spray system to deposit SiC-based cermet on Ti-6Al-4V was investigated at 0.99 Mpa for 450, 500 and 550°C. The characterizations of the coatings reveal that the initial phases in the feedstock powder were retained in the coatings. No detrimental phase transformation, decomposition and/or decarburization of the SiC. There was peak shift between the phases...

article

Structural evolution, thermomechanical recrystallization and electrochemical corrosion properties of Ni-Cu-Mg amorphous coating on mild steel fabricated by dual-anode electrolytic processing

M. Abdulwahab, O.S.I. Fayomi, A.P.I. Popoola

Applied Surface Science > 2016 > 375 > C > 162-168

The electrolytic Ni-Cu based alloy coating with admixed interfacial blend of Mg have been successfully prepared on mild steel substrate by dual anode electroplating processes over a range of applied current density and dwell time. The electrocodeposition of Ni-Cu-Mg coating was investigated in the presence of other bath additives. The influence of deposition current on surface morphology, adhesion...

article

Experimental study of hardness values and corrosion behaviour of laser alloyed Zn-Sn-Ti coatings of UNS G10150 mild steel

O.S. Fatoba, A.P.I. Popoola, V.S. Aigbodion

Journal of Alloys and Compounds > 2016 > 658 > C > 248-254

Coatings obtained from Zn-Sn bath are characterized by the traditional phases, whereas presence of Ti leads to coatings constituted by phase in the inner layers, and by an outer layer made of three phases and intermetallic phases which made the materials to be brittle. In order to enhance the properties of Zn-Sn-Ti coating of mild steel lead to the investigation of Zn-Sn-Ti coating on the mild steel...

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Search results for: A.P.I. Popoola

Influence of Si3N4 on Ti-6Al-4V via spark plasma sintering: Microstructure, corrosion and thermal stability

The Inhibitive Action of Castor Seed Oil Toward the Corrosion of Aluminum in Saline Medium

Effect of SnO2/SiO2 nano particle dispersant on the performance characteristic of complex multi-doped composite coating produced through electrodeposition on oil and gas storage tap

Data on the effect of current density relationship on the super-alloy composite coating by electrolytic route

Enhanced corrosion resistance of stainless steel type 316 in sulphuric acid solution using eco-friendly waste product

Data analysis and study of the influence of deposition power on the microstructural evolution and functionality of metallic phase composite coating

Investigation of a failed circular sawmill blade structures

Structural properties and microhardness performance of induced composite coatings filled with Cocos nucifera-tin functionalized oxide

Assessment of Potassium Chromate Inhibition and Adsorption on Type A513 Mild Steel in Simulated Contaminated Media

Residual stresses and corrosion performance of plasma sprayed zinc-based alloy coating on mild steel substrate

Comparative studies of microstructural, tribological and corrosion properties of Zn-TiO2 and Zn-TiO2-WO3 nano-composite coatings

In-situ hybrid study of thermal behaviour of ZnNi and ZnNiAl2O3 nanocrystallite thin films induced TEA/MEA by electrocodeposition

Development of reinforced in-situ anti-corrosion and wear Zn-TiO2/ZnTiB2 coatings on mild steel

Investigation of microstructural and physical characteristics of nano composite tin oxide-doped Al3+ in Zn2+ based composite coating by DAECD technique

Anti-corrosion coating of mild steel using ternary Zn-ZnO-Y2O3 electro-depositon

The effect of nanoparticulate loading on the fabrication and characterization of multi-doped Zn-Al2O3-Cr2O3 hybrid coatings on mild steel

Corrosion and wear properties of Ni-Sn-P ternary deposits on mild steel via electroless method

Low pressure cold spray coating of Ti-6Al-4V with SiC-based cermet

Structural evolution, thermomechanical recrystallization and electrochemical corrosion properties of Ni-Cu-Mg amorphous coating on mild steel fabricated by dual-anode electrolytic processing

Experimental study of hardness values and corrosion behaviour of laser alloyed Zn-Sn-Ti coatings of UNS G10150 mild steel

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