• Effects of Velocity of Impact on Mechanical Properties and Microstructure of Medium Carbon Steel during Quenching Operations 

  Agboola, J.B.; Abubakre, O.K.; Mudiare, E.; Adeyemi, M.B (Scientific Research Publishing Inc. (Engineering), 2015-07-17)

  Theoretical analysis of the effects of the velocity of impact using suitable heat transfer equations expressed in forms of finite difference method was developed and used to determine their effects on the characteristic ...

• Effects of Bath Temperature on Cooling Rate, Mechanical Properties and Microstructure of Medium Carbon Steel during Quenching Operations 

  Agboola, J.B.; Abubakre, O.K.; Mudiare, E.; Adeyemi, M.B (Journal of Energy Technologies and Policy, 2015)

  The effects of variations of bath temperatures of Selected Nigerian Vegetable oils on cooling rates, mechanical properties and microstructure of the quenched steel samples were investigated in this work. Cooling curves ...

• Physico-chemical Characteristics and Fatty Acids Composition of Some Selected Nigerian Vegetable Oils for Quenching Medium 

  Agboola, J.B.; Abubakre, O.K.; Mudiare, E.; Adeyemi, M.B.; Hassan, S.B. (British Journal of Applied Science & Technology, 2015-04-08)

  Four vegetable oils (cottonseed oil, palm kernel oil, neem seed oil and palm oil) were characterized with respect to their physicochemical properties and fatty acids profiles with the aim of investigating their suitability ...

• Performance Assessment of Vegetable Oil and mineral oil blends during heat treatment of Medium Carbon Steel 

  Agboola, J.B.; Abubakre, O.K.; Edeki, M.; Adeyemi, M.B (International Journal of Microstructure and Materials Properties, 2016)

  A comparative study was carried out to investigate the suitability of some selected Nigerian vegetable oils as alternative quenchant to SAE40 engine oil for industrial heat treatment of Medium Carbon steels. The study ...

• STUDY OF TRIBOLOGICAL PROPERTIES OF TRAIN BRAKE BLOCK PRODUCED FROM CLAY BLENDED WITH STEEL SLAG 

  Obidiegwu, Eugenia O.; Ochulor, Ezenwanyi F.; Mgbemere, Henry E. (Journal of Engineering Research, 2020)

  Rail transportation is one of the most important and economical transportation systems. Thus, this paper investigates the tribological properties of composites produced from clay blended with steel slag for the train brake ...

• MODEL FOR PREDICTING MIX FORMULATION IN THE PRODUCTION OF INSULATING REFRACTORY BRICKS USING NIGERIAN FIRE-CLAYS AND COCONUT SHELL 

  Obidiegwu, Eugenia O.; Ochulor, Ezenwanyi F.; Mgbemere, Henry E. (Nigerian Journal of Technology (NIJOTECH), 2019-07)

  Lack of appropriate mix formulation has the tendency to degrade the strength of refractory bricks. This paper presents a model developed for evaluation and prediction of mix formulation for production of insulating refractory ...

• Beneficiation of Barite Ore from Azara in Nassarawa State, Nigeria, using Froth Flotation 

  Mgbemere, Henry E.; Obidiegwu, Eugenia O.; Obareki, Emmanuel (Nigerian Journal of Technological Development, 2019)

  Barite ore from Azara in Nassarawa State has been beneficiated using Jigging and Froth Flotation techniques by varying the pH of the solution. The chemical analysis indicates the presence of major elements Ba, S, O and ...

• BENEFICIATION OF AZARA BARITE ORE USING A COMBINATION OF JIGGING, FROTH FLOTATION AND LEACHING 

  Mgbemere, Henry E.; Obidiegwu, Eugenia O.; Obareki, Emmanuel (Nigerian Journal of Technology (NIJOTECH), 2018-10)

  In this research, Jigging, Froth Flotation and leaching have been used to beneficiate barite ore from Azara, Nasarawa State Nigeria. Chemical analysis on the ore indicates that it contains 53.09% of Ba and 11.52% S with ...

• Investigation of Mechanical Properties of Train Brake Block Produced from Polypropylene-Matrix Composite 

  Obidiegwu, Eugenia O.; Mgbemere, Henry E.; Oteju, Ayomikun Z. (ABUAD Journal of Engineering Research and Development (AJERD), 2021)

  Friction brakes in trains are very important aspect of railway transportation as they function based on friction between the braking elements and the wheels to perform speed control actions. Cast iron has been the conventional ...

• A Neuro Fuzzy Model for the Investigation of Deterioration of Metallic Pipe conveying fluid under different pipe burial depth, soil types and properties 

  Akano, T. T.; Fakinlede, O. A.; Mgbemere, H. E.; Amechi, J. C. (Nigerian Journal of Technology (NIJOTECH), 2017-01)

  Several factors may contribute directly or indirectly to the structural failure of metallic pipes. The most important of which is corrosion. Corrosivity of pipes is not a directly measurable parameter as pipe corrosion is ...

• THE EFFECT OF KAOLIN AND SILICA VARIATION ON THE PROPERTIES OF PORCELAIN INSULATORS 

  Mgbemere, Henry E; Onyeayana, I. P; Okoubulu, Augustine B. (Nigerian Journal of Technology (NIJOTECH), 2019-07)

  Clay, Al2O3, feldspar and silica have been used to produce shackle-type porcelain insulators using slip casting method. The amounts of silica and kaolin were varied from 10 to 30 wt. % while keeping the amounts of other ...

• Production and Characterisation of Porcelain Insulator Modified with Talc and Bentonite 

  Mgbemere, Henry; Obidiegwu, Eugenia; Oginni, Adetoun (Faculty of Engineering, University of Benin, Nigeria, 2020)

  Talc and bentonite were used in this research to modify the properties of porcelain insulators. Ball clay, kaolin, feldspar, quartz, talc and bentonite were weighed, milled and slip cast to produce the samples. Sintering ...

• CHARACTERIZATION OF TRAIN BRAKE-BLOCKS COMPOSITE REINFORCED WITH ALUMINUM-DROSS 

  Obidiegwu, Eugenia; Mgbemere, Henry; Ochulor, Ezenwanyi; Ajayi, Paul (Nigerian Journal of Technology (NIJOTECH), 2020-10)

  Brake blocks are usually made from asbestos, metals and ceramics. It has been realised that asbestos discharges dangerous gases which can be harmful. This problem necessitated the search for human-friendly materials. ...

• Preparation and Characterization of Zeolite type 4A using Kaolin from Ajebo, Nigeria 

  Mgbemere, Henry; Ekpe, Ikenna; Lawal, Ganiyu; Ovri, Henry; Chaudhary, Anna-Lisa (Universiti Putra Malaysia Press, 2019)

  This work investigates the hydrothermal synthesis and characterization of zeolite-4A from kaolin found in Ajebo, Nigeria calcined at 700 and 900oC respectively. The synthesized zeolite-4A was further characterised using ...

• Zeolite Synthesis, Characterization and Application Areas: A Review 

  Mgbemere, Henry; Ekpe, Ikenna; Lawal, Ganiyu (International Science Community Association, 2017-10)

  This report reviews the researches that have been carried out on the synthesis, characterization and application of zeolite. The material zeolite is introduced by first defining what it is, how it is nomenclatures used. ...

• SYNTHESIS OF ZEOLITE-A USING KAOLIN SAMPLES FROM DARAZO, BAUCHI STATE AND AJEBO, OGUN STATE IN NIGERIA 

  Mgbemere, Henry; Lawal, Ganiyu; Ekpe, Ikenna; Chaudhary, Anna-Lisa (Nigerian Journal of Technology (NIJOTECH), 2018-01)

  Kaolin samples from Ajebo and Darazo in Nigeria were characterized and used to produce zeolite-A crystals. The thermal analysis indicates that both samples undergo de-hydroxylation from 450 oC to about 700 oC and ...

• Effects Of Reinforcement Particle Sizes On Mechanical Properties Of Aluminium/Egg Shell Composites 

  Agunsoye, J.O.; Bello, S.A.; Yekinni, A.A.; Raheem, S.A.; Awe, O.I. (UNILAG Journal of Medicine, Science and Technology, 2016)

  The 100 and 150 µm sized CaCO3 particles (sourced from eggshells) from 2-12 wt.% by were used as reinforcements for the fabrication of Al ceramics composites using compo cast technique. The technique involves manual ...

• Mechanical Properties of Maize Stalk Nano-particle Reinforced Epoxy Composites 

  Agunsoye, J.O.; Bamigbaiye, A.A.; Bello, S.A.; Hassan, S.B. (Arabian Journal for Science and Engineering, 2020)

  This study addresses challenges of maize stalk wastes via conversion into nano-particles for producing epoxy composites at different levels of reinforcements. Mechanical tests were conducted on the produced epoxy composites. ...

• Particle Size Analysis and Characterization of Cassava (Manihot esculenta crantz) Stem Nanoparticles (CSNPs) via a Top-down Approach 

  Kolawole, F.O.; Agunsoye, J.O.; Bello, S.A.; Adebisi, J.A.; Hassan, S.B. (Annals of Science and Technology - B, 2016)

  Characterization of synthesized cassava stem nanoparticles (CSNPs) was carried out using SEM/EDX and Gwyddion software, XRD and TEM for cassava stem (CS) ball milled at 36, 48, 60 and 72 h. The morphology study was done ...

• Flexural Performances of Epoxy Aluminium Particulate Composites 

  Bello, S.A.; Agunsoye, J.O.; Adebisi, J.A.; Raji, N.K.; Adeyemo, R.G.; Alabi, A.G.F.; Hassan, S.B. (ENGINEERING JOURNAL, 2018)

  Polymers are characterised with lightness, ease of formability and resistance to chemical attack but their modulus and strength are low. Epoxy was reinforced with aluminium particles of different sizes. Bond, functional ...

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