Search Results - "Olubambi, P. A."

Influence of nickel additions on the corrosion behaviour of low nitrogen 22% Cr series duplex stainless steels by Potgieter, J.H., Olubambi, P.A., Cornish, L., Machio, C.N., Sherif, El-Sayed M.

“…Four 22% Cr duplex stainless steel alloys containing varying nickel contents of approximately 5%, 7%, 9% and 13% were melted in a vacuum induction furnace, hot…”
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Turbula mixing characteristics of carbide powders and its influence on laser processing of stainless steel composite coatings by Obadele, B.A., Masuku, Z.H., Olubambi, P.A.

“…In this study, the mixing characteristics of feedstock carbides powders for laser synthesis of stainless steel composite coatings were investigated in a…”
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The beneficial effect of ruthenium additions on the passivation of duplex stainless steel corrosion in sodium chloride solutions by Sherif, El-Sayed M., Potgieter, J.H., Comins, J.D., Cornish, L., Olubambi, P.A., Machio, C.N.

“…The effect of varying ruthenium contents of 0.00, 0.14, 0.22, and 0.28% on the corrosion of 22%Cr–9%Ni–3%Mo duplex stainless steel (DSS) after different…”
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Influence of microwave pretreatment on the bioleaching behaviour of low-grade complex sulphide ores by Olubambi, P.A.

“…Mineralogical information on the mechanisms by which microwave pretreatment improves the bioleaching behaviour of low-grade complex sulphide ore, and an…”
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Comparative study of spark plasma sintering features on the densification of Ni-Cr binary alloys by Babalola, B J, Shongwe, M B, Obadele, B A, Olubambi, P A, Ayodele, O O, Rominiyi, A L, Jeje, S O

“…Spark plasma sintering (SPS) has been widely regarded as an advanced powder consolidation technique hich helps in the development of array of engineering…”
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Effects of minor additions of ruthenium on the passivation of duplex stainless-steel corrosion in concentrated hydrochloric acid solutions by Sherif, El-Sayed M., Potgieter, J. H., Comins, J. D., Cornish, L., Olubambi, P. A., Machio, C. N.

“…The effects of minor additions of ruthenium (0.14%, 0.22%, and 0.28%) on the passivation of duplex stainless-steel (DSS, Fe–22%Cr–9%Ni–3%Mo) corrosion in 2 M…”
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INVESTIGATIONS ON THE MECHANISMS OF SULFURIC ACID LEACHING OF CHALCOPYRITE IN THE PRESENCE OF HYDROGEN PEROXIDE by Olubambi, P. A., Potgieter, J. H.

“…The sulfuric acid leaching behavior of chalcopyrite in the presence of hydrogen peroxide was studied at 25°C using electrochemical techniques. The effects of…”
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Scalability of copper selenide (CuSe) thin films using electrodeposition technique with three electrode configurations for solar energy applications by Faremi, A.A., Olubambi, P.A., Oluyamo, S.S.

“…•Electrodeposition of CuSe thin films using Ag/AgCl as a reference electrode.•Tune the physical properties of the material by the variation of cathodic…”
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Fatigue performance of the aluminium‐magnesium/magnesium aluminate in‐situ composites synthesized through manganese dioxide and copper oxide reinforcement by Palanisamy, C., Raman, R., Olubambi, P. A.

“…Abstract Aluminium‐2magnesium alloy castings find its application in engineering sectors where fatigue property is a key requirement. Few researches have been…”
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Effects of ore mineralogy on the microbial leaching of low grade complex sulphide ores by Olubambi, P.A., Ndlovu, S., Potgieter, J.H., Borode, J.O.

“…The effect of ore mineralogy on the microbial leaching of low grade complex sulphide ores was investigated by utilizing mineralogical data on the variations in…”
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Role of ore mineralogy in optimizing conditions for bioleaching low-grade complex sulphide ores by OLUBAMBI, P.A., NDLOVU, S., POTGIETER, J.H., BORODE, J.O.

“…The role that ore mineralogy plays in understanding and optimizing the conditions favouring the bioleaching of complex sulphide ore containing high amounts of…”
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Thermoelectric properties of ZnO ceramics densified through spark plasma sintering by Radingoana, P.M., Guillemet-Fritsch, S., Noudem, J., Olubambi, P.A., Chevallier, G., Estournès, C.

“…Thermoelectric properties of pure ZnO ceramics were investigated in this study. ZnO powders were sintered using spark plasma sintering by varying temperature…”
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Field-Assisted Sintering on Microstructural Evolution and Properties of TiAl Intermetallic Alloys by Nsiah-Baafi, E., Andrews, A., Ramakokovhu, M. M., Olubambi, P. A.

“…The addition of minor fractions of grain refiners commonly improves the mechanical properties of TiAl intermetallic alloys. In this study, Ti-36 wt.% Al…”
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Electrochemical studies on interplay of mineralogical variation and particle size on bioleaching low grade complex sulphide ores by OLUBAMBI, P.A., POTGIETER, J.H., NDLOVU, S., BORODE, J.O.

“…The interplay of mineralogical variation and mineral phase distribution within varying particle sizes on the dissolution behaviour of a low grade complex…”
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Interface Analysis of Spark Plasma Sintered Carbon Nanotube Reinforced Ti6Al4V by Adegbenjo, A. O., Olubambi, P. A., Westraadt, J. E., Lesufi, M., Mphahlele, M. R.

“…This study investigated the dispersion and interface reactions in a multi-walled carbon nanotube (MWCNTs) reinforced Ti6Al4V composite consolidated by the…”
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Recrystallization mechanisms during high-temperature XRD and oxidation behavior of CNT-reinforced NiAl composites by Awotunde, M.A., Babalola, B.J., Olubambi, P.A., Chen, D.L.

“…In this study, a new perspective is presented on the CNTs-reinforced NiAl intermetallic composites, focusing on the influence of CNT addition on their…”
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Effect of SPS consolidation parameters on submicron Cu and Cu–CNT composites for thermal management by Sule, R., Olubambi, P.A., Sigalas, I., Asante, J.K.O., Garrett, J.C.

“…The effect of oxygen content on sub-micron sized copper and copper reinforced with CNTs was investigated using spark plasma sintering (SPS). The powders were…”
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Inhibitive performance of Sida acuta and monoethylene glycol on the under deposit corrosion of UNS S30403 stainless steel by Aribo, S., Adeyeye, O. D., Olusegun, S. J., Ige, O. O., Ogunbadejo, A. S., Igbafen, E. O., Olubambi, P. A.

“…The synergistic effects of monoethylene glycol (MEG) and leaf extract of Sida acuta on UNS S30403 stainless steel under sand deposit in aerated 3.5-wt.% NaCl…”
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Development, characterization and comparison of spark plasma-sintered Gr–Cu and Gr–Al composites reinforced with SiC and ZrB2 particles for thermal management by Asafa, T. B., Durowoju, M. O., Diouf, S., Shongwe, M. B., Bayode, B. L., Oladosu, K. O., Langa, T., Olubambi, P. A., Ismail, O. S., Ajala, M. T., Olukokun, T. O., Ibn Shamsah, S. M., Sadiku, E. R.

“…Graphite–copper (Gr–Cu) and graphite–aluminum (Gr–Al) composites are potential candidates for enhanced thermal management for different engineering…”
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Tribological and Corrosion Behavior of HVOF-Sprayed WC-Co-Based Composite Coatings in Simulated Mine Water Environments by Masuku, Z. H., Olubambi, P. A., Potgieter, J. H., Obadele, B. A.

“…WC-based cermet coatings have been considered as alternative replacements to the more traditional hard chrome plating for improved surface properties. Though…”
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