Search Results - "Ezugwu, E.O"

Key improvements in the machining of difficult-to-cut aerospace superalloys by Ezugwu, E.O.

“…Significant advances have been made in understanding the behaviour of engineering materials when machining at higher cutting conditions from practical and…”
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An overview of the machinability of aeroengine alloys by Ezugwu, E.O, Bonney, J, Yamane, Y

“…Advanced materials such as aeroengine alloys, structural ceramics and hardened steel provide a serious challenge for cutting tool materials during machining…”
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Improvements in the machining of aero-engine alloys using self-propelled rotary tooling technique by Ezugwu, E.O.

“…Approximately two-thirds of all the superalloys produced are consumed by the aerospace industry for the manufacture of jet engines and associated components,…”
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The machinability of nickel-based alloys: a review by Ezugwu, E.O., Wang, Z.M., Machado, A.R.

“…This paper presents a detailed review of the various types of nickel-based alloys available on a commercial basis and their development including alloying…”
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Performance of cutting fluids during face milling of steels by Vieira, J.M., Machado, A.R., Ezugwu, E.O.

“…An experimental investigation on the performance of an emulsion of mineral oil, semi-synthetic and synthetic cutting fluids when face milling AISI 8640 steel…”
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Cooling ability of cutting fluids and measurement of the chip-tool interface temperatures by Sales, W.F, Guimarães, G, Machado, Á.R, Ezugwu, E.O

“…Many machining researches are focused on cutting tools mainly due to the wear developed as a result of high temperatures generated that accelerate thermally…”
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Effect of high-pressure coolant supply when machining nickel-base, Inconel 718, alloy with coated carbide tools by Ezugwu, E.O., Bonney, J.

“…Inconel 718 was machined with a triple PVD coated (TiCN/Al2O3/TiN) carbide tool at speeds up to 50mmin−1 using conventional and various high coolant pressures,…”
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Solution to the economic dispatch problem of the Nigerian power system using genetic algorithm by Okozi, S.O., Ogbonna, G.C., Olubiwe, M, Ezugwu, E.O.

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Tool-wear prediction using artificial neural networks by Ezugwu, E.O., Arthur, S.J., Hines, E.L.

“…A mixed-oxide ceramic cutting tool (type K090) has been used to machine grey cast iron (grade G-14) in a turning process. Different values of feed rate and…”
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Titanium alloys and their machinability—a review by Ezugwu, E.O., Wang, Z.M.

“…Although there have been great advances in the development of cutting tool materials which have significantly improved the machinability of a large number of…”
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Evaluation of the performance of CBN tools when turning Ti–6Al–4V alloy with high pressure coolant supplies by Ezugwu, E.O., Da Silva, R.B., Bonney, J., Machado, Á.R.

“…Cubic Nitride Boron (CBN) tools are generally used for machining harder alloys such as hardened high Cr steels, titanium and nickel alloys. The tools are…”
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Machining of nickel-base, Inconel 718, alloy with ceramic tools under finishing conditions with various coolant supply pressures by Ezugwu, E.O., Bonney, J., Fadare, D.A., Sales, W.F.

“…Machining of Inconel 718 with whisker reinforced ceramic tool gave better performance in terms of tool life under high-pressure coolant supplies up to 15 MPa…”
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Modelling the correlation between cutting and process parameters in high-speed machining of Inconel 718 alloy using an artificial neural network by Ezugwu, E.O., Fadare, D.A., Bonney, J., Da Silva, R.B., Sales, W.F.

“…An artificial neural network (ANN) model was developed for the analysis and prediction of the relationship between cutting and process parameters during…”
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Tool life and wear mechanisms of TiN coated tools in an intermittent cutting operation by Ezugwu, E.O., Okeke, C.I.

“…A P20-30 PVD TiN coated cemented carbide inserts with sharp edges were used to perform an external right hand thread cutting operation on two grades of steel…”
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Influence of the number of inserts for tool life evaluation in face milling of steels by Richetti, A., Machado, Á.R., Da Silva, M.B., Ezugwu, E.O., Bonney, J.

“…Tool life tests are often employed to verify the behaviour of one or more inserts in a cutter in order to optimise machining productivity and minimise cost. In…”
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Surface abuse when machining cast iron (G-17) and nickel-base superalloy (Inconel 718) with ceramic tools by Ezugwu, E.O., Tang, S.H.

“…Single-point continuous-turning tests were carried out on a G-17 cast iron and a nickel base, Inconel 718, alloy using round and rhomboid-shape pure oxide (Al…”
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An element-free Galerkin method approach for estimating sensitivity of machined surface parameters by Gurgel, A.G., Sales, W.F., de Barcellos, C.S., Bonney, J., Ezugwu, E.O.

“…The main objective of this study is to implement a parameter sensitivity analysis method to be used in the search of optimal machining conditions with respect…”
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The Effect of Coolant Concentration on the Machinability of Nickel-Base, Nimonic C-263, Alloy by Ezugwu, E.O., Bonney, J., Olajire, K.A.

“…This paper investigates the effect of coolant concentration on tool performance when machining nickel-base, C-263, alloy with triple coated (TiN/TiCN/TiN)…”
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Multistate System Reliability Modeling Using Copula Function by Okafor, E.G., Ezugwu, E.O., Jemitola, P.O., Sun, Y-C., Lu, Z.

“…In this paper, Archimedean copula-based method was used to investigate the multi-state reliability analysis of a parallel system. First, the fundamental theory…”
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Effects of machining parameters when reaming aluminium–silicon (SAE 322) alloy by Bezerra, A.A, Machado, A.R, Souza, A.M, Ezugwu, E.O

“…This paper evaluates the dimensional stability (diameter, roundness and cylindricity) and surface roughness of reamed cylindrical holes using K10 cemented…”
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