Predictive modeling and statistical analysis of mechanical properties OF heat treated Cu-10 %Ni alloy using response surface methodology

Nwaeju, Cynthia Chinasa; Edoziuno, Francis Odikpo; Nnuka, E. E.

doi:10.1016/j.matpr.2021.12.167

Cited by 5 publications

(2 citation statements)

References 29 publications

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“…In seawater systems, Cu-30Ni and Cu-10Ni alloy systems have been widely used as piping material [7] [8]. The two alloys are commonly used due to their low magnetic permeability and maximum resilient flow rate following their high strength, and remarkable resistance to seawater corrosion and biofouling [8] [9]. However, in the wider commercial application of the alloy, Cu-10Ni alloy is mostly used because of the less nickel content that aggregates lower material cost [7].…”

Section: Introductionmentioning

confidence: 99%

GRAIN SIZE EVOLUTION, MECHANICAL AND CORROSION BEHAVIOUR OF PRECIPITATE STRENGTHENED Cu-Ni ALLOY

Nwaeju¹,

Eboh²,

Edoziuno

2022

Acta Metall Slovaca

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Grain size characteristics, mechanical properties, and corrosion resistance of Cu-10%Ni alloy heat treated at three different temperatures and times were investigated and compared with the synthesized alloy. Mechanical properties such as UTS, ductility, hardness, and impact strength were determined. An optical metallurgical microscope was used to examine the structural properties. ImageJ software was also used to measure the grain size distribution of the alloys. The corrosion behaviour of the produced Cu-10%Ni alloys is analyzed by potentiodynamic polarization and Electrochemical Impedance Spectroscopy (EIS). After corrosion testing, the surface morphology of the exposed samples is analyzed by scanning electron microscope (SEM) equipped with energy dispersive spectroscopy. The corrosion rate of precipitate strengthened Cu-10%Ni alloy decreases and ultimate tensile strength, ductility, and hardness increase as the average grain size distribution decreases. The non-heat treated Cu-10%Ni alloy showed a peak value of corrosion rate and average grain size, but a lower value of mechanical properties. An increase in residual stress follows an increase in grain size distribution, which lowers the strength and increases corrosion rates due to more active sites. The research outcome has enabled the improvement of the mechanical and corrosion properties of Cu-10%Ni alloys as a component for marine and automobile applications.

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Section: Introductionmentioning

confidence: 99%

GRAIN SIZE EVOLUTION, MECHANICAL AND CORROSION BEHAVIOUR OF PRECIPITATE STRENGTHENED Cu-Ni ALLOY

Nwaeju¹,

Eboh²,

Edoziuno

2022

Acta Metall Slovaca

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“…3 2 designs compared on 9 responses namely pH, percentage drug content, drug entrapment, In vitro drug release at different time interval like 10, 30, 60, 90, 120 and 210 min studied 3,9,11,27,28. …”

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confidence: 99%

32 Factorial Design of O/W Nanoemulsions of Cholecalciferol Using Box–Behnken Model for Plaque Psoriasis

Sharma¹,

Sharma²

2023

Ind. J. Pharm. Edu. Res.

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The aim of the study was to design O/W Nanoemulsion using Cholecalciferol in different ratios of surfactants with Box-Behnken design model using Design Expert version 12. Response surface methodology, Box-Behnken was most suited followed by 3 independent variables (A, B, C) and 9 different responses with 17 different batches. Various responses like pH, % drug content drug entrapment and % in vitro drug release at different time intervals comparable with independent variables with % predicted errors calculated with SD±5 values. Materials and Methods: Cholecalciferol used as model drug, SPAN 20, SPAN 80 used as surfactant and Soybean oil used as oil phase for making Nanoemulsion preparation for plaque psoriasis treatment prepared by probe sonication method. Results: The VIF values were 1.0-1.03 and Ri 2 range between 0.00-0.0058 means correlated with each-others were in range, showed statistically correct and chances of error is minimum shown in Table 1. The predicted pH 7.79±0.38, Drug entrapment 92.68±4.67 and % Drug content was found to be 92.5±6.08 while experimental values were

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RSM-based optimization and predictive modelling of the gravimetric corrosion behaviour of solution-treated copper-based shape memory alloy in HCl solution

Edoziuno

Adediran

Adetunla

et al. 2022

Int J Interact Des Manuf

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Predictive modeling and statistical analysis of mechanical properties OF heat treated Cu-10 %Ni alloy using response surface methodology

Cited by 5 publications

References 29 publications

GRAIN SIZE EVOLUTION, MECHANICAL AND CORROSION BEHAVIOUR OF PRECIPITATE STRENGTHENED Cu-Ni ALLOY

GRAIN SIZE EVOLUTION, MECHANICAL AND CORROSION BEHAVIOUR OF PRECIPITATE STRENGTHENED Cu-Ni ALLOY

32 Factorial Design of O/W Nanoemulsions of Cholecalciferol Using Box–Behnken Model for Plaque Psoriasis

RSM-based optimization and predictive modelling of the gravimetric corrosion behaviour of solution-treated copper-based shape memory alloy in HCl solution

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