Optimization of spark plasma sintering parameters of inconel 738LC alloy using response surface methodology (RSM)

Ogunbiyi, Olugbenga; Jamiru, Tamba; Sadiku, Rotimi; Adesina, O. T.; Olajide, J. L.; Beneke, L. W.

doi:10.1016/j.ijlmm.2019.10.002

Cited by 21 publications

(11 citation statements)

References 40 publications

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“…This was done using UDD-RSM to optimize the parameters required to enhance the mechanical properties of the developed HEA. However, this technique has been proven to be reliable by different researchers [30,31,33,34]. Tables 2 and 3 show the model's buildup information and the factors' coded and actual operating conditions, respectively.…”

Section: Design Of Experimentsmentioning

confidence: 99%

Optimization of process parameters for the development of Ni–Al-Ti-Mn-Co-Fe–Cr high entropy alloy system via spark plasma sintering

Olorundaisi

Babalola

Bayode

et al. 2023

Int J Adv Manuf Technol

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A novel equal atomic Ni–Al-Ti-Mn-Co-Fe–Cr high entropy alloy (HEA) was developed via the spark plasma sintering (SPS) process. This study investigates the influence of the sintering parametric processes, which consist of the sintering temperature (ST) and heating rate (HR) at constant pressure and dwelling time (DT) on the Microhardness (MH) and relative density (RD) of the developed HEA. Response surface methodology (RSM) was used to develop a predictive model. The design of experiment (DOE) approach was adopted to reduce the number of experiments and eliminate trial by error. ST and HR were considered model variables in developing the model. The user-defined design (UDD) under RSM was used to predict the optimal sintering parameters, and an experiment was conducted to validate the result. The result indicates that ST and HR play a significant role in achieving high densification and hardness. The developed alloy shows the highest MH value of 136.3 HV at 850 °C and an HR of 100 °C/min. Equally, the least crystallite size of 2.05 µm was realized at the maximum ST. However, the modeling response suggested that full densification of about 99% can be achieved at an ST of 850 °C, a pressure of 50 MPa, a DT of 5 min, and an HR of 100 °C/min.

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Section: Design Of Experimentsmentioning

confidence: 99%

Optimization of process parameters for the development of Ni–Al-Ti-Mn-Co-Fe–Cr high entropy alloy system via spark plasma sintering

Olorundaisi

Babalola

Bayode

et al. 2023

Int J Adv Manuf Technol

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“…In this paper, two-way interaction is used. In general, the difference between twoway, three-way, and four-way interaction is negligible and most of the relevant literature have used two-way interaction [88][89][90]. The relationship plot of ANOVA can be used to display the interaction between the factors in different levels [91,92].…”

Section: Stage 4: Computational Fluid Dynamics (Cfd) Analysismentioning

confidence: 99%

Optimization of a Horizontal Axis Tidal (HAT) turbine for powering a Reverse Osmosis (RO) desalination system using Computational Fluid Dynamics (CFD) and Taguchi method

Khanjanpour

2021

Energy Conversion and Management

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“…The material becomes pliable from the heat, leading to plastic deformation followed by a combination of diffusion and plastic deformation resulting in a high degree of solidification (over 99% theoretical density) of the powder. The advantages, disadvantages, and mechanisms of SPS technology have been reported [13][14][15]. The effects of sintering temperature, heating rate, initial powder size, and other fabrication conditions have been investigated [13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

The effects of powder size and sintering temperature on the microstructure and properties of modified MA6000 alloy produced by spark plasma sintering

Cong

Lee

et al. 2023

Powder Metallurgy

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The present study investigates the properties and microstructure evolution of MA 6000, a nickel-based alloy produced by mechanical alloying and spark plasma sintering (SPS), a powder processing technique in metallurgy. This study aims to explore the potential of MA 6000 as a high-temperature material for industrial applications. Modified MA 6000 samples of different powder sizes were sintered in a high-vacuum environment at temperatures ranging from 800 to 1100°C. At 800°C, the cohesion between powder particles was not significant, resulting in low-density samples. However, at 1000°C, the samples consisted of many fully sintered regions related to finer powder particles, while no specific morphology was observed at 1050°C. The image quality and inverse pole figure (IQ-IPF) map indicated that the grains were distributed randomly in all sintered samples, and the average distribution of grain size of samples sintered at 1050°C was larger than that of those sintered at 1000°C.

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Optimization of spark plasma sintering parameters of inconel 738LC alloy using response surface methodology (RSM)

Cited by 21 publications

References 40 publications

Optimization of process parameters for the development of Ni–Al-Ti-Mn-Co-Fe–Cr high entropy alloy system via spark plasma sintering

Optimization of process parameters for the development of Ni–Al-Ti-Mn-Co-Fe–Cr high entropy alloy system via spark plasma sintering

Optimization of a Horizontal Axis Tidal (HAT) turbine for powering a Reverse Osmosis (RO) desalination system using Computational Fluid Dynamics (CFD) and Taguchi method

The effects of powder size and sintering temperature on the microstructure and properties of modified MA6000 alloy produced by spark plasma sintering

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