Investigation of green properties of iron/jet-milled grey cast iron compacts by response surface method

Abdollahi, Hadi; Mahdavinejad, Ramezanali; Ghambari, Mohammad; Moradi, Mahmoud

doi:10.1177/0954405413502023

Cited by 10 publications

(8 citation statements)

References 22 publications

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“…However, a different trend is observed in the case of the parameter CIP . By increasing CIP from 30% to 50%, a slight difference is seen in the strength values, while the green density and green strength 9 and the sintered density decrease by increasing CIP . This trend can be explained by interpreting the microstructures of Figure 8.…”

Section: Resultsmentioning

confidence: 93%

“…In our previous work, 9 the green properties of iron/ jet-milled grey cast iron compacts were investigated and optimized by response surface methodology (RSM). The results demonstrated that jet-milled grey cast iron powders have the capability to be used in as-milled state in combination with iron powder for producing green compacts in industrial scales with acceptable green properties.…”

Section: Introductionmentioning

confidence: 99%

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Investigation and optimization of properties of sintered iron/recycled grey cast iron powder metallurgy parts

Abdollahi

Mahdavinejad

Leavoli

et al. 2014

Proceedings of the Institution of Mechanical Engineers, Part B:

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In this work, the preparation of iron/grey cast iron powder metallurgy parts by recycling machining scraps using target jet milling method is studied. Cast iron powder percentage, compaction pressure, sintering temperature and sintering time are selected as input process parameters. The effects of selected parameters on the response density, transverse rupture strength and hardness of the sintered samples are investigated by response surface methodology, and optimal combinations of input parameters are obtained. Analysis of variance and regression analysis are used to determine the main and interaction effects of input parameters, develop mathematical models and evaluate the validity of the models. Scanning electron microscopy and optical microscopy micrographs are provided to discuss the obtained responses. The results evidenced that the combination of iron/jet-milled grey cast iron is promising for producing powder metallurgy parts with diverse properties and economical considerations. Also, by comparing the optimized results obtained from the proposed models to that from the confirmation tests, the models errors were found to be in a range of 1%−8%.

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Section: Resultsmentioning

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Investigation and optimization of properties of sintered iron/recycled grey cast iron powder metallurgy parts

Abdollahi

Mahdavinejad

Leavoli

et al. 2014

Proceedings of the Institution of Mechanical Engineers, Part B:

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“…RSM is a group of statistical and mathematical techniques that are useful for modelling and predicting the output of interest influenced by some input variables with the objective of optimising this output [8][9][10][11]. RSM also describes the relationships among one or more measured outputs and the vital controllable input factors [12].…”

Section: Response Surface Methodology (Rsm)mentioning

confidence: 99%

Statistical and Numerical Approaches for Modeling and Optimizing Laser Micromachining Process-Review

Karazi

Moradi

Benyounis

2019

Reference Module in Materials Science and Materials Engineering

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This chapter presents the modelling and optimization techniques commonly used in engineering applications especially in Laser Micromachining process. Design of Experiment DOE (Response Surface Method and Taguchi), Artificial Neural Network (ANN), Genetic Algorithm (GA), and Particle swarm optimization (PSO) and mixed techniques are explained briefly. Furthermore, a review of laser micromachining processes parameters optimization was studied. Recent researches which used different approaches for modelling and optimization was presented.

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“…As a result, the majority of the chips available for recycling are sourced from other machining operations such as turning, drilling, end-milling, and shaping. Various shapes of metal chips produced from machining processes [9]: (a) grey cast iron [13]; (b) stainless steel [14]; (c) AA6060 aluminum alloy [15]; (d) AZ31B magnesium alloy [16]; (e) Figure 1. Various shapes of metal chips produced from machining processes [9]: (a) grey cast iron [13];…”

Section: Introductionmentioning

confidence: 99%

Producing Metal Powder from Machining Chips Using Ball Milling Process: A Review

et al. 2023

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In the pursuit of achieving zero emissions, exploring the concept of recycling metal waste from industries and workshops (i.e., waste-free) is essential. This is because metal recycling not only helps conserve natural resources but also requires less energy as compared to the production of new products from virgin raw materials. The use of metal scrap in rapid tooling (RT) for injection molding is an interesting and viable approach. Recycling methods enable the recovery of valuable metal powders from various sources, such as electronic, industrial, and automobile scrap. Mechanical alloying is a potential opportunity for sustainable powder production as it has the capability to convert various starting materials with different initial sizes into powder particles through the ball milling process. Nevertheless, parameter factors, such as the type of ball milling, ball-to-powder ratio (BPR), rotation speed, grinding period, size and shape of the milling media, and process control agent (PCA), can influence the quality and characteristics of the metal powders produced. Despite potential drawbacks and environmental impacts, this process can still be a valuable method for recycling metals into powders. Further research is required to optimize the process. Furthermore, ball milling has been widely used in various industries, including recycling and metal mold production, to improve product properties in an environmentally friendly way. This review found that ball milling is the best tool for reducing the particle size of recycled metal chips and creating new metal powders to enhance mechanical properties and novelty for mold additive manufacturing (MAM) applications. Therefore, it is necessary to conduct further research on various parameters associated with ball milling to optimize the process of converting recycled copper chips into powder. This research will assist in attaining the highest level of efficiency and effectiveness in particle size reduction and powder quality. Lastly, this review also presents potential avenues for future research by exploring the application of RT in the ball milling technique.

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Investigation of green properties of iron/jet-milled grey cast iron compacts by response surface method

Cited by 10 publications

References 22 publications

Investigation and optimization of properties of sintered iron/recycled grey cast iron powder metallurgy parts

Investigation and optimization of properties of sintered iron/recycled grey cast iron powder metallurgy parts

Statistical and Numerical Approaches for Modeling and Optimizing Laser Micromachining Process-Review

Producing Metal Powder from Machining Chips Using Ball Milling Process: A Review

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