Optimization of Surface Roughness in the Turning Process of AISI 4340 Tempering Steel

OzsoyNeslihan,; OzsoyMurat,

doi:10.1680/jemmr.18.00141

Cited by 3 publications

(1 citation statement)

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“…With the aim of improving the physical characteristics of iron materials, and more specifically of steels, various methods are used, and one of them is nitriding [1][2][3][4][5][6][7][8]. This process takes place in temperatures of over 500 0 C and in solid, liquid or gas environments [9].…”

Section: Introductionmentioning

confidence: 99%

Comparison of Experimental Curves of Alloy Steels after Gas Nitriding

Syla

Aliaj

Elezaj

et al. 2021

International Journal of Computational and Experimental Science and Engineering

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This study is concerned with experimental curves of: hardness, residual stress and concentration of nitrogen at the precipitation layer at alloy steels after gas nitriding. The purpose of this treatment is that through experimental curves to identify the relationship and causality between hardness, on one side, and on the other, residual stress respectively concentration of nitrogen. Comparing the shape and slope of these curves we can conclude that, concentration of diffused nitrogen on the steel lattice, respectively ferrite, is a cause of increased hardness at the precipitation layer. More to the point, as a result of nitrogen diffusion, residual stress emerge which cause increase of hardness. The intensity and slope of the curves of hardness depends on the intensity and slope of the nitrogen concentration respectively residual stress.

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Section: Introductionmentioning

confidence: 99%

Comparison of Experimental Curves of Alloy Steels after Gas Nitriding

Syla

Aliaj

Elezaj

et al. 2021

International Journal of Computational and Experimental Science and Engineering

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Milling operation parameter optimization of AA 2024-T351 aluminum alloy material

Pehlivan

2022

Emerging Materials Research

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The expected quality indicator in the manufacturing industry is the surface roughness (R a). The effects of milling operation parameters on the axial forces and surface roughness of AA 2024-T351 alloy plate were studied. Experiments were carried out on an AA 2024 material using a Hartford four-axis computer numerical control vertical processing center machine and a carbide insert. Axial forces were measured by using a three-component cutting force dynamometer. R a values ranged from 0.2583 to 0.8833 μm and the cutting force from 76 to 305 N. Experimental results showed that cutting forces rose with an increase in cutting speed but R a values decreased with a rise in cutting speed. Also, the depth of cut was the commanding factor followed by spindle speed and feed per tooth. This indicated that cutting depth was the most important factor among the design parameters, followed by cutting speed and feed per tooth. Besides, the response surface methodology was used to investigate the milling parameters on R a and axial forces. Variance analysis was conducted to find the contribution of each component to the results of roughness and forces. Scanning electron microscopy analysis was also performed to see the abrasions on the cutting tool surface.

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Effect of cutting parameters on surface roughness of waste-filled composite at milling

OzsoyMurat

OzsoyNeslihan

KılıçCumhur

et al. 2022

Emerging Materials Research

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Industrial waste is a problem for companies as well as for the environment. In recent years, an alternative solution to this problem has been found – the use of waste in the production of new composite materials. It is not enough to produce only the composite. The machinability of the composite produced should also be investigated. This study obtained the new composite material using industrial waste produced by glass fibre-reinforced plastic pipes. The terephthalic resin was used as a matrix material. The waste powder was used as a filling material in the ratio of 30, 40 and 50% by weight compared to the matrix material. The machinability of produced composites was investigated according to three parameters with three levels. According to the experimental results, the optimum cutting parameters are obtained, depending on surface roughness.

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Optimization of Surface Roughness in the Turning Process of AISI 4340 Tempering Steel

Cited by 3 publications

References 0 publications

Comparison of Experimental Curves of Alloy Steels after Gas Nitriding

Comparison of Experimental Curves of Alloy Steels after Gas Nitriding

Milling operation parameter optimization of AA 2024-T351 aluminum alloy material

Effect of cutting parameters on surface roughness of waste-filled composite at milling

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