Characterization and wear behavior of TiBC coatings formed by thermo-reactive diffusion technique on AISI D6 steel

Kurt, Bülent; Özdoğan, Lütfullah; Güney, Bekir; Bölükbaşı, Ömer Saltuk; Günen, Ali

doi:10.1016/j.surfcoat.2020.125332

Cited by 27 publications

(10 citation statements)

References 45 publications

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“…The abrasive particles contacted the surface of the 30MnB5 steel at steeper angles, revealing deeper and wider grooves (Figure 12(a)). In accordance with the previous work of Kurt et al (2020), 63 the fallen-hardness pearlitic + ferritic form of the 30MnB5 steel sample easily eroded, resulting in the creation of extensive, great, and dept grooves. The random contact of the abrasive soil elements on the sample surfaces is related to the easy movement of these elements on the surfaces.…”

Section: Resultssupporting

confidence: 91%

Determination of abrasion resistance of Fe28Cr5C1Mn coating applied to 30MnB5 boron alloy cultivator blades via electric arc spray

Güney

Dilay

2022

Proceedings of the Institution of Mechanical Engineers, Part C:

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The poor abrasive wear behavior of agricultural machinery affects the farmers all over the world, rendering their activities more inefficient and negatively affecting their productivity. Therefore, innovation in the manufacture of soil cultivation machinery and the selection of wear-resistant materials has been of great importance. Recently, boron alloys, in particular, have been used in the manufacture of machinery parts that work the soil. The aim of this was to investigate the behavior of the blades of the machines widely used in soil cultivation in agricultural production following a surface treatment technique. For this purpose, the blades made of 30MnB5, a material widely used in the production of cultivator blades, were used as substrate samples in the trials as well as blades of the same substrate coated with Fe28Cr5C1Mn alloy wire via the electric arc spray technique. The morphologies and structures of the uncoated and coated samples were comprehensively analyzed by light microscopy, scanning electron microscopy, energy dispersive spectrometry and X-ray diffraction. In addition, their microhardness, porosity, and surface roughness properties were assessed separately before and after plowing. These prepared blades were tested under in the same conditions by plowing the same field at two different soil moisture. Although the weight loss was measured as 9.4 g and 5.4 g in the uncoated and in the coated sample at 9% moisture level, respectively, the weight losses were at 14% humidity level were 10.6 g and 5.9 g in the uncoated and coated samples, respectively. Although the amount of wear increased with increasing humidity levels in both groups, the mass wear loss in cultivator blades coated with Fe25Cr5C1Mn alloy wire was found to be lower in all trials. The results suggest that coating the cultivator blades using electric arc spray would increase agricultural productivity and reduce factors that cause environmental pollution.

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Section: Resultssupporting

confidence: 91%

Determination of abrasion resistance of Fe28Cr5C1Mn coating applied to 30MnB5 boron alloy cultivator blades via electric arc spray

Güney

Dilay

2022

Proceedings of the Institution of Mechanical Engineers, Part C:

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“…Steels are a material group with superior properties such as high strength, low ductile-brittle transition temperature, high toughness with different hardening mechanisms, and appropriate thermomechanical processes. [1][2][3] Alloy steels continue to develop day by day, in many kinds of steel groups. Consequently, its use in many industrial areas such as aerospace, defense, automotive, energy, and petrochemicals is increasing, depending on new research and innovations on alloy steels.…”

Section: Introductionmentioning

confidence: 99%

Effect of Mo addition on microstructure, mechanical and machinability properties of Cr-PM steels

Erden

Akgün

2021

Proceedings of the Institution of Mechanical Engineers, Part C:

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In this work, it was investigated the effect of molybdenum (Mo) addition on machinability, mechanical properties, and microstructure of Cr steels produced by using powder metallurgy method. Tensile and hardness experiments were applied to define the mechanical properties of the produced Cr-PM steels. The machining experiments have been also performed without coolant on a CNC vertical machining center at three different cutting speeds (150, 210, and 270 m/min), two different feed rates (0.4 and 0.8 mm/tooth), and constant depth of cut (0.5 mm). The machinability of the alloys was evaluated in regard to surface roughness (Ra) and tool wear (Vb). The results indicated that that Cr-PM steel with 5% Mo addition by weight had the highest yield, tensile strength, and hardness, and the best surface quality was obtained in this sample in terms of surface roughness. However, according to Vb measurement results, the cutting performance of the cutting inserts wasnegative affected by MoC(N), CrC(N), and MoCrC(N) precipitates formed in the microstructure of PM steel.

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“…It has a column-shaped crystal structure positioned in the direction of diffusion in both layers [20]. Boriding process has been shown to have outstanding tribological properties compared to carburized and nitrided steel as a surface hardening method in the industry [21][22][23][24][25][26]. Boronized iron and steel surfaces are of high hardness, excellent wear, good corrosion, and strong chemical stability [27,28].…”

Section: Introductionmentioning

confidence: 99%

Effect of pack-boriding on the tribological behavior of Hardox 450 and HiTuf Steels

Aktaş

Toprak

Çalık

et al. 2020

Reviews on Advanced Materials Science

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In this study, Hardox 450 and HiTuf steels were boronized by pack-boriding method at 800, 900, and 1000∘C for 5 h. The phases, microstructure, hardness, and wear behavior of boride layers formed on the surface of samples were investigated using XRD, SEM, Micro-Vickers hardness testers, and a pin-on-disc tribotester, respectively. XRD analysis showed that both FeB and Fe2B phases were formed in the borided area of Hardox 450 steel, but only Fe2B phase occurred in the boride layer of the HiTuf steel. Micro-Vickers hardness results indicated that the hardness values of the boride layer decreased from the column-shaped structure to towards the matrix in both of Hardox 450 and HiTuf steels. Furthermore, the wear test results showed the coefficients of friction (COF) decreased significantly in the borided samples. The COF of the unborided Hardox 450 steel was reduced considerably from 0.29 to 0.02 by boriding treatment. Similarly, the COF of unborided HiTuf steel was significantly diminished from 0.16 to 0.04 by boriding treatment. In conclusion, the results of this study have indicated that the wear resistance of Hardox 450 and HiTuf steels can be improved by pack-boriding.

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Characterization and wear behavior of TiBC coatings formed by thermo-reactive diffusion technique on AISI D6 steel

Cited by 27 publications

References 45 publications

Determination of abrasion resistance of Fe28Cr5C1Mn coating applied to 30MnB5 boron alloy cultivator blades via electric arc spray

Determination of abrasion resistance of Fe28Cr5C1Mn coating applied to 30MnB5 boron alloy cultivator blades via electric arc spray

Effect of Mo addition on microstructure, mechanical and machinability properties of Cr-PM steels

Effect of pack-boriding on the tribological behavior of Hardox 450 and HiTuf Steels

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