Characteristics of boronized Ti6Al4V alloy using boric acid based boronizing mixture

Türkmen, İlyas; Kanbur, Kürşat; Sargın, Fatih

doi:10.1016/j.matchar.2022.112180

Cited by 13 publications

(2 citation statements)

References 60 publications

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“…At the same time, little is known about the use of methods of forming single-component diffusion coatings such as nitriding [86][87][88][89][90] and boriding [91][92][93][94][95]. Unlike thermally sprayed coatings, which are deposited on the substrate, nitrogen or boron atoms are embedded in the lattice of the base metal, thereby forming iron nitrides or borides [96,97].…”

Section: Introductionmentioning

confidence: 99%

Studies of the Solid Particle Erosion Resistance of 30 L Steel with Different Types of Surface Modification

Tkhabisimov,

Mednikov,

Zilova

2023

Metals

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Earlier studies have shown that 30 L steel, used for the manufacture of hydraulic machinery equipment elements, has greater resistance to cavitation wear than 20 GL steel. This paper presents the results of experimental studies of the solid particle erosion resistance of 30 L structural steel samples with different surface modifications based on nitriding and boriding processes. The characteristics of the modified near-surface layers were determined. The results of the solid particle erosion resistance tests carried out according to the ASTM G76-13 standard are presented. The research results demonstrated that boriding processes worsen the solid particle erosion resistance of 30 L steel at flow impact angles of 30° and 90°. All the considered variants of surface nitriding at an impact angle of 90° do not worsen the solid particle erosion resistance of 30 L steel samples, while at an impact angle of 30°, they increase the solid particle erosion resistance by at least 10–20%.

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Section: Introductionmentioning

confidence: 99%

Studies of the Solid Particle Erosion Resistance of 30 L Steel with Different Types of Surface Modification

Tkhabisimov,

Mednikov,

Zilova

2023

Metals

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“…It has been determined that the service life of the material can be increased by improving the wear performance attributable to some surface treatment methods [3]. Boronising, carburising, nitriding and especially films produced from thin hard coating with vacuum technology are some of the most widely used surface treatments [4,5]. Among them, PVD coatings stand out with their effective use and successful results [6].…”

Section: Introductionmentioning

confidence: 99%

The Effect of “B” Target Voltage on Wear Properties of TiCrNb-hBN Coatings

Sert,

Küçükömeroğlu,

Ghahramanzadeh Asl

et al. 2023

Acta Mechanica Et Automatica

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The present study aims to determine the effect of target voltage of boron on elevated temperature wear behaviour of newly designed (Ti, Cr, Nb)-hBN PVD coatings. For this purpose, this layer is grown on the AISI L6 (55NiCrMoV7) at various target voltages (600 V, 700 V) using a high-power impulse magnetron sputtering setup. The coating layer has a graded design and has been coated on the substrate surface in adherence with the following order: Cr – CrN – TiCrN – TiCrNbN and finally TiCrNb-hBN (constituting the working layer). The surface properties of the layer were determined using SEM and an optical profilometer. It is seen that the coatings were deposited on the surface in a granular structure pattern away from the deposition defect (such as a droplet or hole), and the roughness values increase as the target voltage increases. Phase analysis is determined using XRD, and average grain size calculations are performed using the XRD data. The coating layer has grown on the surface at TiN (112), CrN (311), NbN (111) and h-BN (001) orientations. Then, mechanical tests including microhardness and scratch tests were conducted on the specimens. Although the layer that is produced with both different parameters improves the hardness of the substrate (4.7 GPa), the hardness of the coating layer at the voltage of 700 V (24.67 GPa) is higher than that of others. Based on scratch tests, scratch crack propagation resistance (CPR) values were determined as 40 N2 and 1,650 N2 for coatings produced at 600 V and 700 V, respectively. The wear behaviours of specimens are specified using a ball-on-disc type tribometer at 450°C. It is seen that the coating with high hardness and scratch resistance offers unique contributions to the wear performance of the substrate. The optimum value of the target voltage to be used in the production of this innovative coating has been introduced into the literature.

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Tribological, oxidation and corrosion properties of ceramic coating on AISI H13 steel by rare earth-Cr composite boronizing

Zheng,

Mei,

Xiao

et al. 2024

Ceramics International

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Characteristics of boronized Ti6Al4V alloy using boric acid based boronizing mixture

Cited by 13 publications

References 60 publications

Studies of the Solid Particle Erosion Resistance of 30 L Steel with Different Types of Surface Modification

Studies of the Solid Particle Erosion Resistance of 30 L Steel with Different Types of Surface Modification

The Effect of “B” Target Voltage on Wear Properties of TiCrNb-hBN Coatings

Tribological, oxidation and corrosion properties of ceramic coating on AISI H13 steel by rare earth-Cr composite boronizing

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