Trends in Physical Techniques of Boriding

Kulka, Michał

doi:10.1007/978-3-030-06782-3_5

Cited by 7 publications

(6 citation statements)

References 263 publications

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“…This model considers the growth of Fe 2 B and FeB layers at the steel surface, the distribution of boron concentration along these two layers is described by Fick's second law given by equation (1).…”

Section: The Diffusion Model Based On the Integral Methodsmentioning

confidence: 99%

“…In the industry, the need for producing harder and more wear resistant surface layer is very crucial to improve the surface properties of workpieces [1,2]. There are many processes enabling the formation of a hard layer such as; carburizing, nitriding, and boronizing.…”

Section: Introductionmentioning

confidence: 99%

“…This last process is accomplished by means of diffusing boron into the steel. Boriding is then defined as a thermochemical treatment of surface hardening and can be applied to many ferrous and nonferrous alloys as well as cermet materials [1,3]. This process is generally carried out at a temperature range of 1073 K to 1323 K for a few hours (mainly 1 to 12 h), and requires the presence of an appropriate boron source leading to the diffusion of boron atoms into the steel substrate.…”

Section: Introductionmentioning

confidence: 99%

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Simple model and integral method for simulating the growth of the borided layer FeB/Fe2B on the AISI H13 steel

Belguendouz,

Mebarek,

et al. 2023

Zaštita materijala

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The prediction of boride layer growth kinetics requires the development of a mathematical model. In the present study, two diffusion models (a simple model and an integral method-based model) were proposed to investigate the boriding kinetics of pack-borided AISI H13 steel. These two diffusion models did not consider the effect of boride incubation times of the total boride layer (FeB + Fe2B). The diffusion coefficients of boron in the FeB and Fe2B layers were estimated using the proposed integral method-based model. Additionally, the growth rate constants were determined and the layer thickness was calculated after finding the needed parameters. The results obtained were compared to the experimental ones taken from the work of Nait Abdellah et al.[4] and a good agreement has been noticed. Finally, the mass gain has been calculated for both phases, showing that of FeB increased more compared to that of Fe2B over time.

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Section: The Diffusion Model Based On the Integral Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Simple model and integral method for simulating the growth of the borided layer FeB/Fe2B on the AISI H13 steel

Belguendouz,

Mebarek,

et al. 2023

Zaštita materijala

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“…The XRD pattern exposes the main presence of the Fe 2 B with a crystallographic preferential plane of [0 0 2] at an angle of 45°. According to [2], peaks of Fe 2 B are presented in angles from 35 until 60°with different intensities, characteristic of this kind of steels.…”

Section: Microstructure Of the Fe 2 B Layermentioning

confidence: 99%

“…Currently, a lot of surface modifications in materials (low and high carbon content and with alloying elements) have been applied to improve the mechanical and chemical properties for specific applications in different industrial sectors, including thermal and thermochemical treatments, which increase the useful life of the materials [2]. The boriding or powder-pack boriding process (PPBP) is a thermochemical surface treatment, which improve the mechanical and chemical properties due to the extreme hardness over the surface, with excellent performance for industrial applications [3][4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Adhesion behaviour of borided AISI 4140 steel

Márquez-Cortés

Martínez-Trinidad

León

2022

Surface Engineering

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In this study, the adhesion behaviour of the borided AISI 4140 steel was estimated. A di-iron boride layer (Fe 2 B = ∼22 µm) was obtained on the surface of the AISI 4140 steel preheated at 773 K for 30 min to prevent thermal shock; afterwards, the samples were exposed to 1173 K for 30 min. The scratch tests were developed over the surface of the Fe 2 B/substrate system using a Rockwell-C diamond indenter with a normal force increasing from 0.5-80 N. The friction coefficient behaviour and the residual depth values were measured considering the scratch length that was monitored during the test, according to the ASTM C1624 standard procedure. Critical loads were determined through the combination of the normal force and visual inspection over the worn surface with cracks (cohesive failure) or detachment (adhesive failure) and are explained according to the mechanical properties of the Fe 2 B/substrate system.

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Energy Parameters of an Electron Beam and Structure and Mechanical Properties of Composite Coatings

Krylova

Chumakov

2020

Russ Phys J

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Trends in Physical Techniques of Boriding

Cited by 7 publications

References 263 publications

Simple model and integral method for simulating the growth of the borided layer FeB/Fe2B on the AISI H13 steel

Simple model and integral method for simulating the growth of the borided layer FeB/Fe2B on the AISI H13 steel

Adhesion behaviour of borided AISI 4140 steel

Energy Parameters of an Electron Beam and Structure and Mechanical Properties of Composite Coatings

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