Bilayer growth kinetics and tribological characterization of boronized AISI M2 steel

Martín Ortiz Domínguez; Mourad Keddam; Oscar Armando Gómez Vargas; Gonzalo Ares De Parga; Jorge Zuno Silva

doi:10.1515/mt-2021-2091

Bilayer growth kinetics and tribological characterization of boronized AISI M2 steel

Martín Ortiz Domínguez, Mourad Keddam, Oscar Armando Gómez Vargas, Gonzalo Ares De Parga, Jorge Zuno Silva

Escuela Superior de Física y Matemáticas (ESFM)

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

The AISI M2 steel has been treated by solid boriding between 1123 and 1273 K for an exposure time of 2-8 h. In these circumstances, a bilayer constituted by FeB and Fe2B has been formed with interfaces nearly flat. The tribological behavior and decohesion resistance of boride coatings were studied by using the following characterizations: (Rockwell-C cohesion, pin-on-disc and wear scratch tests). The modeling of process kinetics was undertaken based on two different approaches (the mass balance equations and the integral method). The assessed values of boron activation energies in FeB and Fe2B arising from the two models were nearly similar. In addition, the predicted layers' thicknesses at 1243 and 1273 K during 10 h were concordant with the experimental values.

Translated title of the contribution	Cinética de crecimiento bicapa y caracterización tribológica del acero boronizado AISI M2
Original language	English
Pages (from-to)	473-489
Number of pages	17
Journal	Materialpruefung/Materials Testing
Volume	64
Issue number	4
DOIs	https://doi.org/10.1515/mt-2021-2091
State	Published - Apr 2022

Keywords

activation energy
boronizing
growth kinetics
iron borides
wear

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title = "Bilayer growth kinetics and tribological characterization of boronized AISI M2 steel",

abstract = "The AISI M2 steel has been treated by solid boriding between 1123 and 1273 K for an exposure time of 2-8 h. In these circumstances, a bilayer constituted by FeB and Fe2B has been formed with interfaces nearly flat. The tribological behavior and decohesion resistance of boride coatings were studied by using the following characterizations: (Rockwell-C cohesion, pin-on-disc and wear scratch tests). The modeling of process kinetics was undertaken based on two different approaches (the mass balance equations and the integral method). The assessed values of boron activation energies in FeB and Fe2B arising from the two models were nearly similar. In addition, the predicted layers' thicknesses at 1243 and 1273 K during 10 h were concordant with the experimental values.",

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AU - Ortiz Domínguez, Martín

AU - Keddam, Mourad

AU - Gómez Vargas, Oscar Armando

AU - Ares De Parga, Gonzalo

AU - Zuno Silva, Jorge

PY - 2022/4

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AB - The AISI M2 steel has been treated by solid boriding between 1123 and 1273 K for an exposure time of 2-8 h. In these circumstances, a bilayer constituted by FeB and Fe2B has been formed with interfaces nearly flat. The tribological behavior and decohesion resistance of boride coatings were studied by using the following characterizations: (Rockwell-C cohesion, pin-on-disc and wear scratch tests). The modeling of process kinetics was undertaken based on two different approaches (the mass balance equations and the integral method). The assessed values of boron activation energies in FeB and Fe2B arising from the two models were nearly similar. In addition, the predicted layers' thicknesses at 1243 and 1273 K during 10 h were concordant with the experimental values.

KW - activation energy

KW - boronizing

KW - growth kinetics

KW - iron borides

KW - wear

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Bilayer growth kinetics and tribological characterization of boronized AISI M2 steel

Abstract

Keywords

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