Mechanical Behavior on Cr Base Steels Surface Treatment

M.A. Doñu Ruiz; N. López-Perrusquia; G. Urriolagoitia-Sosa; Luis Héctor Hernández-Gómez; D. Sánchez Huerta

doi:10.4028/www.scientific.net/DDF.365.148

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HomeDefect and Diffusion ForumDefect and Diffusion Forum Vol. 365Mechanical Behavior on Cr Base Steels Surface...

Mechanical Behavior on Cr Base Steels Surface Treatment

Abstract:

It is known that the diffusion of boron atoms on the surface of metals and alloys can increase the hardness, wear and corrosion resistance of engineering components. Boriding is an alternative method of sample treatment when the manual work required in powder boriding needs to be decreased. In addition, its advantage lies in high volumes of work and in selective treatments. Boron carbide consists of B₄C (approximately 76 wt% boron). Using gases or powders as boronizing process gives rise to boride coatings constituted by an inner layer of Fe₂B (hardness 15GPa) and an outer layer of FeB (hardness 25 GPa) [1,2]. Many industrial processes require the use of highly wear-resistant materials, tools steel, hot work being these basic Cr steels in applications such as extrusion dies for light alloys, matrices for pressing, forging dies and for molding plastic.

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Periodical:

Defect and Diffusion Forum (Volume 365)

Pages:

148-153

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.365.148

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Online since:

July 2015

Authors:

M.A. Doñu Ruiz*, N. López-Perrusquia, G. Urriolagoitia-Sosa, Luis Héctor Hernández-Gómez, D. Sánchez Huerta

Keywords:

Bending, Cr Base Steels, Hard Coatings, Hardness, Surface Treatment

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