Study of the growth of boride layer on the surface carbon steel

Matijević, Božidar (2014) Study of the growth of boride layer on the surface carbon steel. = Study of the growth of boride layer on the surface carbon steel. Metallovedenie i termicheskaya obrabotka metallov, 153. pp. 41-45. ISSN 0026-0819. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. . Točan broj autora: 1.

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Official URL: https://bib.irb.hr/prikazi-rad?&rad=704630

Abstract

In this paper, the kinetic studies of boride layer growth on borided carbon steels were established. Analysis of the relation between the thickness of boride layer and technological parameters: temperature, treatment time and chemical composition of the substrate using EKABOR 3 powder were conducted. The morphology and types of borides formed on the surface of steel substrates were confirmed by optical microscopy, and X-ray diffraction (XRD) analysis. The kinetics of the reaction, K=K_0∙e^(-Q/(R∙T)), have also been determined by varying the boriding temperature and time. The results showed that K increase with boriding temperature. Activation energies (Q) of borided steels at present study were determined. Moreover, an attempt was made to investigate the possibility of predicting the contour diagrams of boride layers variation and to establish some empirical relationships between process parameters and boride layer thicknesses.

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): boride layer ; diffusive growth ; activation energy ; Boriding ; carbon steels
Subjects: TECHNICAL SCIENCE > Chemical engineering
TECHNICAL SCIENCE > Metallurgy
TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 1000 Department of Materials > 1020 Chair of Heat Treatment and Surface Engineering
Date Deposited: 21 Sep 2016 06:25
Last Modified: 21 Sep 2016 06:25
URI: http://repozitorij.fsb.hr/id/eprint/6549

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