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Metallurgical Characterization and kinetics of borided 34CrNiMo6 steel

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dc.creator UÇAR, NAZIM
dc.creator yiğit, MEHMET
dc.creator ÇALIK, ADNAN
dc.date 2020-12-01T00:00:00Z
dc.date.accessioned 2021-12-03T11:15:15Z
dc.date.available 2021-12-03T11:15:15Z
dc.identifier 10e4e341-ee20-4625-8966-c63df8f3cc68
dc.identifier 10.2478/adms-2020-0021
dc.identifier https://avesis.sdu.edu.tr/publication/details/10e4e341-ee20-4625-8966-c63df8f3cc68/oai
dc.identifier.uri http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/90002
dc.description Boriding of 34CrNiMo6 steel was performed in a solid medium consisting of Ekabor-II powders at 1123, 1173 and 1223 K for 2, 4 and 6 h. Morphological and kinetic examinations of the boride layers were carried out by optical microscopy, scanning electron microscopy (SEM) and X-ray diffraction (XRD). The thicknesses of the boride layers ranged from 22 +/- 2.3 to 145 +/- 4.1 depending on boriding temperature and time. The hardness of boride layer was about 1857 HV0.1 after boriding for 6 h at 1223 K, while the hardness of the substrate was only around 238 HV0.1. Growth rate constants were found to be between 1.2.10(-13) - 9.8.10(-13) m(2)/s depending on temperature. The activation energy for boron diffusion was estimated as 239.4 +/- 8.6 kJ mol(-1). This value was comparable to the activation energies reported for medium carbon steels in the literature.
dc.language eng
dc.rights info:eu-repo/semantics/closedAccess
dc.title Metallurgical Characterization and kinetics of borided 34CrNiMo6 steel
dc.type info:eu-repo/semantics/article


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