Determination of boron diffusion coefficients in borided tool steels

I. Campos-Silva, M. Ortiz-Domínguez, N. López-Perrusquia, R. Escobar-Galindo, O. A. Gómez-Vargas, E. Hernández-Sánchez

Research output: Contribution to conferencePaper

8 Citations (Scopus)

Abstract

The boron diffusion in the Fe2B and FeB borided phases formed at the surface of AISI H13 tool steels during the paste boriding process was estimated. The treatment was carried out at temperatures of 1173, 1223 and 1273 K with 2, 4, 6 and 8 h exposure times for each temperature using a 4 mm layer thickness of boron carbide paste over the material surface. The boride layers were characterized by the GDOES technique to determine in quantitative form the presence of the alloying elements on the borided phases. The boron diffusion coefficients DFe2B and DFeB were determined by the mass balance equation and the boride incubation time assuming that the boride layers obey the parabolic growth law. Also, the mass gain produced by both boride layers at the surface of the tool steels was determined. Finally, the boron diffusion coefficients were interpreted as a function of the treatment temperature, obtaining the activation energy values for the diffusion controlled growth of Fe2B and FeB hard coatings. © (2009) Trans Tech Publications, Switzerland.
Original languageAmerican English
Pages681-686
Number of pages612
DOIs
StatePublished - 1 Jan 2009
EventDefect and Diffusion Forum -
Duration: 1 Jan 2016 → …

Conference

ConferenceDefect and Diffusion Forum
Period1/01/16 → …

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Boron Compounds
Boron
borides
Borides
Tool steel
boron
diffusion coefficient
steels
Ointments
Boriding
Boron carbide
boron carbides
Hard coatings
mass balance
Alloying elements
Switzerland
Temperature
alloying
temperature
Activation energy

Cite this

Campos-Silva, I., Ortiz-Domínguez, M., López-Perrusquia, N., Escobar-Galindo, R., Gómez-Vargas, O. A., & Hernández-Sánchez, E. (2009). Determination of boron diffusion coefficients in borided tool steels. 681-686. Paper presented at Defect and Diffusion Forum, . https://doi.org/10.4028/www.scientific.net/DDF.283-286.681
Campos-Silva, I. ; Ortiz-Domínguez, M. ; López-Perrusquia, N. ; Escobar-Galindo, R. ; Gómez-Vargas, O. A. ; Hernández-Sánchez, E. / Determination of boron diffusion coefficients in borided tool steels. Paper presented at Defect and Diffusion Forum, .612 p.
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Campos-Silva, I, Ortiz-Domínguez, M, López-Perrusquia, N, Escobar-Galindo, R, Gómez-Vargas, OA & Hernández-Sánchez, E 2009, 'Determination of boron diffusion coefficients in borided tool steels', Paper presented at Defect and Diffusion Forum, 1/01/16 pp. 681-686. https://doi.org/10.4028/www.scientific.net/DDF.283-286.681

Determination of boron diffusion coefficients in borided tool steels. / Campos-Silva, I.; Ortiz-Domínguez, M.; López-Perrusquia, N.; Escobar-Galindo, R.; Gómez-Vargas, O. A.; Hernández-Sánchez, E.

2009. 681-686 Paper presented at Defect and Diffusion Forum, .

Research output: Contribution to conferencePaper

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Campos-Silva I, Ortiz-Domínguez M, López-Perrusquia N, Escobar-Galindo R, Gómez-Vargas OA, Hernández-Sánchez E. Determination of boron diffusion coefficients in borided tool steels. 2009. Paper presented at Defect and Diffusion Forum, . https://doi.org/10.4028/www.scientific.net/DDF.283-286.681