Hardness optimization of boride diffusion layer on ASTM F-75 alloy using response surface methodology
DOI:
https://doi.org/10.31349/RevMexFis.63.1.76Keywords:
ASTM F-75, CoCrMo, boriding, RSM, haynes alloyAbstract
In this study, the Response Surface Methodology (RSM) and Central Composite Design (CCD) were used to optimize the hardness of boride diffusion layer on ASTM F-75 alloy (also called Haynes alloy). A boronizing thermochemical treatment was carried out at different temperatures and for different time periods. Hardness tests were conducted. The boride diffusion layer was verified by the X-ray diffraction (XRD) analysis indicating the formation of CoB, Co$_2$B, CrB and Mo$_2$B phases. An optimal hardness of 3139.7 HV was obtained for the samples subjected to the boriding process for a duration of 6.86 h at 802.4$^{\circ}$C.Downloads
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Published
2017-01-01
How to Cite
[1]
J. Arguelles-Ojeda, A. Márquez-Herrera, A. Saldaña-Robles, A. Saldaña-Robles, M. Corona-Rivera, and J. Moreno-Palmerin, “Hardness optimization of boride diffusion layer on ASTM F-75 alloy using response surface methodology”, Rev. Mex. Fís., vol. 63, no. 1, pp. 76–81, Jan. 2017.
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