In this study, damage mechanisms in the FeB/Fe2B coatings formed on the surface of AISI 304 steel are determined by adhesion tests. First, the boriDing of the AISI 304 steel was carried out through the powder-pack method at 1223 K in the range from 2-10 h of exposure time. After treatment, Berkovich depth-sensing indentation test were conducted; the result showed tensil and compressive residual stresses in the FeB and Fe2B, respectively. The adhesion of borided steels was evaluated by the Daimler-Benz Rockwell-C and scratch test. Based on the scratch tracks, the chipping was the predominant mechanism at 2 and 6 h, with critical loads of 35 and 43 N, respectively; while spalliation was determined at 27 N for 10 h. Also, hertzian and tensil cracks, buckling and compressive delamination were determined in the AISI 304 borided steel by scanning electron microscope.
Rodríguez-Castro, G. A., Jiménez-Tinoco, L. F., Méndez-Méndez, J. V., Arzate-Vázquez, I., Meneses-Amador, A., Martínez-Gutiérrez, H., & Campos-Silva, I. (2015). Damage mechanisms in AISI 304 borided steel: Scratch and daimler-benz adhesion tests. Materials Research, 1346-1353. https://doi.org/10.1590/1516-1439.025515