Effect of Boriding on the Mechanical Properties of AISI 1045 Steel


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Some mechanical properties of AISI 1045 borided steels were estimated in the present work. The boriding process was carried out by the powder pack method at 950°C with 8 h of treatment. The fatigue strength on borided notched specimens was evaluated with rotating bending tests (R=1) considering a stress concentration factor (Kt) of 2.53. Likewise, the presence of residual stresses in boride layers was established by the XRD technique. The Daimler-Benz Rockwell C test was used, also, to estimate the strength adhesion of the coated system. The results show a decrease in the fatigue strength of AISI borided steels due to the presence of high porosity in the layers. Finally, the Rockwell-C adhesion test showed no coating failure for the boride layer.



Edited by:

Alexander Balankin, José Martínez Trinidad and Orlando Susarrey Huerta




G. Rodríguez-Castro et al., "Effect of Boriding on the Mechanical Properties of AISI 1045 Steel", Advanced Materials Research, Vol. 65, pp. 63-68, 2009

Online since:

March 2009