|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Materials Processing Fundamentals
||E-58: Growth Kinetics on Boriding Process and Mechanical Behaviour of AISI P20 Steel
||Martín Ortiz, Miguel Ángel Flores, Milton Elias Espinosa , Oscar Armando Gómez , Daniel Sánchez
|On-Site Speaker (Planned)
In this work, the AISI P20 steel was pack-borided in the temperature range of 1123-1223 K for treatments times between 2 and 8 h. A kinetic model was proposed for estimating the boron diffusion coefficients through the Fe2B layers. As a result, the boron activation energy for the AISI P20 steel was estimated as 194.3 kJ mol-1. This value of energy was compared to the literatura data. In addtion, to extend the validity of the present model, two additional boriding conditions were done. The Fe2B layers grown on AISI P20 steel were characterized by use of the following experimental techniques: scanning electron microscopy, X-ray diffraction analysis and the Daimler-Benz Rockwell-C indentation technique. Finally, the scratch and pin-on-disc tests for wear resistance were performed using a LG Motion Ltd and a CSM tribometer respectively under dry sliding conditions.
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