Author(s)

Habib Hammi, Abderazzak El Ouafi^*, Noureddine Barka

Mathematics, Computer Science and Engineering Department, University of Quebec at Rimouski, Rimouski, Canada.

This paper is devoted to the study of frequency effects on hardness profile of AISI 4340 spline shaft heat-treated by induction through an extensive 3D finite element method simulation and structured experimental investigation. Based on coupled electromagnetic and thermal fields analysis, the 3D model is used to estimate the temperature distribution and the hardness profile. The proposed study examines the hardening process parameters, such as frequency, induced current density and heating time, known to have an influence on hardened surface and builds the simulation model step by step. The established model can provide not only an accurate prediction of temperature distribution and hardness profile but also a comprehensive analysis of machine parameters effects, especially the frequency. The numerical results achieved by this model are good and present a great agreement to the experimental data.

Induction Heating, Splines Shaft, Hardness Profile, Current Density, Heating Time, Frequency

Hammi, H. , Ouafi, A. and Barka, N. (2016) Study of Frequency Effects on Hardness Profile of Spline Shaft Heat-Treated by Induction. Journal of Materials Science and Chemical Engineering, 4, 1-9. doi: 10.4236/msce.2016.43001.