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has been cited by the following article:

• TITLE: Study of Frequency Effects on Hardness Profile of Spline Shaft Heat-Treated by Induction

  AUTHORS: Habib Hammi, Abderazzak El Ouafi, Noureddine Barka

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

  JOURNAL NAME: Journal of Materials Science and Chemical Engineering, Vol.4 No.3, March 9, 2016

  ABSTRACT: 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.