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Volume 1, Issue 1

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ISSN: 2165-3992
CODEN: MPCACD
Published Online: 1 July 2012
Page Count: 20

Process Simulation of Single and Dual Frequency Induction Surface Hardening Considering Magnetic Nonlinearity

Schwenk, Maximilian
Institute for Applied Materials - Materials Science and Engineering (IAM - WK), Karlsruhe Institute of Technology (KIT), Karlsruhe,

Fisk, Martin
Dept. of Engineering and Mathematics, Division Mechanics of Solid Materials, Luleå Univ. of Technology (LTU), Luleå,

Cedell, Tord
Dept. of Mechanical Engineering, Division of Production and Materials Engineering, Lund Univ. (LU), Lund,

Hoffmeister, Jürgen
Institute for Applied Materials - Materials Science and Engineering (IAM - WK), Karlsruhe Institute of Technology (KIT), Karlsruhe,

Schulze, Volker
Institute for Applied Materials - Materials Science and Engineering (IAM - WK), Karlsruhe Institute of Technology (KIT), Karlsruhe,

Lindgren, Lars-Erik
Dept. of Engineering and Mathematics, Division Mechanics of Solid Materials, Luleå Univ. of Technology (LTU), Luleå,

(Received 30 September 2011; accepted 5 February 2012)

Abstract

A 2D computational model of single and simultaneous dual frequency induction hardening has been developed. Process specific aspects such as the nonlinear magnetic material behavior and phase transformation kinetics of quenched and tempered AISI 4140 are considered. Induction surface hardening experiments have been conducted for validation purposes. The measuring methodologies used to extract input data such as the magnetic material behavior, the current, and the effective heating time are presented. Metallurgical characterization and hardness profiles are compared with the results obtained from simulations. The temperature history, hardness depth profile, and hardness distribution are in good agreement.



Keywords:
induction hardening, hysteresis curve, finite element analysis, process simulation

Paper ID: MPC104374
DOI: 10.1520/MPC104374
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Author Title Process Simulation of Single and Dual Frequency Induction Surface Hardening Considering Magnetic Nonlinearity Symposium , 0000-00-00 Committee A06