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Induction surface hardening – comparison of different methods

Barglik J.

Przegląd Elektrotechniczny

2018

R. 94, nr 7

6--11

The overview of the induction surface hardening methods were presented in the paper. Two examples are considered: continual hardening of cylinders made of steel 38Mn6 and dual frequency hardening of gear wheels made of steel 40 HNMA. Results of measurements provided at the experimental stand were presented. Acceptable accordance between measurements and numerical computations were obtained. Final conclusions were formulated.

W pracy dokonano przeglądu metod hartowania indukcyjnego powierzchniowego elementów stalowych. Rozpatrzono dwa przypadki: hartowania przelotowego wałków ze stali 38Mn6 oraz hartowania dwuczęstotliwościowego kół zębatych ze stali 40HNMA. Przedstawiono wyniki pomiarów na stanowisku doświadczalnym. Uzyskano zadowalającą zbieżność między wynikami pomiarów i obliczeń numerycznych.

The Microstructure and Mechanical Properties of Cylindrical Elements from Steel 38Mn6 after Continuous Induction Heating

Smalcerz A., Barglik J., Kuc D., Ducki K., Wasiński S.

Archives of Metallurgy and Materials

2016

Vol. 61, iss. 4

1969--1974

The paper deals with the influence of induction surface hardening on the microstructure and mechanical properties of cylindrical elements made of steel 38Mn6. The first stage was based on computer simulation of the induction hardening process. The second stage - experiments were provided on laboratory stand for induction surface hardening located at the Silesian University of Technology. Microstructure tests were conducted on light and scanning microscopes. The hardness penetration pattern and thickness of hardened layer were marked. It was found that due to properly chosen parameters of the process, the appropriate properties and thickness of hardened layer were achieved.