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Vol 10, Issue 1, 2014
Pages: 111 - 116
Professional paper
Metallic materials
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Published: 24.04.2014. Professional paper Metallic materials

DISTORTION BEHAVIOUR OF C15E AND 42CrMo4 STEELS DURING HEAT TREATMENT

By
Damir Česnik ,
Damir Česnik
Contact Damir Česnik

Hidria Rotomatika d.o.o , Spodnja Idrija , Slovenia

Matej Rustja ,
Matej Rustja

Livarna Gorica d.o.o. , Nova Gorica , Slovenia

Milan Bizjak ,
Milan Bizjak

Faculty of Natural Sciences and Engineering, University of Ljubljana , Ljubljana , Slovenia

Blaž Karpe
Blaž Karpe

Faculty of Natural Sciences and Engineering, University of Ljubljana , Ljubljana , Slovenia

Abstract

Dimensional tolerances of semi-products for the automotive industry became extremely narrow, 
and allow no deviations in the production process. In present research work the distortion 
behaviour of C15E (1.1141) and 42CrMo4 (1.7225) steels during two common industrial heat 
treatments (quenching and controlled heating and cooling) was studied by Navy C-ring test. As 
expected, the most noticeable was the dissimilar distortion behaviour of testing steels after 
quenching due to different final microstructure. Results from the present investigation prove, that 
the most important factor for distortion after heat treatment are microstructure transformations. 

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