Nyo, Tun Tun; Kaijalainen, Antti; Hannula, Jaakko; Somani, Mahesh; Kömi, Jukka (2019) Infulence of chromium content of the mechanical properties and HAZ simulations of low-carbon bainitic steels. In : Proceedings of the 28th International Conference on Metallurgy and Materials, METAL 2019, May 22nd-24th 2019 Brno, Czech Republic, (pp. 520-525), Ostrava: Tanger.
Infulence of chromium content of the mechanical properties and HAZ simulations of low-carbon bainitic steels
|Author:||Nyo, Tun Tun1; Kaijalainen, Antti1; Hannula, Jaakko1;|
1Materials and Mechanical Engineering, CASR, University of Oulu, Finland, EU
|Online Access:||PDF Full Text (PDF, 1.8 MB)|
|Persistent link:|| http://urn.fi/urn:nbn:fi-fe202001303933
|Publish Date:|| 2020-01-30
During thermomechanically controlled processing (TMCP) of carbon steels, controlled rolling in norecrystallization regime followed by directing quenching results in excellent mechanical properties, besides enabling cost-saving in respect of energy costs normally incurred during reheating and quenching procedure. The effects of three different combinations of Cr with 0.06 wt.% of Nb on the microstructures and mechanical properties of thermomechanically rolled and direct-quenched low-carbon (0.035 wt.%) microalloyed steel plates have been investigated to obtain balanced mechanical properties. Laboratory-scale ingots were cast, hot rolled and direct quenched into 12 mm thick plates as per an experimental plan. Tensile properties, impact toughness, hardness and hardenability were studied. In addition, coarse grained heat affected zone (CGHAZ) simulations were performed in a Gleeble simulator to evaluate the weldability of the investigated steels using cooling time from 800 °C to 500 °C (t8/5) of 5 s and 15 s.
|Pages:||520 - 525|
Proceedings of the 28th International Conference on Metallurgy and Materials, METAL 2019, May 22nd-24th 2019 Brno, Czech Republic
International Conference on Metallurgy and Materials
|Type of Publication:||
A4 Article in conference proceedings
|Field of Science:||
216 Materials engineering
© 2019 The Authors and Tanger Ltd.