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High Temperature Materials and Processes

Editor-in-Chief: Fukuyama, Hiroyuki

Editorial Board: Waseda, Yoshio / Fecht, Hans-Jörg / Reddy, Ramana G. / Manna, Indranil / Nakajima, Hideo / Nakamura, Takashi / Okabe, Toru / Ostrovski, Oleg / Pericleous, Koulis / Seetharaman, Seshadri / Straumal, Boris / Suzuki, Shigeru / Tanaka, Toshihiro / Terzieff, Peter / Uda, Satoshi / Urban, Knut / Baron, Michel / Besterci, Michael / Byakova, Alexandra V. / Gao, Wei / Glaeser, Andreas / Gzesik, Z. / Hosson, Jeff / Masanori, Iwase / Jacob, Kallarackel Thomas / Kipouros, Georges / Kuznezov, Fedor


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Open Access
Online
ISSN
2191-0324
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Volume 30, Issue 1-2

Issues

Effects of Heat Treatment on the Microstructure and Mechanical Properties of Low-carbon Microalloyed Steels

Cihan Ekinci / Nazim Ucar / Adnan Calik
  • Department of Manufacturing Engineering, Faculty of Technology, Suleyman Demirel University, Isparta, Turkey
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Serdar Karakas
  • Department of Manufacturing Engineering, Faculty of Technology, Suleyman Demirel University, Isparta, Turkey
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Iskender Akkurt
Published Online: 2011-04-19 | DOI: https://doi.org/10.1515/htmp.2011.005

Abstract

In this study, the effect of cooling rate and heat treatment on the microstructural and mechanical characteristics such as microhardness of low-carbon microalloyed steel was investigated by means of optical microscopy and Vickers hardness tests. The cooling rates were controlled by introducing air-cooling, furnace-cooling, water-quenching and liquid nitrogen quenching. The obtained results showed that the difference of cooling rates and the heat treatments significantly affect the microstructure and mechanical properties of steels. These tendencies were dominant in liquid nitrogen cooled for 1073 K at 4 h and 1273 K heat treatment processes.

Keywords.: Microalloyed steels; heat treatment; hardness testing; microstructure

About the article

Corresponding author: Cihan Ekinci, Physics Department, Art and Science Faculty, Suleyman Demirel University, Isparta, Turkey


Received: 2010-07-22

Published Online: 2011-04-19

Published in Print: 2011-04-01


Citation Information: High Temperature Materials and Processes, Volume 30, Issue 1-2, Pages 39–42, ISSN (Online) 2191-0324, ISSN (Print) 0334-6455, DOI: https://doi.org/10.1515/htmp.2011.005.

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