Effect of thermocyclic treatment with different cooling rates on the mechanical characteristics of 42CD4 low-alloy steel

被引：0

作者：

Bouaksa F. ^{[1
]}

Fellah M. ^{[2
,3
]}

Hezil N. ^{[4
]}

Djellabi R. ^{[5
]}

Touhami M.Z. ^{[3
]}

Iost A. ^{[6
]}

Montagne A. ^{[6
]}

Kosman S. ^{[6
]}

Sabine W. ^{[7
]}

机构：

[1] Laboratory of Composite, Structures and Novel Materials, University of Science and Technology, BP-1505 El M’naouar, Oran

[2] Mechanical Engineering Department, ABBES Laghrour-Khenchela University, P.O 1252

[3] Tribology, Materials Surface and Interfaces laboratory, Khenchela University, P.O 1252

[4] Matter sciences Department, ABBES Laghrour-Khenchela University, P.O 1252

[5] Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing

[6] Laboratory of Mechanics Surfaces and Materials Processing, ARTS ET METIERS ParisTech, 8, Boulevard Louis XIV, Lille Cedex

[7] Department of Physical Metallurgy and Materials Technology, Brandenburg Technical University, Cottbus

来源：

Defect and Diffusion Forum | 2019年 / 397卷

关键词：

Austenization; Grain refinement; Grain size; Hardness; Resilience; Thermocyclic;

D O I：

10.4028/www.scientific.net/DDF.397.169

中图分类号：

学科分类号：

摘要：

The aim of this study was to investigate the influence of thermo-cyclic treatments on the mechanical characteristics (Hardness and Resilience) of low-alloy 42CD4 steel. Thermocyclic treatment on 42CD4 steel was operated for four cycles at 850 °C for 30 min. After each cycle, the steel sample was cooled in different medium (open air and water) in order to check the effect of the cooling rate on the microstructure characteristics. It was found that the cooling rate can affect the mechanical characteristics of the steel. The hardness values of steel cooled in water were higher than those of steel cooled in air. Additionally, there was an increase in the resilience of steel sample with the increase of thermocyclic number. © 2019 Trans Tech Publications Ltd, Switzerland.

引用

页码：169 / 178

页数：9

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