Development of significantly hard hypereutectoid plain carbon steel through incomplete austenitization based cyclic quenching treatment Entwicklung eines signifikant harten übereutektoiden Kohlenstoff-Glattstahls durch eine zyklische Abschreckung mit unvollständiger Austenitisierung

IF 1.2 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Materialwissenschaft und Werkstofftechnik Pub Date : 2024-11-07 DOI:10.1002/mawe.202400076

J. Maity, M. G. Dastidar, S. Mandal, S. Sharma, S. K. Chaudhary, A. Saha

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Abstract

In this investigation hot rolled steel bars of 1.24 weight % carbon steel are subjected to incomplete austenitization based cyclic quenching treatment. Each cycle consists of inserting the specimen in an electric resistance furnace at a temperature of 894 °C and holding for a short duration (6 minutes), followed by oil quenching to the room temperature. Such a typical thermal cycling results in the evolution of a novel microstructure that comprises of large clusters and blocks of cementite in a matrix of martensite after 3 and 4 cycles. Accordingly, a significantly high hardness (7.13 GPa) is achieved on execution of 3 cycles which envisages a new pathway of incomplete austenitization based cyclic quenching treatment for development of new-generation plain carbon hypereutectoid tool steel.

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通过基于不完全奥氏体化的循环淬火处理，开发硬度明显提高的过共析普通碳钢通过不完全奥氏体化的循环淬火处理，开发硬度明显提高的过共析普通碳钢

在这项研究中，对重量百分比为 1.24 的碳钢热轧钢棒进行了基于循环淬火处理的不完全奥氏体化。每个循环包括将试样放入温度为 894 ℃ 的电阻炉中并保持较短时间（6 分钟），然后油淬至室温。这种典型的热循环会导致一种新的微观结构的演变，这种结构由马氏体基体中的大团和大块雪明碳酸盐组成，经过 3 和 4 次循环后，这种微观结构就形成了。因此，在进行 3 次循环后，硬度明显提高（7.13 GPa），这为基于循环淬火处理的不完全奥氏体化开发新一代普通碳超共析工具钢提供了新途径。

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来源期刊

Materialwissenschaft und Werkstofftechnik 工程技术-材料科学：综合

CiteScore

2.10

自引率

9.10%

发文量

154

审稿时长

4-8 weeks

期刊介绍： Materialwissenschaft und Werkstofftechnik provides fundamental and practical information for those concerned with materials development, manufacture, and testing. Both technical and economic aspects are taken into consideration in order to facilitate choice of the material that best suits the purpose at hand. Review articles summarize new developments and offer fresh insight into the various aspects of the discipline. Recent results regarding material selection, use and testing are described in original articles, which also deal with failure treatment and investigation. Abstracts of new publications from other journals as well as lectures presented at meetings and reports about forthcoming events round off the journal.