超快加热回火技术在钢板上的应用

IF 1.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Technology Pub Date : 2023-04-25 DOI:10.1080/02670836.2023.2202020

J. I. Carreno-Saavedra, T. Ros-Yáñez, C. I. Garcia, E. Hernández-Durán, R. A. Iquilio, F. M. Castro Cerda

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引用次数: 0

摘要

研究了经超快加热、淬火和回火处理的低合金钢板的组织和拉伸性能。热处理后的组织以马氏体为主，少量贝氏体和铁素体。拉伸试验表明，随着升温速率的增加，强度提高了100 MPa，总伸长率提高了一倍。在快速加热速率下，回火过程显著提高了试样的延展性，从1-4%提高到高达14%。此外，超快加热钢的加工硬化能力优于常规淬火回火处理钢。结果表明，与标准调质条件相比，超快热处理和淬火后的回火阶段进一步改善了材料的性能。

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Application of ultrafast heating and tempering to plate steel

The microstructure and tensile properties were studied in a low-alloy steel plate treated under ultra-fast heating, quenching, and tempering. The microstructure after heat-treatments was predominantly martensite, with low fraction of bainite and ferrite. The tensile tests showed a 100 MPa improvement in strength and a doubling of the total elongation with the increase in heating rate. The tempering process considerably enhanced the ductility from 1–4% to up to 14% in the samples treated at fast heating rates..Furthermore, the work hardening capacity of ultra-fast heated steel was superior compared to steel treated under conventional quenching and tempering. The results suggest that the tempering stage after ultra-fast heat-treatments and quenching further improves the properties compared to the standard quenched and tempered condition.

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来源期刊

Materials Science and Technology 工程技术-材料科学：综合

CiteScore

2.70

自引率

5.60%

发文量

审稿时长

3 months

期刊介绍：《Materials Science and Technology》（MST） is an international forum for the publication of refereed contributions covering fundamental and technological aspects of materials science and engineering.