Reverse aging of pearlitic carbon steel wire rod

IF 1.7 3区 材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING Ironmaking & Steelmaking Pub Date : 2022-11-13 DOI:10.1080/03019233.2022.2143087
B. Rivolta, R. Gerosa, D. Panzeri, L. Piazza, L. Angelini, N. Bolognani, Attilio Panzeri, A. Parimbelli, C. Sala
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Abstract

ABSTRACT High carbon steels are employed for the production of critical components, such as ropes, cables and springs. After hot rolling, their microstructure is controlled by Stelmor cooling, since they are often subjected to strong drawing operations. The as-rolled deformability is a basic property to prevent damages in the following plastic deformation. In the industrial world, it is known that their deformability improves significantly after a storage of a certain time, ranging from some days up to 15–20 days. In this experimental work, the deformability of a high carbon steel was investigated after different storage times varying the wire rod diameter. The percentage reduction of area (ROA) increased after some days until a stable value was reached after about 7–15 days depending on the considered diameter. The fracture surfaces of the aged specimens were analysed by SEM.
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珠光体碳钢盘条的反向时效
高碳钢用于生产关键部件,如绳索、电缆和弹簧。在热轧后,它们的组织由Stelmor冷却控制,因为它们经常受到强拉伸操作。轧制变形性能是防止后续塑性变形损伤的基本性能。在工业领域,众所周知,它们的可变形性在储存一定时间后显着提高,从几天到15-20天不等。本实验研究了不同贮存时间、不同线材直径对高碳钢变形性能的影响。几天后,面积减少百分比(ROA)增加,直到约7-15天后达到稳定值,具体取决于所考虑的直径。对时效试样的断口形貌进行了扫描电镜分析。
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来源期刊
Ironmaking & Steelmaking
Ironmaking & Steelmaking 工程技术-冶金工程
CiteScore
3.70
自引率
9.50%
发文量
125
审稿时长
2.9 months
期刊介绍: Ironmaking & Steelmaking: Processes, Products and Applications monitors international technological advances in the industry with a strong element of engineering and product related material. First class refereed papers from the international iron and steel community cover all stages of the process, from ironmaking and its attendant technologies, through casting and steelmaking, to rolling, forming and delivery of the product, including monitoring, quality assurance and environmental issues. The journal also carries research profiles, features on technological and industry developments and expert reviews on major conferences.
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