传统铸坯的铸轧参数和粘断扩展行为

IF 1.7 3区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

Ironmaking & Steelmaking Pub Date : 2022-12-30 DOI:10.1080/03019233.2022.2154952

Y. Liu, Zhixin Ma, Xu-dong Wang, M. Yao

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引用次数: 1

摘要

摘要分析了常规板坯连铸过程中出现的61个裂纹的浇注参数和行为。研究了普通板坯与宽厚板坯粘胶开裂的差异。结果表明，铸造速度过快或铸造速度的变化是造成这一现象的主要原因。常规板坯的模具水平小，并不是造成板坯粘破的原因，这与板坯宽、厚的原因不同。在传播行为方面，61例贴纸突破中有14例仅发生在热电偶的一柱周围。垂直速度为0.3 ~ 2.4 m·min−1，水平速度为1.0 ~ 9.0 m·min−1。与宽厚板坯不同的是，三种黏着点的垂直速度均高于其浇铸速度。

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Casting parameters and propagation behaviour of sticker breakout for the conventional slab

ABSTRACT The casting parameters and behaviour of 61 sticker breakouts were analysed during the continuous casting of the conventional slab. The difference of sticker breakouts between the conventional slabs and wide and heavy slabs was also studied. The results show that the high casting speed or change of casting speed is the main reason. The mould level of the conventional slab is small and not the reason for sticker breakouts, which is different from the causes of wide and heavy slab. In terms of propagation behaviour, there are 14 cases out of 61 sticker breakouts occurred only around one column of thermocouples. The vertical velocity is in the range of 0.3∼2.4 m·min−1, and the horizontal velocity is in the range of 1.0∼9.0 m·min−1. The vertical velocities of the three sticker breakouts are higher than their casting speeds, which is different from the wide and heavy slab.

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来源期刊

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.