Inclusion analysis in a dual-phase automotive strip steel

IF 1.7 3区 材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING Ironmaking & Steelmaking Pub Date : 2023-03-01 DOI:10.1080/03019233.2023.2180218
H. Cockings, J. Griffiths, J. Russell, R. Underhill
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Abstract

ABSTRACT A holistic assessment of inclusions present within a cold rolled DP800 steel was performed. The assessment comprised a variety of methods including optical microscopy and image processing, alongside quantitative, statistical analysis. The ‘statistics of extreme values’ approach was applied, utilising outputs from microstructural analysis. A qualitative analysis followed via the use of SEM and EDS to determine the morphologies and compositions of inclusions within the material. This has allowed for cross-coil examination; identifying the variation in behaviour of inclusions through the width of a cold rolled strip, which can be correlated with slab solidification as well as final product performance. This understanding is also critical in informing sample extraction for microstructural characterisation and mechanical property assessments. The research has provided an accelerated methodology of inclusion analysis that can be applied to DP800 effectively, allowing for manufacture-microstructure relationships to be determined.
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双相汽车带钢中夹杂物分析
摘要对冷轧DP800钢中存在的夹杂物进行了全面评估。评估包括多种方法,包括光学显微镜和图像处理,以及定量统计分析。应用“极值统计”方法,利用微观结构分析的输出。随后通过使用SEM和EDS进行定性分析,以确定材料中夹杂物的形态和成分。这允许交叉线圈检查;识别夹杂物在冷轧带宽度上的行为变化,这可能与板坯凝固以及最终产品性能有关。这一理解对于微观结构表征和机械性能评估的样品提取也至关重要。该研究提供了一种可以有效应用于DP800的加速夹杂物分析方法,从而可以确定制造微观结构关系。
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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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