Application of X-ray computed tomography (CT) to detect quality of continuous casting products
LEI Xun-hui1, ZHANG Li-feng2, YANG Wen1, JIANG Dong-bin1, ZHANG Xian-guang1
1. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing,Beijing 100083, China; 2. State Key Lab of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, Hebei, China
Abstract：In the current study, the X-ray Computed Tomography (CT) was used to detect the quality of continuous casing products in industrial production, including large inclusions and bubbles within the subsurface of a continuous casting slab of IF steel, corner cracks of a micro-alloy steel continuous casting slab and central porosity of the continuous casting bloom a heavy rail steel, all of which were characterized in their real three-dimensional structures. The surface quality and the inner quality of continuous casing products could be quantitatively evaluated. For example, for the detected rail steel bloom, the central porosity was 0.33% in volume and the average compactness was 96.6%.
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2020, Vol. 30 
