The Low Times Structure Inspection of the Continuous Casting Slab of Low Carbon Steel
Abstract: The method of low times test is used to test the solidification structure and the distribution of macro defect of the continuous casting slab. In this paper, several common methods of low times test are analyzed and compared, and then we conclude that the cold acid corrosion is the simplest and most practical method for laboratory condition. This paper aims to explore the corrosion of cold acid for the low carbon steel; however, we got unideal results after we used some traditional corrosion for this steel. Since the information of solidification structure was fuzzy, the crystal and equal axial grain have unclear boundary. So I make some improvement for the traditional corrosion. Anhydrous alcohol, ferric sulfate and sodium dodecyl benzene sulfonate are added to the aqueous solution of nitric acid in a certain proportion. Consequently, we get clear solidification structure information.
文章引用: 唐广鹏 , 贾丹斌 , 杨 鑫 , 周秀丽 , 温天朋 , 戴文斌 (2016) 低碳钢连铸坯的低倍组织检验。 冶金工程， 3， 72-78. doi: 10.12677/MEng.2016.32011
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