连铸中出现的内部缺陷分析

Scientific Bulletin of Valahia University Materials and Mechanics Pub Date : 2018-04-01 DOI:10.1515/bsmm-2018-0005

E. Stoian, V. Bratu, Cristiana Maria Enescu, C. Rusănescu

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引用次数: 1

摘要

摘要对连铸过程中产生的内部缺陷进行了研究。这50个样品取自20个不同钢种的连铸钻头。分析样品上显示的内部缺陷原因的调查，是从二次冶金正确进行的假设开始的。以下内部缺陷已经明显:内部裂纹(轴向裂纹、截面裂纹)、中心孔隙和边缘标点杂质。

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Analysis of Internal Defects Appeared in the Continuous Casting

Abstract The paper presents the study of internal defects resulting from the continuous casting of steels. The 50 samples were taken from a total of 20 continuously cast bits of different steel grades. The investigation of the causes of internal defects, shown on the analyzed samples, started from the assumption that the secondary metallurgy was performed correctly. The following internal defects have been evident: internal cracks (axial cracks, section cracks), central porosity and marginal punctuation impurities.

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来源期刊

Scientific Bulletin of Valahia University Materials and Mechanics

自引率

0.00%

发文量

审稿时长

4 weeks