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Effect of Mg addition on temper embrittlement in 2.25Cr-1Mo steel doped with 0.056% P-Mg segregation behavior at grain boundary
Li, Xiao-bing; Dong, Xin; Zhao, Peng-xiang; Xing, Wei-wei; Ding, Lei-lei; Zhang, Nan-nan; Ma, Ying-che; Liu, Kui
2020-11-03
Source PublicationJOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
AbstractTo verify the microalloying function and segregation behavior of trace Mg at grain boundary in steel, the 2.25Cr-1Mo steel doped with 0.056% P containing different Mg contents was refined with a vacuum-induction furnace. The effects of trace Mg addition on the temper embrittlement susceptibility of 2.25Cr-1Mo steel were studied by step-cooling test and the segregation behavior of Mg at grain boundary was explored by Auger electron spectroscopy. It is shown that P-induced temper embrittlement susceptibility can be reduced after subjecting to step-cooling treatment with trace Mg addition, mainly benefited from the segregation of Mg at grain boundary. This segregation can decrease the segregation amounts of P and S, especially for P, and increase the grain boundary cohesion, reducing the adverse effect on temper embrittlement caused by P and S.
DOI10.1007/s42243-020-00506-w
WOS IDWOS:000584345600001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82378
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Li, Xiao-bing,Dong, Xin,Zhao, Peng-xiang,et al. Effect of Mg addition on temper embrittlement in 2.25Cr-1Mo steel doped with 0.056% P-Mg segregation behavior at grain boundary[J]. JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,2020.
APA Li, Xiao-bing.,Dong, Xin.,Zhao, Peng-xiang.,Xing, Wei-wei.,Ding, Lei-lei.,...&Liu, Kui.(2020).Effect of Mg addition on temper embrittlement in 2.25Cr-1Mo steel doped with 0.056% P-Mg segregation behavior at grain boundary.JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL.
MLA Li, Xiao-bing,et al."Effect of Mg addition on temper embrittlement in 2.25Cr-1Mo steel doped with 0.056% P-Mg segregation behavior at grain boundary".JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL (2020).
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