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Oxidation mechanism of T91 steel in liquid lead-bismuth eutectic: with consideration of internal oxidation
Ye, ZF; Wang, P; Dong, H; Li, DZ; Zhang, YT; Li, YY; Wang, P (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2016-10-13
发表期刊SCIENTIFIC REPORTS
ISSN2045-2322
卷号6
摘要Clarification of the microscopic events that occur during oxidation is of great importance for understanding and consequently controlling the oxidation process. In this study the oxidation product formed on T91 ferritic/martensitic steel in oxygen saturated liquid lead-bismuth eutectic (LBE) at 823 K was characterized at the nanoscale using focused-ion beam and transmission electron microscope. An internal oxidation zone (IOZ) under the duplex oxide scale has been confirmed and characterized systematically. Through the microscopic characterization of the IOZ and the inner oxide layer, the micron-scale and nano-scale diffusion of Cr during the oxidation in LBE has been determined for the first time. The micron-scale diffusion of Cr ensures the continuous advancement of IOZ and inner oxide layer, and nano-scale diffusion of Cr gives rise to the typical appearance of the IOZ. Finally, a refined oxidation mechanism including the internal oxidation and the transformation of IOZ to inner oxide layer is proposed based on the discussion. The proposed oxidation mechanism succeeds in bridging the gap between the existing models and experimental observations.
部门归属[ye, zhongfei ; wang, pei ; dong, hong ; li, dianzhong ; li, yiyi] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china ; [zhang, yutuo] shenyang ligong univ, 6 nanping rd, shenyang 110159, peoples r china
学科领域Multidisciplinary Sciences
资助者Strategic Priority Research Program CAS [XDA03010304]; National Science Foundation of China [91226204]; Youth Innovation Promotion Association CAS [2013126]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/76238
专题中国科学院金属研究所
通讯作者Wang, P (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Ye, ZF,Wang, P,Dong, H,et al. Oxidation mechanism of T91 steel in liquid lead-bismuth eutectic: with consideration of internal oxidation[J]. SCIENTIFIC REPORTS,2016,6.
APA Ye, ZF.,Wang, P.,Dong, H.,Li, DZ.,Zhang, YT.,...&Wang, P .(2016).Oxidation mechanism of T91 steel in liquid lead-bismuth eutectic: with consideration of internal oxidation.SCIENTIFIC REPORTS,6.
MLA Ye, ZF,et al."Oxidation mechanism of T91 steel in liquid lead-bismuth eutectic: with consideration of internal oxidation".SCIENTIFIC REPORTS 6(2016).
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