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Effect of welding thermal cycles on the oxidation resistance of 9 wt.% Cr heat resistant steels in 550 degrees C lead-bismuth eutectic
Wang, J; Rong, LJ; Li, DZ; Lu, SP; Lu, SP (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
2016-12-15
Source PublicationAPPLIED SURFACE SCIENCE
ISSN0169-4332
Volume389Pages:930-941
AbstractThe oxidation resistance for the heat affected zone (HAZ) and base metal of 9 wt.% Cr heat resistant steel in 550 degrees C lead-bismuth eutectic has been investigated. The oxide film presents a three-layer structure. The outer layer is Fe3O4 while the inner layer is mainly FeCr2O4. The oxide film thickness becomes thinner and thinner in turns of the coarse grained HAZ, fine grained HAZ, inter-critical HAZ and base metal. The oxygen diffusion is the rate determining step during the oxidation process. The Cr-enriched M23C6 plays a significant role on the oxidation rate at the initial stage of oxidation. Increasing the carbon content is a useful method to improve the oxidation resistance. (C) 2016 Elsevier B.V. All rights reserved.
description.department[wang, jian ; rong, lijian ; lu, shanping] chinese acad sci, inst met res, key lab nucl mat & safety assessment, shenyang 110016, peoples r china ; [wang, jian ; li, dianzhong ; lu, shanping] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
Keyword9 Wt.% Cr Heat Resistant Steels Lead-bismuth Eutectic Welding Thermal Cycle Oxidation
Subject AreaChemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
Funding OrganizationNational Natural Science Foundation of China [91226204]; Chinese Academy of Sciences Strategic Pilot Project [XDA03010304]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/76155
Collection中国科学院金属研究所
Corresponding AuthorLu, SP (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Wang, J,Rong, LJ,Li, DZ,et al. Effect of welding thermal cycles on the oxidation resistance of 9 wt.% Cr heat resistant steels in 550 degrees C lead-bismuth eutectic[J]. APPLIED SURFACE SCIENCE,2016,389:930-941.
APA Wang, J,Rong, LJ,Li, DZ,Lu, SP,&Lu, SP .(2016).Effect of welding thermal cycles on the oxidation resistance of 9 wt.% Cr heat resistant steels in 550 degrees C lead-bismuth eutectic.APPLIED SURFACE SCIENCE,389,930-941.
MLA Wang, J,et al."Effect of welding thermal cycles on the oxidation resistance of 9 wt.% Cr heat resistant steels in 550 degrees C lead-bismuth eutectic".APPLIED SURFACE SCIENCE 389(2016):930-941.
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