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Measurement of grain boundary composition for X52 pipeline steel
Wang, JQ; Atrens, A; Cousens, DR; Kelly, PM; Nockolds, C; Bulcock, S
Corresponding AuthorAtrens, A()
1998-10-09
Source PublicationACTA MATERIALIA
ISSN1359-6454
Volume46Issue:16Pages:5677-5687
AbstractAnalytical electron microscopy was used to measure the composition of grain boundaries (GBs) and interconstituent boundaries (IBs) of X52 pipeline steel using specimens about 40-60 nm in thickness. All elements of interest were examined with the exception of carbon. With this caveat; there was no segregation at proeutectoid ferrite GBs. This indicated that the commonly expected species S and P are not responsible for preferential corrosion of GBs during intergranular stress corrosion cracking of pipeline steels. Manganese was the only species measured to segregate at the IBs. Manganese segregated to the IBs between proeutectoid ferrite and pearlitic cementite, and desegregated from IBs between proeutectoid ferrite and pearlitic ferrite. The pearlitic cementite was Mn rich. There was no Mn segregation at the IBs between pearlitic ferrite and pearlitic cementite. The pattern of Mn segregation could be explained in terms of diffusion in the process zone ahead of the pearlite during the austenite to pearlite transformation and diffusion in the IBs between the proeutectoid ferrite and pearlite. (C) 1998 Acta Metallurgica Inc. Published by Elsevier Science Ltd. All rights reserved.
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000076931300006
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:41[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/107702
Collection中国科学院金属研究所
Corresponding AuthorAtrens, A
Affiliation1.Univ Queensland, Dept Min Minerals & Mat Engn, Brisbane, Qld 4072, Australia
2.Chinese Acad Sci, Inst Corros & Protect Met, State Key Lab Corros Sci, Shenyang 110015, Peoples R China
3.Univ Sydney, Electron Microscopy Unit, Sydney, NSW 2006, Australia
Recommended Citation
GB/T 7714
Wang, JQ,Atrens, A,Cousens, DR,et al. Measurement of grain boundary composition for X52 pipeline steel[J]. ACTA MATERIALIA,1998,46(16):5677-5687.
APA Wang, JQ,Atrens, A,Cousens, DR,Kelly, PM,Nockolds, C,&Bulcock, S.(1998).Measurement of grain boundary composition for X52 pipeline steel.ACTA MATERIALIA,46(16),5677-5687.
MLA Wang, JQ,et al."Measurement of grain boundary composition for X52 pipeline steel".ACTA MATERIALIA 46.16(1998):5677-5687.
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