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Corrosion onset associated with the reinforcement and secondary phases in B4C-6061Al neutron absorber material in H3BO3 solution
Zhou, Y. T.; Zan, Y. N.; Wei, X. X.; Yang, B.; Zhang, B.; Zheng, S. J.; Shao, X. H.; Dong, J. H.; Ma, X. L.; Xiao, B. L.; Wang, Q. Z.; Ma, Z. Y.
2019-06-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume153Pages:74-84
AbstractThe microstructures in B4C-6061Al composite hot-pressed at different temperatures (560 degrees C, 620 degrees C) are characterized, and the corrosion behavior of the materials is studied using electrochemical tests and quasi in-situ TEM observations. The composite fabricated at 620 degrees C is composed of more matrix-reinforcement reaction products (Al3BC at the interfaces and MgB2 in the alloy matrix). Corrosion occurred slightly in boric acid but severely in Cl--containing solution. The B4C/Al interface in both samples is preferentially attacked and the MgB2 dispersions in the high-temperature-pressed composite remarkably promoted the pitting. Dealloying of Mg2Si precipitate does not obviously deteriorate the corrosion resistance of the composite.
KeywordMetal matrix composites Aluminium TEM Pitting corrosion Interfaces
Indexed BySCI
Language英语
WOS IDWOS:000467669300008
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81049
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhou, Y. T.,Zan, Y. N.,Wei, X. X.,et al. Corrosion onset associated with the reinforcement and secondary phases in B4C-6061Al neutron absorber material in H3BO3 solution[J]. CORROSION SCIENCE,2019,153:74-84.
APA Zhou, Y. T..,Zan, Y. N..,Wei, X. X..,Yang, B..,Zhang, B..,...&Ma, Z. Y..(2019).Corrosion onset associated with the reinforcement and secondary phases in B4C-6061Al neutron absorber material in H3BO3 solution.CORROSION SCIENCE,153,74-84.
MLA Zhou, Y. T.,et al."Corrosion onset associated with the reinforcement and secondary phases in B4C-6061Al neutron absorber material in H3BO3 solution".CORROSION SCIENCE 153(2019):74-84.
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