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Effect of boron additions on the microstructure and transverse properties of a directionally solidified superalloy
Yan, B. C.; Zhang, J.; Lou, L. H.
Corresponding AuthorZhang, J.(jianzhang@imr.ac.cn)
2008-02-15
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume474Issue:1-2Pages:39-47
AbstractThe effect of boron additions ranging from 5 to 210ppm on the microstructure and transverse properties of a directionally solidified (DS) superalloy was studied. Lamellar borides were observed in the as-cast specimens when B addition was increased to 210 ppm. The borides gradually decomposed during solution heat treatment. gamma' envelope formed around carbides in B containing alloys after solution heat treatment. No secondary carbides were found during the formation of the gamma' envelope. The transverse creep lifetime and the tensile properties at both room temperature and 870 degrees C were significantly improved when boron was added. However, further increasing in B content showed different effect on creep strength and tensile properties at different experimental conditions. (C) 2007 Elsevier B.V. All rights reserved.
Keywordsuperalloy boron additions carbide creep tensile
DOI10.1016/j.msea.2007.05.082
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000253030500005
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:70[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/93128
Collection中国科学院金属研究所
Corresponding AuthorZhang, J.
AffiliationChinese Acad Sci, Met Res Inst, Superalloys Div, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Yan, B. C.,Zhang, J.,Lou, L. H.. Effect of boron additions on the microstructure and transverse properties of a directionally solidified superalloy[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2008,474(1-2):39-47.
APA Yan, B. C.,Zhang, J.,&Lou, L. H..(2008).Effect of boron additions on the microstructure and transverse properties of a directionally solidified superalloy.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,474(1-2),39-47.
MLA Yan, B. C.,et al."Effect of boron additions on the microstructure and transverse properties of a directionally solidified superalloy".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 474.1-2(2008):39-47.
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