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Atomic imaging of the interface between M23C6-type carbide and matrix in a long-term ageing polycrystalline Ni-based superalloy
Hu, X. B.; Zhu, Y. L.; Zhou, L. Z.; Wu, B.; Ma, X. L.; xlma@imr.ac.cn
2015
Source PublicationPHILOSOPHICAL MAGAZINE LETTERS
ISSN0950-0839
Volume95Issue:4Pages:237-244
AbstractBesides the well-known cube-on-cube orientation relationship (OR) between M23C6 carbide and matrix, we have determined a new OR named as the twin-related OR in a long-term ageing Ni-based superalloy on the basis of the extensive and detailed electron diffraction analyses. Furthermore, by means of atomic-resolution high angle annular dark-field imaging technique which is implemented in the aberration-corrected scanning transmission electron microscope, we elucidated the interfacial characteristics between M23C6 and matrix for above two types of ORs. Taking into account of the interfacial characteristics, we propose that the twin-related OR possesses a higher total interfacial energy. Thus, its frequency of occurrence is lower than that of the cube-on-cube OR though both ORs are usually seen in the long-term ageing samples.
description.department[hu, x. b. ; zhu, y. l. ; wu, b. ; ma, x. l.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china ; [zhou, l. z.] chinese acad sci, inst met res, superalloys div, shenyang 110016, peoples r china
KeywordNickel-based Superalloys Crystallographic Orientation Relationship M23c6-type Carbide
Funding OrganizationNational Natural Foundation of China [11327901]; National Basic Research Program of China [2010CB631206, 2009CB623705]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74644
Collection中国科学院金属研究所
Corresponding Authorxlma@imr.ac.cn
Recommended Citation
GB/T 7714
Hu, X. B.,Zhu, Y. L.,Zhou, L. Z.,et al. Atomic imaging of the interface between M23C6-type carbide and matrix in a long-term ageing polycrystalline Ni-based superalloy[J]. PHILOSOPHICAL MAGAZINE LETTERS,2015,95(4):237-244.
APA Hu, X. B.,Zhu, Y. L.,Zhou, L. Z.,Wu, B.,Ma, X. L.,&xlma@imr.ac.cn.(2015).Atomic imaging of the interface between M23C6-type carbide and matrix in a long-term ageing polycrystalline Ni-based superalloy.PHILOSOPHICAL MAGAZINE LETTERS,95(4),237-244.
MLA Hu, X. B.,et al."Atomic imaging of the interface between M23C6-type carbide and matrix in a long-term ageing polycrystalline Ni-based superalloy".PHILOSOPHICAL MAGAZINE LETTERS 95.4(2015):237-244.
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