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Microstructure and cyclic oxidation of a Hf-doped (Ni,Pt)Al coating for single-crystal superalloys
Yang, Y. F.1; Ren, P.1; Bao, Z. B.2; Zhu, S. L.2; Wang, F. H.3; Li, W.1
Corresponding AuthorYang, Y. F.(yfyang@jnu.edu.cn) ; Ren, P.(renpan@jnu.edu.cn)
2020-05-15
Source PublicationJOURNAL OF MATERIALS SCIENCE
ISSN0022-2461
Volume55Issue:25Pages:14
AbstractA diffusion-barrier-contained Hf-doped (Ni,Pt)Al coating was prepared by firstly composite electroplating and then aluminising. The TEM study of the microstructure showed that Hf serves as a solid solution in (Ni,Pt)Al lattice and forms HfO2 in the Hf-rich zone. This HfO2 is formed in situ during aluminisation under low oxygen pressure. It acts as a diffusion barrier to prevent the inter-diffusion during cyclic oxidation. In comparison with (Ni,Pt)Al coating, the oxide scale on Hf-dope (Ni,Pt)Al is more adherent. Moreover, the surface rumpling extent is much relieved due to slower Al depletion rate and higher creep resistance by Hf addition.
Funding OrganizationNational Key Research and Development Program ; Science and Technology Program of Guangzhou ; Fundamental Research Funds for the Central Universities ; Scientific Research Funds for the Talents and Innovation Foundation of Jinan University
DOI10.1007/s10853-020-04782-5
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program[2018YFB2002000] ; Science and Technology Program of Guangzhou[202007020008] ; Fundamental Research Funds for the Central Universities[21619334] ; Scientific Research Funds for the Talents and Innovation Foundation of Jinan University
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000533050000003
PublisherSPRINGER
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138884
Collection中国科学院金属研究所
Corresponding AuthorYang, Y. F.; Ren, P.
Affiliation1.Jinan Univ, Inst Adv Wear & Corros Resistant & Funct Mat, Guangzhou 510632, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Lab Corros & Protect, Wencui Rd 62, Shenyang 110016, Peoples R China
3.Northeastern Univ, Corros & Protect Div, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Yang, Y. F.,Ren, P.,Bao, Z. B.,et al. Microstructure and cyclic oxidation of a Hf-doped (Ni,Pt)Al coating for single-crystal superalloys[J]. JOURNAL OF MATERIALS SCIENCE,2020,55(25):14.
APA Yang, Y. F.,Ren, P.,Bao, Z. B.,Zhu, S. L.,Wang, F. H.,&Li, W..(2020).Microstructure and cyclic oxidation of a Hf-doped (Ni,Pt)Al coating for single-crystal superalloys.JOURNAL OF MATERIALS SCIENCE,55(25),14.
MLA Yang, Y. F.,et al."Microstructure and cyclic oxidation of a Hf-doped (Ni,Pt)Al coating for single-crystal superalloys".JOURNAL OF MATERIALS SCIENCE 55.25(2020):14.
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