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Preparation and Isothermal Oxidation Behavior of Zr-Doped, Pt-Modified Aluminide Coating Prepared by a Hybrid Process
Fan, QX; Yu, HJ; Wang, TG; Wu, ZH; Liu, YM; Fan, QX (reprint author), Tianjin Univ Technol & Educ, Tianjin Key Lab High Speed Cutting & Precis Machi, Tianjin 300222, Peoples R China.; Yu, HJ (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
2018
Source PublicationCOATINGS
ISSN2079-6412
Volume8Issue:1Pages:-
AbstractTo take advantage of the synergistic effects of Pt and Zr, a kind of Zr-doped, Pt-modified aluminide coating has been prepared by a hybrid process, first electroplating a Pt layer and then co-depositing Zr and Al elements by an above-the-pack process. The microstructure and isothermal oxidation behavior of the coating has been studied, using a Pt-modified aluminide coating as a reference. Results showed that the Zr-doped, Pt-modified aluminide coating was primarily composed of beta-(Ni,Pt)Al phase, with small amounts of PtAl2- and Zr-rich phases dispersed in it. The addition of Zr diminished voids on the coating surface since Zr could hinder the growth of beta-NiAl grains. It also helped to increase the spalling resistance of the oxide scale and reduce the oxidation rate, which made the Zr-doped, Pt-modified aluminide coating possess better oxidation resistance than the reference Pt-modified aluminide coating at the temperature of 1100 degrees C.; To take advantage of the synergistic effects of Pt and Zr, a kind of Zr-doped, Pt-modified aluminide coating has been prepared by a hybrid process, first electroplating a Pt layer and then co-depositing Zr and Al elements by an above-the-pack process. The microstructure and isothermal oxidation behavior of the coating has been studied, using a Pt-modified aluminide coating as a reference. Results showed that the Zr-doped, Pt-modified aluminide coating was primarily composed of beta-(Ni,Pt)Al phase, with small amounts of PtAl2- and Zr-rich phases dispersed in it. The addition of Zr diminished voids on the coating surface since Zr could hinder the growth of beta-NiAl grains. It also helped to increase the spalling resistance of the oxide scale and reduce the oxidation rate, which made the Zr-doped, Pt-modified aluminide coating possess better oxidation resistance than the reference Pt-modified aluminide coating at the temperature of 1100 degrees C.
description.department[fan, qixiang ; wang, tie-gang ; wu, zhenghuan ; liu, yanmei] tianjin univ technol & educ, tianjin key lab high speed cutting & precis machi, tianjin 300222, peoples r china ; [yu, haojun] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china
KeywordNi-based Superalloy Cyclic-oxidation High-temperature Bond Coat Microstructural Development Scale Growth Substrate Performance Resistance Platinum
Subject AreaMaterials Science, Coatings & Films
Funding OrganizationNational Nature Science Foundation of China [51501130, 51301181]; Tianjin Municipal Education Commission [JWK1711]; Tianjin Key Research Program of Application Foundation and Advanced Technology [15JCZDJC39700]; Innovation Team Training Plan of Tianjin Universities and Colleges [TD12-5043]; Research Development Foundation of Tianjin University of Technology and Education [KJ11-06]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79607
Collection中国科学院金属研究所
Corresponding AuthorFan, QX (reprint author), Tianjin Univ Technol & Educ, Tianjin Key Lab High Speed Cutting & Precis Machi, Tianjin 300222, Peoples R China.; Yu, HJ (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Fan, QX,Yu, HJ,Wang, TG,et al. Preparation and Isothermal Oxidation Behavior of Zr-Doped, Pt-Modified Aluminide Coating Prepared by a Hybrid Process[J]. COATINGS,2018,8(1):-.
APA Fan, QX.,Yu, HJ.,Wang, TG.,Wu, ZH.,Liu, YM.,...&Yu, HJ .(2018).Preparation and Isothermal Oxidation Behavior of Zr-Doped, Pt-Modified Aluminide Coating Prepared by a Hybrid Process.COATINGS,8(1),-.
MLA Fan, QX,et al."Preparation and Isothermal Oxidation Behavior of Zr-Doped, Pt-Modified Aluminide Coating Prepared by a Hybrid Process".COATINGS 8.1(2018):-.
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