Microstructure of DS NiCrAlTaY coating
Zhang, YJ; Sun, XF; Jin, T; Han, S; Duan, XH; Zhao, NR; Guan, HG; Hu, ZQ
Corresponding AuthorZhang, YJ()
AbstractDetonation gun spraying (DS) was used to deposit NiCrAlTaY oxidation resistant coating on a single crystal Ni-base superalloy. A fundamental study was carried out on the microstructure, surface hardness and adhesion strength of DS NiCrAlTaY coating by means of XRD, SEM and EDS. The experimental results show the DS NiCrAlTaY coating composes of gamma - Ni, gamma' - Ni3Al, beta - NiAl and the oxidation product alpha - Al2O3 during spraying, which disperses on the splat boundaries. Columnar crystal structure is formed in the splats under the large thermal gradient. Porosity of the as-sprayed coating contains the residual,air. Both the hardness and adhesion strength of DS NiCrAlY coating are high.
Keyworddetonation gun spraying NiCrAlTaY coating single crystal Ni-base superalloy
Indexed BySCI
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000181652500016
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorZhang, YJ
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Shenyang Liming Aeroengine Grp Ltd, Shenyang 110015, Peoples R China
Recommended Citation
GB/T 7714
Zhang, YJ,Sun, XF,Jin, T,et al. Microstructure of DS NiCrAlTaY coating[J]. ACTA METALLURGICA SINICA,2003,39(2):185-188.
APA Zhang, YJ.,Sun, XF.,Jin, T.,Han, S.,Duan, XH.,...&Hu, ZQ.(2003).Microstructure of DS NiCrAlTaY coating.ACTA METALLURGICA SINICA,39(2),185-188.
MLA Zhang, YJ,et al."Microstructure of DS NiCrAlTaY coating".ACTA METALLURGICA SINICA 39.2(2003):185-188.
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