Element diffusion and interface characteristics between NiCrAlY coating and Ni-base single crystal superalloy | |
Li, MH; Sun, XF; Zhang, ZY; Hu, WY | |
通讯作者 | Li, MH(mhli@imr.ac.cn) |
2004 | |
发表期刊 | RARE METAL MATERIALS AND ENGINEERING
![]() |
ISSN | 1002-185X |
卷号 | 33期号:1页码:55-58 |
摘要 | A NiCrAlY coating was deposited on a Ni-base superalloy substrate by magnetron sputtering. The elemental diffusion and the microstructural change in the interface zone between the NiCrAlY coating and the substrate were investigated. It was shown that the elemental distribution in the as-sputtered NiCrAlY coating was homogeneous and had an abrupt change at the interface between the substrate and coating. During vacuum heat treatment, microstructure changed and a phase transformation took place in the coating because of interdiffusion between the substrate and coating. An interdiffusion layer (outer and inner diffusion layer) appeared and two new phases, gamma-Ni3Al and alpha-Cr, emerged from local Cr-rich regions in the coating. After 200h oxidation at 1000 degreesC, the interdiffusion layer thickened, beneath which diffusion influence layer emerged because of the further diffusion of elements. Ta replaced some of the Al in the gamma-Ni3Al phase, resulting in an increase of the lattice parameter alpha(0) of gamma phase. |
关键词 | NiCrAlY coating Ni-base single crystal superalloy interdiffusion microstructure |
收录类别 | SCI |
语种 | 英语 |
WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
WOS类目 | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
WOS记录号 | WOS:000188932200014 |
出版者 | NORTHWEST INST NONFERROUS METAL RESEARCH |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.imr.ac.cn/handle/321006/119214 |
专题 | 中国科学院金属研究所 |
通讯作者 | Li, MH |
作者单位 | 1.Chinese Acad Sci, Met Res Inst, Shenyang 110016, Peoples R China 2.Hunan Univ, Changsha 410082, Peoples R China |
推荐引用方式 GB/T 7714 | Li, MH,Sun, XF,Zhang, ZY,et al. Element diffusion and interface characteristics between NiCrAlY coating and Ni-base single crystal superalloy[J]. RARE METAL MATERIALS AND ENGINEERING,2004,33(1):55-58. |
APA | Li, MH,Sun, XF,Zhang, ZY,&Hu, WY.(2004).Element diffusion and interface characteristics between NiCrAlY coating and Ni-base single crystal superalloy.RARE METAL MATERIALS AND ENGINEERING,33(1),55-58. |
MLA | Li, MH,et al."Element diffusion and interface characteristics between NiCrAlY coating and Ni-base single crystal superalloy".RARE METAL MATERIALS AND ENGINEERING 33.1(2004):55-58. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论