全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

Ni-Cr微米复合镀层抗高温氧化性能研究

, PP. 367-370

Keywords: 电沉积,Ni-Cr微米复合镀层,氧化

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用复合电沉积法制备出Cr颗粒含量不同的Ni-Cr微米复合镀层,该镀层由电镀Ni和微米Cr颗粒(~2.4μm)组成.900℃20h高温氧化实验结果表明,当Cr含量接近32mass%时,该复合镀层能够形成一层连续的Cr2O3氧化膜.通过对微米Cr颗粒含量不同的Ni-Cr复合镀层氧化性能的对比,讨论了其氧化机理.

References

[1]  Gggins C S, Pettit F S. Oxidation of Ni-Cr-Al alloys between 1000 ℃ and 1200 ℃[J]. J. Electrochem. Soc., 1971, 118: 1782.
[2]  Nicholls J R, Hancock P, Al-Yasiri L H. Optimising oxidation resistance of MCrAl coating systems using vapour phase alloy design[J]. Mater. Sci. Tech., 1989, 5: 799.
[3]  Kofstad P. High temperature corrosion[M]. London and New York: Elsevier Applied Science, 1988: 132.
[4]  Koo C H, Yu T H. Pack cementation coatings on Ti3Al-Nb alloys to modify the high-temperature oxidation properties [J]. Surf. Coat. Technol., 2000, 126: 171.
[5]  Wang F, Tian X, Li Q, et al. Oxidation and hot corrosion behavior of sputtered nanocrystalline coating of superalloy K52[J]. Thin solid films, 2008, 516: 5740.
[6]  Bazzard R, Boden P J. Nickel--chromium alloy by codeposition: Part I--Codeposition of chromium particles in a nickel matrix[J]. Trans. Inst. Met. Finish., 1972, 50: 63.
[7]  张艳, 彭晓, 王福会. Cr颗粒尺寸对Ni-Cr 复合镀层氧化行为的影响, 中国腐蚀与防护学报[J]. 2006, 26(2): 85.
[8]  Zhang Y, Peng X, Wang F H. Development and oxidation at 800 ℃ of a novel electrodeposited Ni-Cr nanocomposite film[J]. Mater. Lett., 2004, 58: 1134.
[9]  Calvarin C, Molins R, Huntz A M. Oxidation mechanism of Ni-20Cr foils and its relation to the oxide--scale microstructure[J]. Oxid. Met., 2000, 53: 25.
[10]  Peng X, Li L, Wang F H. Application of AFM in a study of the selective oxidation behavior of materials during the early oxidation stage[J]. Scr. Mater., in press.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133