为了考察不同粒径氧化铈对NiCoCrAlY涂层抗氧化性能的影响,分析了未加稀土和添加相同含量纳米级、亚微米级和微米级氧化铈的NiCoCrAlY激光熔覆涂层在1100℃下大气氛围中的等温氧化行为.结果表明,氧化铈的引入,能够较好地提高NiCoCrAlY涂层的抗氧化性能,其中纳米氧化铈的改善作用最为显著、亚微米氧化铈次之、而微米氧化铈最弱.可见,氧化铈对NiCoCrAlY涂层抗氧化性能的改善作用与其粒径有着密切关系.
参考文献
| [1] | 刘纯波,林锋,蒋显亮.热障涂层的研究现状与发展趋势[J].中国有色金属学报,2007(01):1-13. |
| [2] | 毕建平,陈晓鸽,张红松.基体条件对等离子喷涂Sm2Zr2O7/NiCoCrAlY功能梯度热障涂层热冲击性能的影响[J].稀土,2012(04):54-58. |
| [3] | F. Cao;B. Tryon;C.J. Torbet .Microstructural evolution and failure characteristics of a NiCoCrAlY bond coat in "hot spot" cyclic oxidation[J].Acta materialia,2009(13):3885-3894. |
| [4] | Mercer C;Hovis D;Heuer AH;Tomimatsu T;Kagawa Y;Evans AG .Influence of thermal cycle on surface evolution and oxide formation in a superalloy system with a NiCoCrAlY bond coat[J].Surface & Coatings Technology,2008(20):4915-4921. |
| [5] | Mobarra R;Jafari AH;Karaminezhaad M .Hot corrosion behavior of MCrAlY coatings on IN738LC[J].Surface & Coatings Technology,2006(6):2202-2207. |
| [6] | N.M. Yanar;E.M. Meier;F.S. Pettit .The effect of yttrium content on the oxidation-induced degradation of NiCoCrAlY coatings and the influence of surface roughness on the oxidation of NiCoCrAlY and platinum aluminide coatings[J].Materials at High Temperatures,2009(3):331-338. |
| [7] | Soboyejo, W.O.;Mensah, P.;Diwan, R.;Crowe, J.;Akwaboa, S. .High temperature oxidation interfacial growth kinetics in YSZ thermal barrier coatings with bond coatings of NiCoCrAlY with 0.25% Hf[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2011(6):2223-2230. |
| [8] | 王宏宇,左敦稳,王明娣,邵建兵.纳米CeO2p对镍基高温合金表面NiCoCrAlY激光熔覆涂层氧化行为的影响[J].金属学报,2009(08):971-977. |
| [9] | 谢丽英,柳召刚.纳米氧化铈粉体的制备技术研究进展[J].稀土,2007(02):70-76. |
| [10] | 邵明迪,李梅,柳召刚,张晓伟,闫淑君.氧化铈对吸热玻璃性能的影响[J].稀土,2012(04):19-22. |
| [11] | 郭永环,范希营,高顶.氧化铈对低合金钢焊条熔敷金属的影响[J].机械工程学报,2009(04):285-289. |
| [12] | Hongyu Wang;Dunwen Zuo;Gang Chen;Guifang Sun;Xiangfeng Li;Xu Cheng .Hot corrosion behaviour of low Al NiCoCrAlY cladded coatings reinforced by nano-particles on a Ni-base super alloy[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2010(10):3561-3567. |
| [13] | WANG Hongyu,ZUO Dunwen,LI Xiangfeng,CHEN Kangmin,HUANG Mingmin.Effects of CeO2 nanoparticles on microstructure and properties of laser cladded NiCoCrAlY coatings[J].稀土学报（英文版）,2010(02):246-250. |
| [14] | 王雅萍,赵旭辉,卢向雨,左禹.添加氧化铈对AZ91D镁合金表面富镁涂层的保护作用[J].物理化学学报,2012(02):407-413. |
| [15] | 吕晶,樊旭峰,康勇,陈彪,郑君刚.CeO2对不锈钢基SiO2-BaO-Al2O3-Cr2O3陶瓷涂层性能的影响[J].稀土,2012(04):64-67. |
| [16] | 张玉玺,唐黎明,曹鸿璋.超细氧化铈提高聚氨酯耐热性能研究[J].稀土,2011(01):59-61. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%