Ti_3Al基合金表面两种Cr_(1-x)Al_xN(x=0.18,0.47)涂层的热腐蚀性能
HOT CORROSION RESISTANCE OF Cr_(1-x)Al_xN COATINGS ON A Ti_3Al BASED ALLOY IN DEPOSITED (Na_2SO_4+K_2SO_4) MOLTEN SALT AT 800
查看参考文献20篇
|
文摘
|
利用磁控反应溅射的方法在Ti_3Al基合金表面制备了两种不同铝含量的Cr_(0.82)Al_(0.18)N与Cr_(0.53)Al_(0.47)N涂层,测试了这两种涂层在800℃(NR_2SO_4+25 mass%K_2SO_4)熔融盐膜百的热腐蚀动力学,并采用X射线衍射仪和带能谱的扫描电镜分析腐蚀产物相组成以及微观结构.结果表明,两种涂层均可降低Ti_3Al基合金的热腐蚀速率;涂层热腐蚀产物主要为具有保护性的Cr_2O_3和θ-Al_2O_3混合氧化膜,θ-Al_2O_3的含量随着涂层中Al含量上升递增;和θAl_2O_3相比,Cr_2O_3在熔融硫酸盐中的稳定性更好,Cr_(0.82)Al_(0.18)N涂层抗热腐蚀性能优于Cr_(0.53)Al_(0.47)N涂层. |
|
其他语种文摘
|
Cr_(0.82)Al_(0.18)N and Cr_(0.53)Al_(0.47)N coatings were deposited on a Ti_3Al based alloy by reactive magnetron sputtering method. Hot corrosion of these two coatings in 75 mass% Na_2SO_4+25 mass% K_2SO_4 molten salt at 800℃ was performed in a Setsys 16/18 thermoanalyzer. The phase compositions of the corrosion products were identified by X-ray diffractometer (XRD). Both the surface and cross-sectional morphologies of the samples were observed by a scanning electron microscope (SEM). The results showed that both Cr_(0.82)Al_(0.18)N and Cr_(0.53)Al_(0.47)N can reduce the hot corrosion rate of the Ti_3Al based alloy and their hot corrosion resistance decreases with increasing aluminum content; the main corrosion products of the coatings are Cr_2O_3 and θ-Al_2O_3 and the amount of θ-Al_2O_3 in the corrosion products is proportional to the Al content in the coating. The better hot corrosion resistance of Cr_(0.82)Al_(0.18)N coating can attribute to the high stability of Cr_2O_3 in the molten salt. |
|
来源
|
中国腐蚀与防护学报
,2009,29(4):306-311 【核心库】
|
|
关键词
|
Cr_(1-x)Al_xN涂
;
层
;
腐蚀
;
Ti_3Al基合金
|
|
地址
|
中国科学院金属研究所, 沈阳材料科学国家(联合)实验室, 辽宁, 沈阳, 110016
|
|
语种
|
中文 |
|
文献类型
|
研究性论文 |
|
ISSN
|
1005-4537 |
|
学科
|
金属学与金属工艺 |
|
基金
|
国家自然科学基金
|
|
文献收藏号
|
CSCD:3730970
|
参考文献 共
20
共1页
|
|
1.
Xu X J. Pilot processing and microstructure control of high Nb containing ailoy.
Intermetallics,2005,13:337-341
|
被引
11
次
|
|
|
|
|
2.
Yoshihara M. Effects of Nb addition on the oxidation behavior of Ti-Al.
Intermetallics,1995,3:357-363
|
被引
34
次
|
|
|
|
|
3.
Gauthier V. Oxidation resistant aiuminide coatings on γ-Ti-Al.
Oxidation of Metals,2003,59:233-255
|
被引
13
次
|
|
|
|
|
4.
Kuang S C. High temperature coating for titanium aiumindes using the pack-cementation technique.
Oxidation of Metals,1990,34:217-228
|
被引
2
次
|
|
|
|
|
5.
Nishimoto T. Two-step Cr and Al diffusion coating on Ti-Al at high temperature.
Intermetallics,2003,11:225-235
|
被引
7
次
|
|
|
|
|
6.
Katsman A. Nickel-aiuminide coating of Ti-Al by a two-stage process.
Surface and Coatings Technology,2000,127:219-222
|
被引
3
次
|
|
|
|
|
7.
Koo C H. Pack cementation coatings on Ti3AlNb alloys to modify the high temperature oxidation properties.
Surface and Coatings Technology,2000,126:171-180
|
被引
8
次
|
|
|
|
|
8.
Tang Z L. Effect of MCrAlY overlay coatings on oxidation resistance of Ti-Al intermetallics.
Surface and Coatings Technology,1998,99:248-252
|
被引
26
次
|
|
|
|
|
9.
Li Z W. Improving oxidation resistance of Ti_3Al and Ti-Al intermetallic compounds with electro-spark deposited coatings.
Mater.Sci.Eng,2003,A347:243-252
|
被引
1
次
|
|
|
|
|
10.
Wang F H. Effect of sputtered Ti-AlCr coatings on oxidation and hot corrosion resistance of Ti-24Al-14Nb-3V.
Journal of Materials Science and Technology,2001,17:501-506
|
被引
2
次
|
|
|
|
|
11.
Xi Y J. Protective effect of the sputtered Ti-AlCrAg coating on the high temperature oxidation and hot resistance of Ti-Al-Nb alloy.
Journal of Materials Science and Technology,2004,20:724-727
|
被引
1
次
|
|
|
|
|
12.
Zhou C G. Effect of Ti-Al-Cr coatings on the high temperature oxidation behavior of Ti-Al based alloy.
Materials Science and Engineering,2001,307:182-187
|
被引
2
次
|
|
|
|
|
13.
Leyens C. Novel coating system produced by the combined cathodic arc/unbalanced magnetron sputtering environment protection of titanium.
Surface and Coatings Technology,2002,155:103-111
|
被引
11
次
|
|
|
|
|
14.
Banakh O. High-temperature oxidation resistance of Cr_(1-x)Al_xN thin films deposited by reactive magnetron sputtering.
Surf.Coat.Technol,2003,163/164:57-61
|
被引
15
次
|
|
|
|
|
15.
Zhu M'. Improvment on the oxidation resistance of a Ti_3Al based alloy by Cr_(1-x)Al_xN (0≤x≤0.47) coatings.
J Mater.Sci.Technol,2007,23:373-378
|
被引
1
次
|
|
|
|
|
16.
Zhu M. Oxidation resistance of Cr_(1-x)Al_xN (0.18≤x≤0.47) coatings on K38G superalloy at 1000～1100 ℃ in alr.
Surf.Coat.Technol,2006,201:2878-2886
|
被引
6
次
|
|
|
|
|
17.
Li T P. Oxidation resistance of a Cr_(0.50)Al_(0.50)N coating prepared by magnetron sputtering on alloy K38G.
Oxid.Met,2007,68:193-210
|
被引
2
次
|
|
|
|
|
18.
钱余海.
几种合金高温腐蚀行为与稀土、外应力影响机制研究,2002
|
被引
1
次
|
|
|
|
|
19.
Eliaz N. Hot corrosion in gas turbine component.
Eng Fall Anal,2002,9:31-43
|
被引
50
次
|
|
|
|
|
20.
Rapp R.A. Hot corrosion of materials:a fluxing mechanism.
Corrosion Science,2002,44:209-221
|
被引
37
次
|
|
|
|
|
了解气象卫星更多信息，请访问