采用3kW射频电源在经真空电弧镀涂敷了NiCrAlY过渡层的涡轮和导向叶片上沉积 ZrO2陶瓷层,对其组织结构与元素面分布进行了电子探针测试.对NiCrAlY涂层进行喷丸形变处理,研究了不同时效温度下的应力变化.测试了热障涂层高温氧化与热冲击性能,结果表明,经1100℃静态氧化100h和热冲击500次陶瓷层未剥落.
参考文献
| [1] | Lugscheider E.;Dopper G.;Barimani C. .Ceramic thermal barrier coatings deposited with the electron beam-physical vapour deposition technique[J].Surface & Coatings Technology,1998(1/3):1221-1227. |
| [2] | Celik E;Avci E;Yilmaz F .Evaluation of interface reactions in thermal barrier ceramic coatings[J].Surface & Coatings Technology,1997(1/3):361-365. |
| [3] | ALPERINE S;LELAIT L .Microstructure investigation of plasma-sprayed yttria partially stabilized zirconia TBC[J].Journal of Engineering for Gas Turbines and Power,Transactions of the ASME,1994,116:258-265. |
| [4] | HARMSWORTH P D;STEVENS R .Microstructure of zirconia-yttria plasma-sprayed thermal barrier coatings[J].Journal of Materials Science,1992,27:616-624. |
| [5] | Y.Gao;M.C.Chen .Study on Eb-PVD zirconia thermal barrier coatings for gas turbine blade protection[J].Materials and Manufacturing Processes,1999(5):691-696. |
| [6] | Movchan BA.;Marinski GS. .Gradient protective coatings of different application produced by EB-PVD[J].Surface & Coatings Technology,1998(1/3):309-315. |
| [7] | Herr W;Broszeit E;Tech Univ Darmstadt Inst Mat Sci D-64283 Darmstadt Germany. .The influence of a heat treatment on the microstructure and mechanical properties of sputtered coatings[J].Surface & Coatings Technology,1997(1/3):335-340. |
| [8] | DIAZ P;RALPH B;EDIRISINGHE M J .Transmission electron microscope characterization of a plasma-sprayed ZrO2-Y2O3-TiO2 thermal barrier coating[J].Materials Characterization,1998,41:55-67. |
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