The Properties of Solution Precursor Plasma Spray Nanostructured Thermal Barrier Coatings

作     者：闵捷 MIN Jie 1,CHENG Xudong 1,YE Weiping 2,LI Qilian 3,YE Fei 1,XIAO Wei 1,ZHANG Qi 1,MENG Lingjuan 1,WANG Pingquan 2 (1.State Key Laboratory of Advanced Technology for Materials Synthesis and Processing,Wuhan University of Technology,Wuhan 430070,China;2.College of Materials Science and Engineering,Wuhan University of Technology,Wuhan 430070,China;3.Beijing Aeronautical Manufacturing Technology Research Institute,Beijing 100024,China)

作者机构：State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of Technology 

出 版 物：《Journal of Wuhan University of Technology(Materials Science)》 (武汉理工大学学报（材料科学英文版）)

年 卷 期：2010年第25卷第6期

页      面：924-928页

核心收录：

学科分类：080503[工学-材料加工工程] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：Funded by the Foundation of State Key Laboratory of Advanced Technology for Materials Synthesis and Processing(WUT2004M07) the Key Laboratory of Hubei Province for Ceramics and Refractories(G0509) 

主　　题：SPPS TBCs nanostructure properties 

摘      要：About 300 μm thickness uniform thermal barrier coatings （TBCs） were deposited on the 1Cr18Ni9Ti samples by solution precursor plasma spray （SPPS）.The analysis methods,such as TEM,SEM,and XRD were used to characterize the coatings in the aspects of microstructure and phase *** samples were quenched from 1121 ℃ to room temperature by forced-air to measure the thermal cycling *** density were measured by means of water *** experimental results show that grain size of the SPPS TBCs is about 30 nm with desired tetragonal phase ZrO2,and the SPPS TBCs（with 16% porosity） consist of arcuate pores,gelatin and melted *** hardness of the coatings is HR45Y38.5 and bond strength between coatings and substrates is 24.2 *** thermal shock test show the coatings have a average life of 500 cycles which is about 2.5 times than that of conventional air plasma spray （APS） TBCs.