热喷涂复合结构MCrAlY/8YSZ热障涂层的抗剥落能力

刘福广, 陈胜军, 潘红根, 董鹏, 马英民, 黄杰, 杨二娟, 米紫昊, 王艳松, 雒晓涛

Thermally Sprayed Thermal Barrier Coating of MCrAlY/8YSZ with Hybrid Microstructure and Its Spallation Resistance

LIU Fuguang, CHEN Shengjun, PAN Honggen, DONG Peng, MA Yingmin, HUANG Jie, YANG Erjuan, MI Zihao, WANG Yansong, LUO Xiaotao

图3 复合结构MCrAlY/8YSZ热障涂层的断面显微结构

Fig.3 Cross sectional microstructure of the hybrid-structured MCrAlY/8YSZ TBCs (a) full-size view of the hybrid coating; (b), and (c) are close views of HVOF NiCoCrAlTaY bond coat and APS hybrid structure NiCoCrAlTaY buffer layer, respectively. (d) and (e) are close views of layered structured YSZ coating area and porous YSZ coating area, respectively