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2 等离子喷涂用NiCoCrAlTaY粉末 (a、b、c)与YSZ陶瓷粉末(d、e、f)的形貌、断面与粒度分布；(a) NiCoCrAlTaY粉末形貌； (b) NiCoCrAlTaY粉末断面 (c) NiCoCrAlTaY粉末粒度分布；(d) 熔炼破碎YSZ粉末形貌；(e) 团聚烧结YSZ粉末形貌；(f) 团聚烧结YSZ粉末断面.

Fig.2 Morphologies, cross-sections and size distribution of the NiCoCrAlTaY powder and YSZ powders for atmosphere plasma spray. (a), (b) and (c) are morphology, cross section and size distribution of the NiCoCrAlTaY powder, respectively. (d) the morphology of the fused and crushed YSZ powder; (e) and (f) are morphology and cross section of the agglomerated and sintered YSZ powder, respectively