基于智能化要求的航空发动机YSZ热障涂层高温导电性能  

High Temperature Conductivity of Aeroengine YSZ Thermal Barrier Coating Based on Intelligent Requirements

作　　者：焦旭东[1] 何金辉 JIAO Xu-dong;HE Jin-hui(Xi'an Aeronautical Polytechnic Institute,Xi'an Shaanxi 710089,China;Zhongsheng Environmental Technology Development Co.,Ltd.,Xi'an Shaanxi 710065,China)

机构地区：[1]西安航空职业技术学院,陕西西安710089 [2]中圣环境科技发展有限公司,陕西西安710065

出　　处：《粘接》2020年第6期189-192,共4页Adhesion

摘　　要：面向YSZ热障涂层进行高温导电性能分析,提出可显著提升高温电绝缘性的有效方式,即改良优化喷涂配方比例,并以计算机仿真技术对热障涂层复合结构的高温导电性能做了深层探索分析。通过实验结果表明,热障涂层中添加Al2O3,可有效提升涂层高温电绝缘性四个等级,可满足基于涡轮叶片热障涂层制作传感器的个性化需求;以传感器、热障涂层为载体的复合结构,涂层表面传感器电流高温特性即材料导电性、传感器与涂层结构尺寸整体函数。The high temperature electrical conductivity of YSZ thermal barrier coating is analyzed,and an effective way to significantly improve the high temperature electrical insulation is put forward,that is,to improve and opti⁃mize the proportion of spraying formula,and omputer simulation technology was used to make a deep exploration and analysis of the high-temperature conductivity of the thermal barrier coating composite structure.The experi⁃mental results show that the addition of Al2O3,to the thermal barrier coating can effectively improve the high tem⁃perature electrical insulation of the coating at four levels,and can meet the personalized needs of the sensor based on the turbine blade thermal barrier coating.In the composite structure with the sensor and thermal barrier coating as the carrier,the high-temperature characteristics of the sensor current on the coating surface are the material conductivity,the overall function of the size of the sensor and the coating structure.

关 键 词：智能化 航空发动机 YSZ热障涂层 高温导电性能 

分 类 号：TG154[金属学及工艺—热处理] TQ423.9[金属学及工艺—金属学]