长时热暴露对一种热障涂层/DZ411镍基高温合金体系界面组织演变的影响

袁鸿渊, 张思倩, 王栋, 张英建, 马力, 于明涵, 张浩宇, 周舸, 陈立佳

Effect of Long-term Thermal Exposure on Microstructure Evolution of Interface Thermal Barrier Coating/DZ411 Ni-based Superalloy

YUAN Hongyuan, ZHANG Siqian, WANG Dong, ZHANG Yingjian, MA Li, YU Minghan, ZHANG Haoyu, ZHOU Ge, CHEN Lijia

表3 图2中各区元素分布

Table 3 Element distribution in each region of Fig.2 (Al, Cr, Co, Ni, %, mass fraction)

Thermal exposure condition A(Al-Cr-Co-Ni) B(Al-Cr-Co-Ni) C(Al-Cr-Co-Ni) D(Al-Cr-Co-Ni) 900 ℃-500 h 6-24-35-33 9-21-31-39 - 5-17-19-42 900 ℃-4500 h 3-27-38-30 9-21-32-38 6-21-33-35 5-11-18-53 1000 ℃-500 h 3-27-38-30 9-21-32-38 7-21-33-35 5-11-18-53 1000 ℃-500 h 5-25-33-36 7-21-31-41 4-23-33-38 4-22-30-40