富铝CMAS对稀土硅酸盐环境障涂层的腐蚀行为与机制研究

范栋, 钟鑫, 王亚文, 张振忠, 牛亚然, 李其连, 张乐, 郑学斌

Corrosion Behavior and Mechanism of Aluminum-rich CMAS on Rare-earth Silicate Environmental Barrier Coatings:

FAN Dong, ZHONG Xin, WANG Yawen, ZHANG Zhenzhong, NIU Yaran, LI Qilian, ZHANG Le, ZHENG Xuebin

表3 图3中标记区域的EDS元素组成

Table 3 EDS elemental compositions of the marked regions in Fig. 3

EDS/ (%, in atom) Gd Y Er Si O Ca Al Mg Point 1 20.60 — — 19.62 51.73 8.02 — — Point 2 — 26.04 — 17.55 50.57 5.83 — — Point 3 — — 26.95 15.16 50.78 7.10 — — Point 4 — 14.03 — 5.72 52.27 4.01 20.31 3.66