大气等离子热障涂层体系在900 ℃含水蒸气和NaCl环境下的腐蚀行为

李琰琰, 李帅, 董超, 李冬强, 鲍泽斌, 朱圣龙

Corrosion Behavior of Atmospheric Plasma Spray Thermal Barrier Coatings at 900 °C Beneath NaCl Deposits in Oxygen Flow Carrying Water Vapor

LI Yanyan, LI Shuai, DONG Chao, LI Dongqiang, BAO Zebin, ZHU Shenglong

表2 图8和9中标记区域的EDS结果

Table 2 EDS results of the marked areas in Fig.8 and Fig.9 (atomic fraction / %)

Zone O Al Cr Co Ni Ti Y Ta Cl 1# 65.8 34.0 0.1 - - - - - 0.1 2# 67.6 29.2 0.7 - - - 2.4 - 0.1 3# 66.4 24.7 1.1 0.7 1.1 6.0 - - - 4# - 5.6 14.3 16.3 48.8 5.2 - 9.8 - 5# - 2.9 27.2 24.8 41.9 1.0 0.4 1.8 - 6# 67.0 32.0 0.3 0.2 0.3 - - - 0.2 7# 73.5 8.5 10.9 4.8 2.3 - - - - 8# - 17.5 22.2 20.8 35.7 - - 3.8 - 9# - 12.0 28.6 25.1 33.6 - - 0.7 -