Inconel 718及其渗铝涂层在Na2SO4 + 5%NaCl混合盐膜下的热腐蚀行为

胡琪, 耿树江, 王金龙, 王福会, 孙清云, 吴勇, 夏思瑶

Hot Corrosion Behavior of Inconel 718 Without and With Aluminide Coating in Air Beneath a Thin Film of Salt Mixture of Na2SO4 + 5%NaCl

HU Qi, GENG Shujiang, WANG Jinlong, WANG Fuhui, SUN Qingyun, WU Yong, XIA Siyao

表2 对应图6不同区域的EDS分析 (atomic fraction / %)

Table 2 EDS analysis results of the different regions marked in Fig.6

Position O Al Cr Fe Ni Nb Mo Ti S H 63.11 2.09 8.23 14.60 3.93 5.23 - 2.81 - I 53.44 - 3.80 32.40 10.36 - - - - J 71.79 1.52 0.77 19.16 6.76 - - - - K 56.00 30.34 1.35 1.28 9.63 - - - 1.40 L 66.99 25.77 2.28 0.45 1.18 - - - 3.33 M 68.18 0.99 25.21 0.49 2.35 1.62 0.13 0.78 0.25 N 8.99 0.62 2.51 17.03 65.13 0.62 4.99 - 0.11 O 67.03 19.29 2.82 3.27 7.29 - - 0.25 0.05 P 58.16 38.09 1.56 0.61 0.98 - - 0.33 0.27 Q 63.21 0.54 5.01 17.40 12.28 1.00 - 0.56 - R 55.67 38.81 4.08 0.44 0.57 - 0.41 0.02 S 67.06 28.45 1.93 0.91 1.45 - - - -