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1 对应图3不同区域的EDS分析 (atomic fraction / %)

Table 1 EDS analysis results of the different regions marked in Fig.3

Position O Al Cr Fe Ni Nb Mo Ti S A 72.29 - 26.18 0.51 0.50 0.20 - 0.13 0.19 B 15.90 40.05 1.23 4.55 38.27 - - - - C 64.53 1.22 13.06 5.44 12.03 2.02 - 1.10 0.57 D 22.37 37.84 1.17 3.61 35.01 - - - - E 78.87 0.37 9.35 0.78 0.81 4.28 0.15 5.39 - F 63.43 0.80 25.17 3.25 3.86 1.72 - 1.77 - G 47.12 30.92 3.12 3.64 15.20 - - - -