K444合金表面CVD渗铝涂层在750 ℃空气中耐NaCl腐蚀行为

刘姝妤, 耿树江, 马艺萌, 王金龙, 王福会

Corrosion Resistance of K444 Alloy without and with CVD Aluminized Coatings Beneath NaCl Deposit in Air at 750 ℃

LIU Shuyu, GENG Shujiang, MA Yimeng, WANG Jinlong, WANG Fuhui

图4 K444合金在750 ℃-NaCl+Air条件下腐蚀1和10 h的SEM截面形貌及EDS元素面分布

Fig.4 SEM cross-sectional morphologies with EDS elements mapping of K444 alloy after 1 h (a) and 10 h (b) corrosion at 750 ℃-NaCl+Air