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8 不同沉积温度制备的CVD渗铝涂层在750 ℃-NaCl+Air条件下腐蚀10 h的SEM截面及EDS元素面分布

Fig.8 SEM cross-sectional morphologies with EDS elements mapping of CVD aluminized coatings prepared at different deposition temperatures after 10 h corrosion at 750 ℃-NaCl+Air: (a) 850 ℃, (b) 950 ℃, (c) 1050 ℃