K452合金表面CVD渗铝涂层制备温度对其750℃硫酸盐热腐蚀行为的影响
徐佳新, 耿树江, 王金龙, 王福会, 孙清云, 吴勇, 夏思瑶

Effect of Coating Process Temperatures on Hot Corrosion Behavior Induced by Deposit of Sulfates Salts in Air at 750oC for CVD Aluminized Coatings on K452 Superalloy
XU Jiaxin, GENG Shujiang, WANG Jinlong, WANG Fuhui, SUN Qingyun, WU Yong, XIA Siyao
图7 K452合金以及3种涂层试样表面沉积Na2SO4 + NaCl在750℃空气中腐蚀50 h的截面形貌及EDS元素面扫描
Fig.7 Cross-sectional morphologies and corresponding EDS element mappings of K452 alloy (a) and three aluminized coatings prepared at 850oC (b), 950oC (c) and 1050oC (d) after hot corrosion of (Na2SO4 + NaCl) deposition for 50 h in air at 750oC