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 |
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