T92钢700 ℃下料浆渗铝机理研究
龚兵兵, 刘光明, 安春香, 梅林波, 张帮彦

Growth Mechanism of Aluminide Coating on T92 Steel Prepared by Slurry Aluminizing at 700 ℃
GONG Bingbing, LIU Guangming, AN Chunxiang, MEI Linbo, ZHANG Bangyan
表3 Fe和Al反应摩尔相变焓与温度的关系式
Table 3 Relationships between molar phase transition enthalpy and temperature for the reactions of Fe and Al
ReactionT / KΔrH / (J·mol-1) (933-1298 K)
Fe+Al→B2298-933-48483.14-11.20(T-298)-0.0338(T 2-2982)
933-1298-58950.14-11.20(T-298)-0.0338(T 2-2982)
2Fe+5Al→η298-933-201636.29-109.17(T-298)-0.1152(T 2-2982)
933-1298-253971.29-109.17(T-298)-0.1152(T 2-2982)
Fe+3Al→θ298-933-111368.88-50.74(T-298)-0.0638(T 2-2982)
933-1298-142769.88-50.74(T-298)-0.0638(T 2-2982)