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2 渗铝层中各相的热力学数据[21]

Table 2 Thermodynamic data of all phases in the aluminized coating[21]

Substance ΔH2980 / (J·mol-1) ΔS2980 / (J·K-1 mol-1) Fe 0 27.15 Al 0 28.33 B2 -48483.14 50.74 η -201636.29 153.61 θ -111368.88 95.29