无机复合涂层对CB2铁素体耐热钢在650℃水蒸气中的防护

陈艺文, 王成, 娄霞, 李定骏, 周科, 陈明辉, 王群昌, 朱圣龙, 王福会

Protective Performance of a Novel Inorganic Composite Coatings on CB2 Ferritic Heat Resistant Steel at 650℃ in Oxygen Flow with Water Vapor

CHEN Yiwen, WANG Cheng, LOU Xia, LI Dingjun, ZHOU Ke, CHEN Minghui, WANG Qunchang, ZHU Shenglong, WANG Fuhui

表1 CB2耐热钢氧化动力学曲线的抛物线拟合结果

Table 1 Parabolic rate constant Kp of CB2 at 650℃

Stage Kp/mg2·cm-4·h-1 Periods/h Initial stage 7.61×10-5 0~4 Stable stage 5.95×10-5 17~66 Accelerate stage Ⅰ 1.49×10-3 193~647 Accelerate stage Ⅱ 1.15×10-2 1173~1500