纳米晶Ni-12Cr合金800 ℃高温氧化动力学和氧化膜结构演化

张勤, 梁涛沙, 王文, 赵朗朗, 姜岳峰

Oxidation Kinetics and Microstructure Evolution of Nanocrystalline Ni-12Cr Alloy at 800 ℃

ZHANG Qin, LIANG Taosha, WANG Wen, ZHAO Langlang, JIANG Yuefeng

图2 粗晶和纳米晶结构Ni-12Cr合金在800 ℃空气中氧化109 h的氧化动力学曲线和抛物线速率常数

Fig.2 Oxidation kinetic curves (a) and parabolic rate constants of CG (b) and NC (c) Ni-12Cr alloy at 800 ℃ in air for 109 h. The inset in (Fig.2c) shows the enlarged view at the initial oxidation stage