三元Co-Ni-Al合金在800~1000 ℃纯氧中的氧化行为研究

任延杰, 吕云蕾, 戴汀, 郭晓慧, 陈荐, 周立波, 邱玮, 牛焱

Oxidation Behavior of Ternary Alloys Co-20Ni-3Al and Co-20Ni-5Al in 105 Pa O2 Atmosphere at 800-1000 ℃

REN Yanjie, LV Yunlei, DAI Ting, GUO Xiaohui, CHEN Jian, ZHOU Libo, QIU Wei, NIU Yan

表3 两种Co-20Ni-Al合金在800,900和1000 ℃下105 Pa O2中氧化20 h形成的氧化区厚度

Table 3 Thicknesses of oxidation zones of Co-20Ni-3Al and Co-20Ni-5Al alloys in 105 Pa O2 at 800, 900 and 1000 ℃ for 20 h (μm)

Alloy Oxidation zone 800 ℃ 900 ℃ 1000 ℃ Co-20Ni-3Al EOZ 47.72 383.4 795.56-1010 IOZ 5.68 10.98 56.78 Co-20Ni-5Al EOZ 24.64 79.14 263.72 IOZ 20.8 80.45 28.79-95.23