某燃气轮机燃烧室合金高温蒸汽氧化行为研究

梁志远, 张超, 曲劲宇, 何建元, 郭亭山, 徐一鸣

Oxidation Behavior in Air-steam Mixed Atmosphere at 1000oC of Four Typical High-temperature Alloys for Gas Turbine

LIANG Zhiyuan, ZHANG Chao, QU Jinyu, HE Jianyuan, GUO Tingshan, XU Yiming

表2 DD5合金经100、200和300 h氧化后表面标记点(见图4)EDS成分分析结果

Table 2 EDS results of the points marked in Fig.4 for DD5 supper alloy after 100, 200 and 300 h oxidation (mass fraction / %)

Point Cr Ni Ta Mo Al Re Co W O B 1 9.07 43.40 2.53 1.92 1.45 3.15 8.04 5.07 0.10 0.00 2 2.60 13.71 2.62 0.18 22.82 0.00 2.12 0.66 34.35 0.00 3 11.35 56.57 4.47 2.30 1.66 3.60 9.68 6.63 0.13 0.00 4 7.75 15.85 3.35 0.55 29.83 0.00 3.17 1.08 35.18 0.00 5 12.00 51.74 2.45 2.49 2.50 4.99 10.34 7.06 0.00 0.00 6 0.17 1.23 31.67 0.18 8.83 0.00 0.25 9.82 44.18 0.00