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3 K447A合金经100 h、200 h和300 h氧化后表面标记点(见图5)EDS成分分析

Table 3 EDS results of the points marked in Fig.5 for K447A supperalloy after 100, 200 and 300 h oxidation (mass fraction / %)

Point Cr Ni Ta Mo Al Ti Co W O B 1 1.46 59.13 0.54 0.01 0.57 0.27 2.61 0.19 27.43 0.00 2 5.95 20.37 1.46 0.11 30.37 0.76 5.40 0.01 29.21 0.00 3 8.49 15.53 26.15 0.10 3.40 8.00 4.15 2.05 12.84 10.26 4 2.99 78.51 0.26 0.00 0.57 0.46 4.50 0.22 11.50 0.00 5 18.56 27.10 0.90 0.07 6.17 2.54 8.57 0.19 31.03 0.00 6 1.70 30.69 0.00 1.08 0.48 0.08 2.35 37.39 5.37 19.97