3种不同Cr含量Co-20Re-Cr合金在1000和1100 ℃的高温氧化行为

王玲,向军淮,张洪华,覃宋林

High Temperature Oxidation Behavior of Three Co-20Re-xCr Alloys in 3.04×10-5 Pa Oxygen at 1000 and 1100 ℃

Ling WANG,Junhuai XIANG,Honghua ZHANG,Songlin QIN

表1 Co-20Re-xCr (x=20，25，30) 合金的相组成及其化学成分

Table 1 Elemental compositions of two phases of Co-20Re-xCr (x=20, 25, 30) alloys (atomic fraction / %)

Alloy Co Re Cr Co-20Re-20Cr Co-rich phase 62.50 13.25 24.25 Re-rich phase 52.51 31.05 16.44 Co-20Re-25Cr Co-rich phase 58.63 16.01 25.37 Re-rich phase 36.49 37.80 25.72 Co-20Re-30Cr Co-rich phase 58.22 15.16 26.62 Re-rich phase 33.46 36.88 29.66