- 期刊
9Cr-1Mo鋼於乳化油燃燒氣氛之氯化鈉熱腐蝕
Hot Corrosion of 9Cr-1Mo Steel with NaCl Coating in an Atmosphere Produced by Burning Emulsified Diesel Oil
並列摘要
The high-temperature corrosion of low alloy steel in a combustion furnace at 750℃ and 850℃ was studied using 9Cr-1Mo alloy with 2mg/cm^2 NaC1 coating. The atmosphere in this furnace was produced by burning ASTM 2D diesel oil or an emulsion thereof with 10% water. The experimental results indicate that both the higher temperature and the water vapor in the atmosphere promoted metal loss. The metal loss of 9Cr-1Mo alloy in the atmosphere that contained water vapor, resulting from the burning of emulsified oil, was larger than that obtained by burning just the diesel oil. Moreover, water vapor contributed to higher SO2 concentrations in the gas produced. Therefore, 9Cr-1Mo alloy suffers sulfidation more seriously in an atmosphere that contains water vapor than in one obtained by burning diesel oil; it thus deteriorates more rapidly.
延伸閱讀
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