超超临界发电厂P92钢的蠕变特性研究任务书

 2021-10-14 20:54:25

1. 毕业设计（论文）的内容和要求

为了减少C02气体的排放，提高设备运行效率，火力发电技术向不断提高其蒸汽温度和压力的方向发展。

目前，超超临界（USC）锅炉的温度和压力分别已超过600℃和25MPa。

本文针对在超超临界（USC）电厂中广泛应用的P92钢，通过实验研究的方法P92耐热钢材料的蠕变特性开展研究，对确保USC发电机组安全、稳定运行有着重要意义。

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2. 参考文献

[1] Bugge J, Kjaer S, Blum R. High-efficiency coal-fired power plants development and perspectives[J]. Energy, 2006,31:1437-1445. [2] 赵建仓, 迟鸣声, 李建勇, 等. P92钢及其焊接材料冷裂纹敏感性研究[J]. 电力设备, 2007,8(2):45-49. [3] 沈琦, 刘鸿国. 新型耐热钢T/P92、T/P122在超超临界机组中的应用及监督[J]. 电力建设, 2010,31(10):71-75. [4] Pesicka J, Kuzel R, Dronhofer A, et al. The evolution of dislocation density during heat treatment and creep of tempered martensite ferritic steels[J]. Acta Materialia, 2003,51:4847-4862. [5] Yoshizawa M, Igarashi M, Moriguchi K, et al. Effect of precipitates on long-term creep deformation properties of P92 and P122 type advanced ferritic steels for USC power plants[J]. Materials Science And Engineering A, 2009,510-511:162-168. [6] Lee J S, Armaki H G, Maruyama K, et al. Causes of breakdown of creep strength in 9Cr-1.8W-0.5Mo-VNb steel[J]. Materials Science and Engineering A, 2006,428:270-275. [7] Abe F. Analysis of creep rates of tempered martensitic 9%Cr steel based on microstructure evolution[J]. Materials Science and Engineering A, 2009,510-511:64-69. [8] Lee J S, Armaki H G, Maruyama K. Cause of breakdown of creep strength in 9Cr-1.8W-0.5Mo-VNb steel [J]. Materials Science and Engineering, 2006,428:270-275. [9] Sawada K, Kubo K, Abe F. Creep behavior and stability of MX precipitates at high temperature in 9Cr-0.5Mo-1.8W-VNb steel[J]. Materials science and Engineering A, 2001,319-321:784-787.[10] Vaillant J C, Vandenberghe B, Hahn B, et al. T/P23,24,911 and 92: New grades for advanced coal-fired power plantsProperties and experience[J]. Pressure Vessels and Piping, 2008,85:38-46.[11] Park K S, Fujimistu M, Takao E. Creep modeling for life evaluation of heat-resistant steel with a martensitic stucture[J]. ISIJ International, 2001,41:86-90.[12] Abe F. Evolution of microstructure and acceleration of creep rate in tempered martensitic 9Cr-W steels [J].1997,A234-236:1045-1048.[13] 戴长清, 田富强, 轩福贞. 锅炉管道用9-12%Cr钢Larson-Miller公式C参数确定[J]. 化工设备与管道, 2010,47(1):55-58.[14] 任纬丽, 郭建亭, 周继扬. 两相共晶NiAl-9Mo合金的蠕变行为[J]. 金属学报, 2002,38(9):908-913.

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