1. 毕业设计（论文）的内容和要求

本课题针对某厂服役的制氢转化炉管，通过使用光学显微镜对新旧炉管焊接接头的微观组织进行分析，并进行高温拉伸试验和蠕变试验，掌握新旧焊接接头的微观组织状态和力学性能，预测其剩余寿命。

要求学生主要完成以下工作： ①阅读文献25篇以上，其中英文5篇以上； ②英文翻译（3000字以上）：1篇； ③开题报告：1份； ④实习报告：1份； ⑤毕业论文：1篇； ⑥图纸要求：cad图纸不少于3a1。

论文要求条理清楚，文句通顺，图文并茂，层次分明。

2. 参考文献

[1] J. Swaminathan, K. Guguloth, M. Gunjan, P. Roy, R. Ghosh, Failure analysis and remaining life assessment of service exposed primary reformer heater tubes, Eng. Fail. Anal.15 (2008) 311-331. [2] J. M. Gong, S. T. Tu, K. B. Yoon, Damage assessment and maintenance strategy of hydrogen reformer furnace tubes, Eng. Fail. Anal. 6 (1999) 143-153. [3] A. Ghatak, P. S. Robi, Effect of Temperature on the Microstructure and Hardness of Service Exposed 25Cr35NiNb Reformer Tubes, Trans. Indian Ins. Metals 69 (2016) 823-827. [4] I. L. May, T. L. D. Silveira, C. H. Vianna, Criteria for the evaluation of damage and remaining life in reformer furnace tubes, Int. J. Press. Vessels Pip. 66 (1996) 233-241. [5] A. Alvino, D. Lega, F. Giacobbe, V. Mazzocchi, A. Rinaldi, Damage characterization in two reformer heater tubes after nearly 10 years of service at different operative and maintenance conditions, Eng. Fail. Anal. 17 (2010) 1526-1541. [6] G. D. D. A. Soares, L. H. D. Almeida, T.L.D. Silveira, I. L. May, Niobium additions in HP heat-resistant cast stainless steels, Mater. Charact. 29 (1992) 387-396. [7] E. A. Kenik, P. J. Maziasz, R. W. Swindeman, J. Cervenka, D. May, Structure and phase stability in a cast modified-HP austenite after long-term ageing, Scrip. Mater. 49 (2003) 117-122. [8] L. Bonaccorsi, E. Guglielmino, R. Pino, C. Servetto, A. Sili, Damage analysis in Fe-Cr-Ni centrifugally cast alloy tubes for reforming furnaces, Eng. Fail. Anal. 36 (2014) 65-74. [9] S. Shi, J.C. Lippold, Microstructure evolution during service exposure of two cast, heat-resisting stainless steels #8212; HP-Nb modified and 20-32Nb, Mater. Chara. 59 (2008) 1029-1040. [10] M Mostafaei, M Shamanian, H Purmohamad, M. Amini, A. Saatchi, Microstructural degradation of two cast heat resistant reformer tubes after long term service exposure, Eng. Fail. Anal. 18 (2011) 164-171.

3. 毕业设计（论文）进程安排

起讫日期 设计（论文）各阶段工作内容 备 注 2018-1-13 至 2018-1-27 认真地阅读本任务书，明确自己的学习任务，同时根据自己的任务，查阅中外文献 2018-2-24 至 2018-3-10 完成实习报告，查阅文献，完成文献综述以及英文原版文献的翻译工作。

撰写并完成开题报告。

2018-3-11 至 2018-3-18 根据教师意见对外文翻译和文献综述作进一步修改。