1. 毕业设计（论文）的内容和要求
某石化公司大型蒸汽转化炉在生产过程中，突然发生多根转化炉管开裂失效事故，造成严重经济损失。
由于炉管尚未到达设计寿命，且开裂部位为该装置炉管与集气管联接的短接管焊接接头附近。
短接管联接是该装置的一种新型连接方式。
2. 参考文献
[１] Hall F R, Hayhurst D R. Modeling of grain size effects in creep crack growth using non-local continuum damage approach[J]. Philosophical transactions of the royal society A, 1992, 433(1888): 405-421.[２] Liu Y, Murakami S. Damage Localization of Conventional Creep Damage Models and Proposition of a New Model for Creep Damage Analysis[J]. JSME International Journal Series A, 1998, 41(1): 57-65.[３] Tu S T, Peter S, Gong J M. Strength design and life assessment of welded structures subjected to high temperature creep[J]. International journal of pressure vessels and piping, 1996, 66(1-3):171-186.[４] Tu S T, Sandstrom R. Numerical simulation of creep exhaustion of weldments and some design considerations[A]. Creep and fracture of engineering materials and structures[C]. Swansea, 1993, 695-704.[５] Tu S T, Peter S, Gong J M. Creep damage and fracture of weldments at high temperature[J]. International journal of pressure vessels and piping, 2004, 81(2): 199-209.[６] Gong J M, Tu S T, Yoon K B. Damage assessment and maintenance strategy of hydrogen reformer furnace tubes[J]. Engineering failure analysis, 1999, 6(3): 143-153.[７] 巩建鸣, 涂善东, 凌祥等. 基于蠕变损伤力学理论的HK40炉管焊接接头的蠕变损伤研究[J]. 压力容器, 2000, 117(4): 11-15.[８] Gong J M, Tu S T, Ling X. Research of welding effect on creep damage of high temperature furnace tubes[J]. Key Engineering Materials, 2000, 171-174: 189-196.[９] 陈建钧. 连续损伤力学有限元法在高温构件设计和焊接修复中的应用[D]. 南京: 南京工业大学, 2003.[１０] 鲍俊涛. SS管线的损伤分析及高温实效评定[D]. 南京: 南京工业大学, 2006.[１１] 鲍俊涛，巩建鸣，姜勇等. 高温主蒸汽管线应力应变的有限元分析及其优化[J]. 中国电机工程学报, 2006, 26(11): 29-33.[１２] 牛小驰. 高温主蒸汽管道损伤及寿命评估方法研究[D]. 南京: 南京工业大学, 2006.[１３]牛小驰，巩建鸣，姜勇等. 基于损伤力学的电厂主蒸汽管道蠕变损伤有限元分析[J]. 中国电机工程学报, 2008, 28(20): 32-37.[１４] Monobe L S, Schn C G. Microstructural and fractographic investigation of a centrifugally cast 20Cr32Ni Nb alloy tube in the as cast and aged states[J]. Journal of Materials Research and Technology, 2013, 2(2): 195-201.
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