| Manurite 900钢高温制氢炉管服役后的焊接修复 |
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| 引用本文： | 穆龙,夏天东,王晓军.Manurite 900钢高温制氢炉管服役后的焊接修复[J].焊管,2009,32(9):9-13. |
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| 作者姓名： | 穆龙 夏天东 王晓军 |
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| 作者单位： | 1. 兰州理工大学,材料学院,兰州,730050
2. 兰州理工大学,甘肃省有色金属新材料省部共建国家重点实验室,兰州,730050 |
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| 基金项目： | 甘肃省教育厅科研基地重点项目 |
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| 摘 要： | 通过金相组织观察、常温力学性能、常温冲击功测试等方法,分析了Manurite 900钢高温制氢炉管长期服役后的性能变化及对焊接性的影响,通过固溶处理改善了服役炉管的性能。判定了服役制氢炉管焊接裂纹的性质,研究了服役Manurite 900钢高温制氢炉管的抗液化裂纹能力及开裂倾向。分析了液化裂纹的成因及产生机理,提出了焊接修复的工艺方法和工艺原则。
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| 关 键 词： | Manurite 900钢 服役 固溶处理 焊接裂纹 焊接性 |
The Welding Repair of Manurite 900 Steel High-temperature Hydrogen Furnace Tube After Service |
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| MU Long,XIA Tian-dong,WANG Xiao-jun.The Welding Repair of Manurite 900 Steel High-temperature Hydrogen Furnace Tube After Service[J].Welded Pipe and Tube,2009,32(9):9-13. |
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| Authors: | MU Long XIA Tian-dong WANG Xiao-jun |
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| Affiliation: | MU Long , XIA Tian-dong, WANG Xiao-jun ( 1. School of Material Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China ; 2. State Key Laboratory of Gansu Advanced Non-ferrous Metal Materials, Lanzhou University of Technology ,Lanzhou 730050, China ) |
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| Abstract: | An analysis of Manurite 900 steel high-temperature furnace tube changes in the performance and performance of change on the impact of weldability after service through the microstructure observation,the mechanical properties and impact energy performance test under normal temperature,the performance of furnace tube has been improved by solution treatment.Judge the nature of furnace tube crack,study the anti-liquefaction capacity and cracking tendency of Manurite 900 furnace tube after service.Analyze the causes and the mechanism of liquefied crack, put forward the process of welding repair methods and technologic principles. |
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| Keywords: | Manurite 900 steel service solution treatment weld crack weldability |
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