Magnetic Characterisation of In-service Process Heater Tube

机译：在用过程加热管的磁特性

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Process heater tubes of austenitic steel HP-40 grade employed in naphthacracking plant at high temperature (950 °C to 1100 °C) were found totransform from non-magnetic to magnetic in two year of its service exposure.This paper discusses the genesis of magnetism in these tubes and correlatesthe magnetic properties with microstructural properties. Further, it alsoexplores the feasibility of using magnetic technique as a suitable nondestructiveevaluation technique for damage assessment of in-servicecomponents to avoid catastrophic failure. Detailed SEM and XRD analyses wereconducted to correlate magnetic properties with microstructural degradationdue to long term service exposure.

机译：石脑油中使用的奥氏体钢HP-40级工艺加热器管发现在高温（950°C至1100°C）下的裂解设备在两年的服务期内从非磁性转变为磁性。本文讨论了这些管中的磁性的成因及其相关性。磁性能与微观结构性能。此外，它也探索使用磁技术作为合适的非破坏性技术的可行性在役损害评估的评估技术避免灾难性故障的组件。进行了详细的SEM和XRD分析进行以使磁性能与微结构降解相关由于长期的服务风险。

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《15th world conference on non-destructive testing》||p.1-4|共4页
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S.K.Das; B.Ravi Kumar; S. Palit Sagar; R.N. Ghosh; D.K. Bhattacharya; A. Mitra;
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中图分类组织检查法、非破坏性试验法;
关键词
magnetic NDT; process heater tube; carburisation; and oxidation;

机译：磁性无损检测;过程加热管;渗碳;和氧化;

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专利

1. MAGNETIC CHARACTERIZATION OF 5CR-0.5MO STEEL USED IN PROCESS HEATER TUBES [J] . Das G., Joarder A., Mohanty ON., Journal of Physics, D. Applied Physics: A Europhysics Journal . 1995,第11期

机译：过程加热器中使用的5CR-0.5MO钢的磁性表征
2. FEM comparisons between RF-ECT signals in quasi-static or transient and linear or nonlinear regimes: ECT probe speed effect for in-service inspection of magnetic SG tubes in FBR [J] . Daniel Garcia-Rodriguez, Ovidiu Mihalache, Masashi Ueda International journal of applied electromagnetics and mechanics . 2012,第1a4期

机译：准静态或瞬态以及线性或非线性状态下RF-ECT信号之间的FEM比较：ECT探头对FBR中磁性SG管的在役检查的速度影响
3. Experimental in-situ metallographic investigations of industrial hydrocarbon processed fired heater tubes (vol 116, 203, 2019) [J] . Subramanian Chidambaram Metallurgical Research & Technology . 2020,第1期

机译：实验原位金相研究工业碳氢化合物加工加热器管（Vol 116,203,2019）
4. Magnetic Characterisation of In-service Process Heater Tube [C] . S. K. Das, B. Ravi Kumar, S. Palit Sagar, World Conference on Non-Destructive Testing . 2000

机译：磁力表征在役工艺加热器管
5. Characterisation of heat transfer and pressure drop in condensation processes within mini-channel tubes with last generation of refrigerant fluids. [D] . Lopez Belchi, D. Alejandro. 2014

机译：微通道管道内冷凝过程的传热和压降特性与最后一代制冷剂流体一起表征。
6. Magnetic Vortices as Efficient Nano Heaters in Magnetic Nanoparticle Hyperthermia [O] . N. A. Usov, M. S. Nesmeyanov, V. P. Tarasov -1

机译：磁涡旋作为磁性纳米粒子热疗中的高效纳米加热器
7. Development and Field Trial of Dimpled-Tube Technology for Chemical Industry Process Heaters [O] . Chudnovsky, Yaroslav, Kozlov, Aleksandr 2006

机译：化工过程加热器凹坑管技术的发展与现场试验

Magnetic Characterisation of In-service Process Heater Tube

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