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首页> 外文会议>XV international conference on electron microscopy >Pad welding of Inconel 625 layer on structural steel used in the power industry
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Pad welding of Inconel 625 layer on structural steel used in the power industry

机译：电力行业使用的结构钢上的Inconel 625层的堆焊

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摘要

Due to aggressive gases produced during combustion process of biomass, some elements of the power boiler should be covered with a material that possesses very high corrosion resistance (e.g. Inconel 625). This paper presents results of microstructural studies of Inconel 625 padding weld on waterwall elements (made of 13CrMo4-5 steel) for steam boiler designed for biomass combustion. The microstructural studies were carried out using Scanning- as well as Transmission Electron Microscopy methods. The padded weld layer exhibited dendritic structure. In the weld layer y phase with an increased dislocation density and stacking faults was observed. In the base material (13CrMo4-5 steel) titanium nitrides, complex carbides and Laves phase enriched in niobium were observed.
机译：由于生物质燃烧过程中产生的腐蚀性气体，动力锅炉的某些元件应使用具有极高耐腐蚀性的材料覆盖（例如Inconel 625）。本文介绍了设计用于生物质燃烧的蒸汽锅炉水冷壁元件（由13CrMo4-5钢制成）的Inconel 625填充焊缝的显微组织研究结果。显微结构研究是使用扫描电子显微镜以及透射电子显微镜方法进行的。带衬垫的焊接层表现出树枝状结构。在焊接层中，观察到y相具有较高的位错密度和堆垛层错。在母材（13CrMo4-5钢）中，观察到氮化钛，复合碳化物和富含铌的Laves相。

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  • 来源
  • 会议地点 Krakow(PL)
  • 作者

    OSUCH Władystaw; MICHTA Grzegorz; KRUK Adam;

  • 作者单位

    AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, International Centre of Electron Microscopy for Materials Science,Al. A. Mickiewicza 30, 30-059 Krak6w, Poland;

    AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, International Centre of Electron Microscopy for Materials Science,Al. A. Mickiewicza 30, 30-059 Krak6w, Poland;

    AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, International Centre of Electron Microscopy for Materials Science,Al. A. Mickiewicza 30, 30-059 Krak6w, Poland;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    pad welding; Inconel 625; 13CrMo4-5 steel; biomass combustion; power boiler; SEM; TEM;

    机译：垫焊；因科镍合金625; 13CrMo4-5钢;生物质燃烧电力锅炉；扫描电镜透射电镜;

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