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Numerical simulation and experimental research on temperature and stress fields in TIG welding for plate of RAFM steel

机译：RAFM钢TIG焊温度场和应力场的数值模拟与实验研究。

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摘要

The Reduced Activation Martensitic/Ferritic steel (RAFM steel) is known as one of the most important materials for future fusion reactor blanket and the welding process is unavoidable for blanket structure, so it is extremely necessary to research his welding performance. Some simulations and experiments about welding processes of RAFM steel have been done in this paper. The multi-welding processes for medium thickness plate of RAFM steel were simulated in three-dimensional finite element models by ANSYS software. The temperature fields and stress fields from simulation were contrasted with that from experiments respectively, and the heat affected zones of welding were calculated and checked. Meanwhile, the metallic texture graphic analysis for welded zones was performed. The results from both are very similar, and the fused metal welding zones are very well without obvious defects by used 316L welding padding. The hardness on welding zone is much higher than the heat-affected zone, also base materials. All of them can provide beneficial reference for blanket design and processing of Chinese Fusion Test Reactor.
机译：减活化马氏体/铁素体钢（RAFM钢）被公认为是未来聚变反应堆橡皮布最重要的材料之一，而且对于橡皮布结构来说，焊接工艺是不可避免的，因此研究其焊接性能极为必要。本文对RAFM钢的焊接工艺进行了一些模拟和实验。用ANSYS软件在三维有限元模型中模拟了RAFM钢中厚板的多重焊接工艺。将模拟的温度场和应力场分别与实验的温度场和应力场进行了对比，计算并检查了焊接的热影响区。同时，对焊接区进行了金属织构图形分析。两者的结果非常相似，并且采用316L焊接填充的熔融金属焊接区非常好，没有明显的缺陷。焊接区的硬度远高于热影响区和基体材料。这些都可以为中国聚变试验堆的毯式设计和加工提供有益的参考。

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  • 来源
    《Fusion Engineering and Design》 |2018年第ptaa期|690-693|共4页
  • 作者

    Sumei Liu; Jinxing Sun; Fei Wei; Mingxuan Lu;

  • 作者单位

    School of Engineering, Anhui Agricultural University,Institute of Plasma Physics, Chinese Academy of Sciences;

    School of Engineering, Anhui Agricultural University;

    School of Engineering, Anhui Agricultural University;

    Institute of Plasma Physics, Chinese Academy of Sciences;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    RAFM steel; Welding; Numerical simulation; Experiment;

    机译：RAFM钢;焊接;数值模拟;实验;

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