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NON-DESTRUCTIVE EVALUATION OF PERSPECTIVE STEELS FOR FUSION TECHNOLOGIES

机译:融合技术透视钢的非破坏性评估

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摘要

This paper focuses on microstructure study of 9% chromium steels (T91, P91) and observation of microstructure changes with open volume defect accumulation or residual stress growth after radiation damage, which was simulated by helium ion implantation. Investigated materials were observed by non-destructive experimental techniques based on positron annihilation in the matter, positron annihilation spectroscopy and Doppler broadening spectroscopy, and magnetic properties of iron alloys, magnetic Barkhausen noise measurement. Results indicated higher radiation resistance of T91 than P91, although T91 shows higher residual stress in its microstructure before irradiation.
机译:本文重点研究了9%铬钢(T91,P91)的显微组织,并观察了通过氦离子注入模拟的,随着开孔体积缺陷累积或辐射损伤后残余应力增长而产生的显微组织变化。通过基于物质的正电子on没,正电子ni没能谱和多普勒展宽能谱以及铁合金的磁性能,巴克豪森磁噪声测量的无损实验技术,观察了所研究的材料。结果表明,T91比P91更高的抗辐射性,尽管T91在辐照前的微观结构中显示出更高的残余应力。

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  • 会议地点 Vienna(AT)
  • 作者单位

    Institute of Nuclear and Physical Engineering, Slovak University of Technology, Bratislava, Slovakia;

    Institute of Nuclear and Physical Engineering, Slovak University of Technology, Bratislava, Slovakia;

    Institute of Nuclear and Physical Engineering, Slovak University of Technology, Bratislava, Slovakia;

    Institute of Nuclear and Physical Engineering, Slovak University of Technology, Bratislava, Slovakia;

    Institute of Nuclear and Physical Engineering, Slovak University of Technology, Bratislava, Slovakia;

    Institute of Nuclear and Physical Engineering, Slovak University of Technology, Bratislava, Slovakia;

    Institute of Nuclear and Physical Engineering, Slovak University of Technology, Bratislava, Slovakia;

    Institute of Nuclear and Physical Engineering, Slovak University of Technology, Bratislava, Slovakia;

    Department of Applied Physics, Aalto University School of Science and Technology, Aalto, Finland;

    Department of Applied Physics, Aalto University School of Science and Technology, Aalto, Finland;

    Department of Physics, University of Helsinki Helsinki, Finland;

    Institute for Energy, Joint Research Centre of the European Commission, Petten, Netherlands;

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