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A NEW METHOD FOR ULTRASONIC TREATMENT ON THE MELT OF STEEL

机译：超声波处理钢水的新方法

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摘要

Ultrasonic treatment of the melt metals is a hot research topic; however, it is hard to introduce ultrasound into liquid steel because of the requirement of resistance to high temperature and erosion in the melt. In this paper, a new method, unit piece method (UPM), is proposed to introduce ultrasound into liquid steel. The metal to be treated is cast together with amplitude transformer as free end. During the experiment the transformer is placed upward and its free end is melt by induction coils. Then the amplitude transformer powered by ultrasound acts on the melt pool. The effect of ultrasound on the melt of 304 stainless steel is studied. The microstructure of the treated area is significantly modified and equi-axed grains are obtained. The effect of power of ultrasound is discussed. This method is proved to be effective.
机译：熔融金属的超声处理是一个热门的研究课题。但是，由于要求耐高温和熔体侵蚀，因此很难将超声波引入液态钢。本文提出了一种新的方法，单位件法（UPM），将超声波引入液态钢。将要处理的金属与幅度变压器一起浇铸为自由端。在实验过程中，将变压器向上放置，其自由端由感应线圈熔化。然后，由超声驱动的振幅变换器作用在熔池上。研究了超声波对304不锈钢熔体的影响。处理区域的微观结构得到了显着改善，并获得了等轴晶粒。讨论了超声功率的影响。这种方法被证明是有效的。

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  • 来源
    《Materials processing fundamentals》|2013年|125-131|共7页
  • 会议地点 Antonio TX(US)
  • 作者

    GANG NIE; JINWU KANG; YISEN HU; RUI YOU; JIYU MA; YONGYI HU; TIANYOU HUANG;

  • 作者单位

    Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;

    Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;

    Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;

    Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;

    Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;

    Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;

    Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;

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

    Ultrasound; Amplitude Transformer; unit piece method (UPM); Induction; Steel Melt; Microstructure;

    机译：超声波振幅变压器单位计分法（UPM）;感应;钢熔体微观结构;

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